diff options
Diffstat (limited to 'drivers')
251 files changed, 6138 insertions, 1714 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 119d58d..0300bf6 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -181,6 +181,12 @@ config ACPI_DOCK This driver supports ACPI-controlled docking stations and removable drive bays such as the IBM Ultrabay and the Dell Module Bay. +config ACPI_I2C + def_tristate I2C + depends on I2C + help + ACPI I2C enumeration support. + config ACPI_PROCESSOR tristate "Processor" select THERMAL diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 82422fe..2a4502b 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -21,9 +21,10 @@ obj-y += acpi.o \ acpi-y += osl.o utils.o reboot.o acpi-y += nvs.o -# sleep related files +# Power management related files acpi-y += wakeup.o acpi-y += sleep.o +acpi-$(CONFIG_PM) += device_pm.o acpi-$(CONFIG_ACPI_SLEEP) += proc.o @@ -32,10 +33,12 @@ acpi-$(CONFIG_ACPI_SLEEP) += proc.o # acpi-y += bus.o glue.o acpi-y += scan.o +acpi-y += resource.o acpi-y += processor_core.o acpi-y += ec.o acpi-$(CONFIG_ACPI_DOCK) += dock.o acpi-y += pci_root.o pci_link.o pci_irq.o pci_bind.o +acpi-y += acpi_platform.o acpi-y += power.o acpi-y += event.o acpi-y += sysfs.o @@ -67,6 +70,7 @@ obj-$(CONFIG_ACPI_HED) += hed.o obj-$(CONFIG_ACPI_EC_DEBUGFS) += ec_sys.o obj-$(CONFIG_ACPI_CUSTOM_METHOD)+= custom_method.o obj-$(CONFIG_ACPI_BGRT) += bgrt.o +obj-$(CONFIG_ACPI_I2C) += acpi_i2c.o # processor has its own "processor." module_param namespace processor-y := processor_driver.o processor_throttling.o diff --git a/drivers/acpi/acpi_i2c.c b/drivers/acpi/acpi_i2c.c new file mode 100644 index 0000000..82045e3 --- /dev/null +++ b/drivers/acpi/acpi_i2c.c @@ -0,0 +1,103 @@ +/* + * ACPI I2C enumeration support + * + * Copyright (C) 2012, Intel Corporation + * Author: Mika Westerberg <mika.westerberg@linux.intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/acpi.h> +#include <linux/device.h> +#include <linux/export.h> +#include <linux/i2c.h> +#include <linux/ioport.h> + +ACPI_MODULE_NAME("i2c"); + +static int acpi_i2c_add_resource(struct acpi_resource *ares, void *data) +{ + struct i2c_board_info *info = data; + + if (ares->type == ACPI_RESOURCE_TYPE_SERIAL_BUS) { + struct acpi_resource_i2c_serialbus *sb; + + sb = &ares->data.i2c_serial_bus; + if (sb->type == ACPI_RESOURCE_SERIAL_TYPE_I2C) { + info->addr = sb->slave_address; + if (sb->access_mode == ACPI_I2C_10BIT_MODE) + info->flags |= I2C_CLIENT_TEN; + } + } else if (info->irq < 0) { + struct resource r; + + if (acpi_dev_resource_interrupt(ares, 0, &r)) + info->irq = r.start; + } + + /* Tell the ACPI core to skip this resource */ + return 1; +} + +static acpi_status acpi_i2c_add_device(acpi_handle handle, u32 level, + void *data, void **return_value) +{ + struct i2c_adapter *adapter = data; + struct list_head resource_list; + struct i2c_board_info info; + struct acpi_device *adev; + int ret; + + if (acpi_bus_get_device(handle, &adev)) + return AE_OK; + if (acpi_bus_get_status(adev) || !adev->status.present) + return AE_OK; + + memset(&info, 0, sizeof(info)); + info.acpi_node.handle = handle; + info.irq = -1; + + INIT_LIST_HEAD(&resource_list); + ret = acpi_dev_get_resources(adev, &resource_list, + acpi_i2c_add_resource, &info); + acpi_dev_free_resource_list(&resource_list); + + if (ret < 0 || !info.addr) + return AE_OK; + + strlcpy(info.type, dev_name(&adev->dev), sizeof(info.type)); + if (!i2c_new_device(adapter, &info)) { + dev_err(&adapter->dev, + "failed to add I2C device %s from ACPI\n", + dev_name(&adev->dev)); + } + + return AE_OK; +} + +/** + * acpi_i2c_register_devices - enumerate I2C slave devices behind adapter + * @adapter: pointer to adapter + * + * Enumerate all I2C slave devices behind this adapter by walking the ACPI + * namespace. When a device is found it will be added to the Linux device + * model and bound to the corresponding ACPI handle. + */ +void acpi_i2c_register_devices(struct i2c_adapter *adapter) +{ + acpi_handle handle; + acpi_status status; + + handle = ACPI_HANDLE(&adapter->dev); + if (!handle) + return; + + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, 1, + acpi_i2c_add_device, NULL, + adapter, NULL); + if (ACPI_FAILURE(status)) + dev_warn(&adapter->dev, "failed to enumerate I2C slaves\n"); +} +EXPORT_SYMBOL_GPL(acpi_i2c_register_devices); diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c new file mode 100644 index 0000000..db129b9 --- /dev/null +++ b/drivers/acpi/acpi_platform.c @@ -0,0 +1,104 @@ +/* + * ACPI support for platform bus type. + * + * Copyright (C) 2012, Intel Corporation + * Authors: Mika Westerberg <mika.westerberg@linux.intel.com> + * Mathias Nyman <mathias.nyman@linux.intel.com> + * Rafael J. Wysocki <rafael.j.wysocki@intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/acpi.h> +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include "internal.h" + +ACPI_MODULE_NAME("platform"); + +/** + * acpi_create_platform_device - Create platform device for ACPI device node + * @adev: ACPI device node to create a platform device for. + * + * Check if the given @adev can be represented as a platform device and, if + * that's the case, create and register a platform device, populate its common + * resources and returns a pointer to it. Otherwise, return %NULL. + * + * The platform device's name will be taken from the @adev's _HID and _UID. + */ +struct platform_device *acpi_create_platform_device(struct acpi_device *adev) +{ + struct platform_device *pdev = NULL; + struct acpi_device *acpi_parent; + struct platform_device_info pdevinfo; + struct resource_list_entry *rentry; + struct list_head resource_list; + struct resource *resources; + int count; + + /* If the ACPI node already has a physical device attached, skip it. */ + if (adev->physical_node_count) + return NULL; + + INIT_LIST_HEAD(&resource_list); + count = acpi_dev_get_resources(adev, &resource_list, NULL, NULL); + if (count <= 0) + return NULL; + + resources = kmalloc(count * sizeof(struct resource), GFP_KERNEL); + if (!resources) { + dev_err(&adev->dev, "No memory for resources\n"); + acpi_dev_free_resource_list(&resource_list); + return NULL; + } + count = 0; + list_for_each_entry(rentry, &resource_list, node) + resources[count++] = rentry->res; + + acpi_dev_free_resource_list(&resource_list); + + memset(&pdevinfo, 0, sizeof(pdevinfo)); + /* + * If the ACPI node has a parent and that parent has a physical device + * attached to it, that physical device should be the parent of the + * platform device we are about to create. + */ + pdevinfo.parent = NULL; + acpi_parent = adev->parent; + if (acpi_parent) { + struct acpi_device_physical_node *entry; + struct list_head *list; + + mutex_lock(&acpi_parent->physical_node_lock); + list = &acpi_parent->physical_node_list; + if (!list_empty(list)) { + entry = list_first_entry(list, + struct acpi_device_physical_node, + node); + pdevinfo.parent = entry->dev; + } + mutex_unlock(&acpi_parent->physical_node_lock); + } + pdevinfo.name = dev_name(&adev->dev); + pdevinfo.id = -1; + pdevinfo.res = resources; + pdevinfo.num_res = count; + pdevinfo.acpi_node.handle = adev->handle; + pdev = platform_device_register_full(&pdevinfo); + if (IS_ERR(pdev)) { + dev_err(&adev->dev, "platform device creation failed: %ld\n", + PTR_ERR(pdev)); + pdev = NULL; + } else { + dev_dbg(&adev->dev, "created platform device %s\n", + dev_name(&pdev->dev)); + } + + kfree(resources); + return pdev; +} diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index 7f1d407..c8bc24b 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -161,3 +161,6 @@ acpi-y += \ utxfinit.o \ utxferror.o \ utxfmutex.o + +acpi-$(ACPI_FUTURE_USAGE) += uttrack.o utcache.o utclib.o + diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h index 5e8abb0..432a318 100644 --- a/drivers/acpi/acpica/acdebug.h +++ b/drivers/acpi/acpica/acdebug.h @@ -44,17 +44,28 @@ #ifndef __ACDEBUG_H__ #define __ACDEBUG_H__ -#define ACPI_DEBUG_BUFFER_SIZE 4196 +#define ACPI_DEBUG_BUFFER_SIZE 0x4000 /* 16K buffer for return objects */ -struct command_info { +struct acpi_db_command_info { char *name; /* Command Name */ u8 min_args; /* Minimum arguments required */ }; -struct argument_info { +struct acpi_db_command_help { + u8 line_count; /* Number of help lines */ + char *invocation; /* Command Invocation */ + char *description; /* Command Description */ +}; + +struct acpi_db_argument_info { char *name; /* Argument Name */ }; +struct acpi_db_execute_walk { + u32 count; + u32 max_count; +}; + #define PARAM_LIST(pl) pl #define DBTEST_OUTPUT_LEVEL(lvl) if (acpi_gbl_db_opt_verbose) #define VERBOSE_PRINT(fp) DBTEST_OUTPUT_LEVEL(lvl) {\ @@ -77,59 +88,71 @@ acpi_db_single_step(struct acpi_walk_state *walk_state, /* * dbcmds - debug commands and output routines */ -acpi_status acpi_db_disassemble_method(char *name); +struct acpi_namespace_node *acpi_db_convert_to_node(char *in_string); void acpi_db_display_table_info(char *table_arg); -void acpi_db_unload_acpi_table(char *table_arg, char *instance_arg); +void acpi_db_display_template(char *buffer_arg); -void -acpi_db_set_method_breakpoint(char *location, - struct acpi_walk_state *walk_state, - union acpi_parse_object *op); +void acpi_db_unload_acpi_table(char *name); -void acpi_db_set_method_call_breakpoint(union acpi_parse_object *op); +void acpi_db_send_notify(char *name, u32 value); -void acpi_db_get_bus_info(void); +void acpi_db_display_interfaces(char *action_arg, char *interface_name_arg); -void acpi_db_disassemble_aml(char *statements, union acpi_parse_object *op); +acpi_status acpi_db_sleep(char *object_arg); -void acpi_db_dump_namespace(char *start_arg, char *depth_arg); +void acpi_db_display_locks(void); -void acpi_db_dump_namespace_by_owner(char *owner_arg, char *depth_arg); +void acpi_db_display_resources(char *object_arg); -void acpi_db_send_notify(char *name, u32 value); +ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_db_display_gpes(void)) + +void acpi_db_display_handlers(void); + +ACPI_HW_DEPENDENT_RETURN_VOID(void + acpi_db_generate_gpe(char *gpe_arg, + char *block_arg)) + +/* + * dbmethod - control method commands + */ +void +acpi_db_set_method_breakpoint(char *location, + struct acpi_walk_state *walk_state, + union acpi_parse_object *op); + +void acpi_db_set_method_call_breakpoint(union acpi_parse_object *op); void acpi_db_set_method_data(char *type_arg, char *index_arg, char *value_arg); -acpi_status -acpi_db_display_objects(char *obj_type_arg, char *display_count_arg); +acpi_status acpi_db_disassemble_method(char *name); -void acpi_db_display_interfaces(char *action_arg, char *interface_name_arg); +void acpi_db_disassemble_aml(char *statements, union acpi_parse_object *op); -acpi_status acpi_db_find_name_in_namespace(char *name_arg); +void acpi_db_batch_execute(char *count_arg); +/* + * dbnames - namespace commands + */ void acpi_db_set_scope(char *name); -ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_db_sleep(char *object_arg)) +void acpi_db_dump_namespace(char *start_arg, char *depth_arg); -void acpi_db_find_references(char *object_arg); +void acpi_db_dump_namespace_by_owner(char *owner_arg, char *depth_arg); -void acpi_db_display_locks(void); +acpi_status acpi_db_find_name_in_namespace(char *name_arg); -void acpi_db_display_resources(char *object_arg); +void acpi_db_check_predefined_names(void); -ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_db_display_gpes(void)) +acpi_status +acpi_db_display_objects(char *obj_type_arg, char *display_count_arg); void acpi_db_check_integrity(void); -ACPI_HW_DEPENDENT_RETURN_VOID(void - acpi_db_generate_gpe(char *gpe_arg, - char *block_arg)) - -void acpi_db_check_predefined_names(void); +void acpi_db_find_references(char *object_arg); -void acpi_db_batch_execute(void); +void acpi_db_get_bus_info(void); /* * dbdisply - debug display commands @@ -161,7 +184,8 @@ acpi_db_display_argument_object(union acpi_operand_object *obj_desc, /* * dbexec - debugger control method execution */ -void acpi_db_execute(char *name, char **args, u32 flags); +void +acpi_db_execute(char *name, char **args, acpi_object_type * types, u32 flags); void acpi_db_create_execution_threads(char *num_threads_arg, @@ -175,7 +199,8 @@ u32 acpi_db_get_cache_info(struct acpi_memory_list *cache); * dbfileio - Debugger file I/O commands */ acpi_object_type -acpi_db_match_argument(char *user_argument, struct argument_info *arguments); +acpi_db_match_argument(char *user_argument, + struct acpi_db_argument_info *arguments); void acpi_db_close_debug_file(void); @@ -208,6 +233,11 @@ acpi_db_command_dispatch(char *input_buffer, void ACPI_SYSTEM_XFACE acpi_db_execute_thread(void *context); +acpi_status acpi_db_user_commands(char prompt, union acpi_parse_object *op); + +char *acpi_db_get_next_token(char *string, + char **next, acpi_object_type * return_type); + /* * dbstats - Generation and display of ACPI table statistics */ diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h index 5935ba6..ed33ebc 100644 --- a/drivers/acpi/acpica/acdispat.h +++ b/drivers/acpi/acpica/acdispat.h @@ -309,10 +309,13 @@ acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state); acpi_status acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state); -struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object - *origin, union acpi_operand_object - *mth_desc, struct acpi_thread_state - *thread); +struct acpi_walk_state * acpi_ds_create_walk_state(acpi_owner_id owner_id, + union acpi_parse_object + *origin, + union acpi_operand_object + *mth_desc, + struct acpi_thread_state + *thread); acpi_status acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state, diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index c0a43b3..e975c67 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -84,9 +84,11 @@ acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info); acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info); -acpi_status acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info); +acpi_status +acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info); -acpi_status acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info); +acpi_status +acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info); struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device, u32 gpe_number); diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index ce79100..64472e4 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -70,7 +70,7 @@ /* * Enable "slack" in the AML interpreter? Default is FALSE, and the - * interpreter strictly follows the ACPI specification. Setting to TRUE + * interpreter strictly follows the ACPI specification. Setting to TRUE * allows the interpreter to ignore certain errors and/or bad AML constructs. * * Currently, these features are enabled by this flag: @@ -155,26 +155,6 @@ ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_no_resource_disassembly, FALSE); /***************************************************************************** * - * Debug support - * - ****************************************************************************/ - -/* Procedure nesting level for debug output */ - -extern u32 acpi_gbl_nesting_level; - -ACPI_EXTERN u32 acpi_gpe_count; -ACPI_EXTERN u32 acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]; - -/* Support for dynamic control method tracing mechanism */ - -ACPI_EXTERN u32 acpi_gbl_original_dbg_level; -ACPI_EXTERN u32 acpi_gbl_original_dbg_layer; -ACPI_EXTERN u32 acpi_gbl_trace_dbg_level; -ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer; - -/***************************************************************************** - * * ACPI Table globals * ****************************************************************************/ @@ -259,15 +239,6 @@ ACPI_EXTERN acpi_spinlock acpi_gbl_hardware_lock; /* For ACPI H/W except GPE reg * ****************************************************************************/ -#ifdef ACPI_DBG_TRACK_ALLOCATIONS - -/* Lists for tracking memory allocations */ - -ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list; -ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list; -ACPI_EXTERN u8 acpi_gbl_display_final_mem_stats; -#endif - /* Object caches */ ACPI_EXTERN acpi_cache_t *acpi_gbl_namespace_cache; @@ -326,6 +297,15 @@ extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS]; #endif +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + +/* Lists for tracking memory allocations */ + +ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list; +ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list; +ACPI_EXTERN u8 acpi_gbl_display_final_mem_stats; +#endif + /***************************************************************************** * * Namespace globals @@ -396,13 +376,35 @@ ACPI_EXTERN struct acpi_gpe_block_info #if (!ACPI_REDUCED_HARDWARE) ACPI_EXTERN u8 acpi_gbl_all_gpes_initialized; -ACPI_EXTERN ACPI_GBL_EVENT_HANDLER acpi_gbl_global_event_handler; +ACPI_EXTERN acpi_gbl_event_handler acpi_gbl_global_event_handler; ACPI_EXTERN void *acpi_gbl_global_event_handler_context; #endif /* !ACPI_REDUCED_HARDWARE */ /***************************************************************************** * + * Debug support + * + ****************************************************************************/ + +/* Procedure nesting level for debug output */ + +extern u32 acpi_gbl_nesting_level; + +/* Event counters */ + +ACPI_EXTERN u32 acpi_gpe_count; +ACPI_EXTERN u32 acpi_fixed_event_count[ACPI_NUM_FIXED_EVENTS]; + +/* Support for dynamic control method tracing mechanism */ + +ACPI_EXTERN u32 acpi_gbl_original_dbg_level; +ACPI_EXTERN u32 acpi_gbl_original_dbg_layer; +ACPI_EXTERN u32 acpi_gbl_trace_dbg_level; +ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer; + +/***************************************************************************** + * * Debugger globals * ****************************************************************************/ @@ -426,10 +428,11 @@ ACPI_EXTERN u8 acpi_gbl_db_opt_stats; ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods; ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS]; -ACPI_EXTERN char acpi_gbl_db_line_buf[80]; -ACPI_EXTERN char acpi_gbl_db_parsed_buf[80]; -ACPI_EXTERN char acpi_gbl_db_scope_buf[40]; -ACPI_EXTERN char acpi_gbl_db_debug_filename[40]; +ACPI_EXTERN acpi_object_type acpi_gbl_db_arg_types[ACPI_DEBUGGER_MAX_ARGS]; +ACPI_EXTERN char acpi_gbl_db_line_buf[ACPI_DB_LINE_BUFFER_SIZE]; +ACPI_EXTERN char acpi_gbl_db_parsed_buf[ACPI_DB_LINE_BUFFER_SIZE]; +ACPI_EXTERN char acpi_gbl_db_scope_buf[80]; +ACPI_EXTERN char acpi_gbl_db_debug_filename[80]; ACPI_EXTERN u8 acpi_gbl_db_output_to_file; ACPI_EXTERN char *acpi_gbl_db_buffer; ACPI_EXTERN char *acpi_gbl_db_filename; diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index c816ee6..ff8bd00 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -262,10 +262,10 @@ struct acpi_create_field_info { }; typedef -acpi_status(*ACPI_INTERNAL_METHOD) (struct acpi_walk_state * walk_state); +acpi_status(*acpi_internal_method) (struct acpi_walk_state * walk_state); /* - * Bitmapped ACPI types. Used internally only + * Bitmapped ACPI types. Used internally only */ #define ACPI_BTYPE_ANY 0x00000000 #define ACPI_BTYPE_INTEGER 0x00000001 @@ -486,8 +486,10 @@ struct acpi_gpe_device_info { struct acpi_namespace_node *gpe_device; }; -typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info *gpe_xrupt_info, - struct acpi_gpe_block_info *gpe_block, void *context); +typedef acpi_status(*acpi_gpe_callback) (struct acpi_gpe_xrupt_info * + gpe_xrupt_info, + struct acpi_gpe_block_info *gpe_block, + void *context); /* Information about each particular fixed event */ @@ -582,7 +584,7 @@ struct acpi_pscope_state { }; /* - * Thread state - one per thread across multiple walk states. Multiple walk + * Thread state - one per thread across multiple walk states. Multiple walk * states are created when there are nested control methods executing. */ struct acpi_thread_state { @@ -645,7 +647,7 @@ union acpi_generic_state { * ****************************************************************************/ -typedef acpi_status(*ACPI_EXECUTE_OP) (struct acpi_walk_state * walk_state); +typedef acpi_status(*acpi_execute_op) (struct acpi_walk_state * walk_state); /* Address Range info block */ @@ -1031,6 +1033,7 @@ struct acpi_db_method_info { acpi_handle method; acpi_handle main_thread_gate; acpi_handle thread_complete_gate; + acpi_handle info_gate; acpi_thread_id *threads; u32 num_threads; u32 num_created; @@ -1041,6 +1044,7 @@ struct acpi_db_method_info { u32 num_loops; char pathname[128]; char **args; + acpi_object_type *types; /* * Arguments to be passed to method for the command diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index a7f68c4..5efad99 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -84,29 +84,29 @@ /* These macros reverse the bytes during the move, converting little-endian to big endian */ - /* Big Endian <== Little Endian */ - /* Hi...Lo Lo...Hi */ + /* Big Endian <== Little Endian */ + /* Hi...Lo Lo...Hi */ /* 16-bit source, 16/32/64 destination */ #define ACPI_MOVE_16_TO_16(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[1];\ - (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];} + (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[0];} #define ACPI_MOVE_16_TO_32(d, s) {(*(u32 *)(void *)(d))=0;\ - ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\ - ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];} + ((u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\ + ((u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];} #define ACPI_MOVE_16_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\ - ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\ - ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];} + ((u8 *)(void *)(d))[6] = ((u8 *)(void *)(s))[1];\ + ((u8 *)(void *)(d))[7] = ((u8 *)(void *)(s))[0];} /* 32-bit source, 16/32/64 destination */ #define ACPI_MOVE_32_TO_16(d, s) ACPI_MOVE_16_TO_16(d, s) /* Truncate to 16 */ #define ACPI_MOVE_32_TO_32(d, s) {(( u8 *)(void *)(d))[0] = ((u8 *)(void *)(s))[3];\ - (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\ - (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\ - (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];} + (( u8 *)(void *)(d))[1] = ((u8 *)(void *)(s))[2];\ + (( u8 *)(void *)(d))[2] = ((u8 *)(void *)(s))[1];\ + (( u8 *)(void *)(d))[3] = ((u8 *)(void *)(s))[0];} #define ACPI_MOVE_32_TO_64(d, s) {(*(u64 *)(void *)(d))=0;\ ((u8 *)(void *)(d))[4] = ((u8 *)(void *)(s))[3];\ @@ -196,24 +196,12 @@ #endif #endif -/* Macros based on machine integer width */ - -#if ACPI_MACHINE_WIDTH == 32 -#define ACPI_MOVE_SIZE_TO_16(d, s) ACPI_MOVE_32_TO_16(d, s) - -#elif ACPI_MACHINE_WIDTH == 64 -#define ACPI_MOVE_SIZE_TO_16(d, s) ACPI_MOVE_64_TO_16(d, s) - -#else -#error unknown ACPI_MACHINE_WIDTH -#endif - /* * Fast power-of-two math macros for non-optimized compilers */ -#define _ACPI_DIV(value, power_of2) ((u32) ((value) >> (power_of2))) -#define _ACPI_MUL(value, power_of2) ((u32) ((value) << (power_of2))) -#define _ACPI_MOD(value, divisor) ((u32) ((value) & ((divisor) -1))) +#define _ACPI_DIV(value, power_of2) ((u32) ((value) >> (power_of2))) +#define _ACPI_MUL(value, power_of2) ((u32) ((value) << (power_of2))) +#define _ACPI_MOD(value, divisor) ((u32) ((value) & ((divisor) -1))) #define ACPI_DIV_2(a) _ACPI_DIV(a, 1) #define ACPI_MUL_2(a) _ACPI_MUL(a, 1) @@ -238,12 +226,12 @@ /* * Rounding macros (Power of two boundaries only) */ -#define ACPI_ROUND_DOWN(value, boundary) (((acpi_size)(value)) & \ - (~(((acpi_size) boundary)-1))) +#define ACPI_ROUND_DOWN(value, boundary) (((acpi_size)(value)) & \ + (~(((acpi_size) boundary)-1))) -#define ACPI_ROUND_UP(value, boundary) ((((acpi_size)(value)) + \ - (((acpi_size) boundary)-1)) & \ - (~(((acpi_size) boundary)-1))) +#define ACPI_ROUND_UP(value, boundary) ((((acpi_size)(value)) + \ + (((acpi_size) boundary)-1)) & \ + (~(((acpi_size) boundary)-1))) /* Note: sizeof(acpi_size) evaluates to either 4 or 8 (32- vs 64-bit mode) */ @@ -264,7 +252,7 @@ #define ACPI_ROUND_UP_TO(value, boundary) (((value) + ((boundary)-1)) / (boundary)) -#define ACPI_IS_MISALIGNED(value) (((acpi_size) value) & (sizeof(acpi_size)-1)) +#define ACPI_IS_MISALIGNED(value) (((acpi_size) value) & (sizeof(acpi_size)-1)) /* * Bitmask creation @@ -355,7 +343,6 @@ * Ascii error messages can be configured out */ #ifndef ACPI_NO_ERROR_MESSAGES - /* * Error reporting. Callers module and line number are inserted by AE_INFO, * the plist contains a set of parens to allow variable-length lists. @@ -375,18 +362,15 @@ #define ACPI_WARN_PREDEFINED(plist) #define ACPI_INFO_PREDEFINED(plist) -#endif /* ACPI_NO_ERROR_MESSAGES */ +#endif /* ACPI_NO_ERROR_MESSAGES */ /* * Debug macros that are conditionally compiled */ #ifdef ACPI_DEBUG_OUTPUT - /* * Function entry tracing */ -#ifdef CONFIG_ACPI_DEBUG_FUNC_TRACE - #define ACPI_FUNCTION_TRACE(a) ACPI_FUNCTION_NAME(a) \ acpi_ut_trace(ACPI_DEBUG_PARAMETERS) #define ACPI_FUNCTION_TRACE_PTR(a, b) ACPI_FUNCTION_NAME(a) \ @@ -464,45 +448,19 @@ #endif /* ACPI_SIMPLE_RETURN_MACROS */ -#else /* !CONFIG_ACPI_DEBUG_FUNC_TRACE */ - -#define ACPI_FUNCTION_TRACE(a) -#define ACPI_FUNCTION_TRACE_PTR(a,b) -#define ACPI_FUNCTION_TRACE_U32(a,b) -#define ACPI_FUNCTION_TRACE_STR(a,b) -#define ACPI_FUNCTION_EXIT -#define ACPI_FUNCTION_STATUS_EXIT(s) -#define ACPI_FUNCTION_VALUE_EXIT(s) -#define ACPI_FUNCTION_TRACE(a) -#define ACPI_FUNCTION_ENTRY() - -#define return_VOID return -#define return_ACPI_STATUS(s) return(s) -#define return_VALUE(s) return(s) -#define return_UINT8(s) return(s) -#define return_UINT32(s) return(s) -#define return_PTR(s) return(s) - -#endif /* CONFIG_ACPI_DEBUG_FUNC_TRACE */ - /* Conditional execution */ #define ACPI_DEBUG_EXEC(a) a -#define ACPI_NORMAL_EXEC(a) - -#define ACPI_DEBUG_DEFINE(a) a; #define ACPI_DEBUG_ONLY_MEMBERS(a) a; #define _VERBOSE_STRUCTURES -/* Stack and buffer dumping */ +/* Various object display routines for debug */ #define ACPI_DUMP_STACK_ENTRY(a) acpi_ex_dump_operand((a), 0) -#define ACPI_DUMP_OPERANDS(a, b, c) acpi_ex_dump_operands(a, b, c) - +#define ACPI_DUMP_OPERANDS(a, b ,c) acpi_ex_dump_operands(a, b, c) #define ACPI_DUMP_ENTRY(a, b) acpi_ns_dump_entry (a, b) #define ACPI_DUMP_PATHNAME(a, b, c, d) acpi_ns_dump_pathname(a, b, c, d) -#define ACPI_DUMP_RESOURCE_LIST(a) acpi_rs_dump_resource_list(a) -#define ACPI_DUMP_BUFFER(a, b) acpi_ut_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT) +#define ACPI_DUMP_BUFFER(a, b) acpi_ut_debug_dump_buffer((u8 *) a, b, DB_BYTE_DISPLAY, _COMPONENT) #else /* @@ -510,25 +468,23 @@ * leaving no executable debug code! */ #define ACPI_DEBUG_EXEC(a) -#define ACPI_NORMAL_EXEC(a) a; - -#define ACPI_DEBUG_DEFINE(a) do { } while(0) -#define ACPI_DEBUG_ONLY_MEMBERS(a) do { } while(0) -#define ACPI_FUNCTION_TRACE(a) do { } while(0) -#define ACPI_FUNCTION_TRACE_PTR(a, b) do { } while(0) -#define ACPI_FUNCTION_TRACE_U32(a, b) do { } while(0) -#define ACPI_FUNCTION_TRACE_STR(a, b) do { } while(0) -#define ACPI_FUNCTION_EXIT do { } while(0) -#define ACPI_FUNCTION_STATUS_EXIT(s) do { } while(0) -#define ACPI_FUNCTION_VALUE_EXIT(s) do { } while(0) -#define ACPI_FUNCTION_ENTRY() do { } while(0) -#define ACPI_DUMP_STACK_ENTRY(a) do { } while(0) -#define ACPI_DUMP_OPERANDS(a, b, c) do { } while(0) -#define ACPI_DUMP_ENTRY(a, b) do { } while(0) -#define ACPI_DUMP_TABLES(a, b) do { } while(0) -#define ACPI_DUMP_PATHNAME(a, b, c, d) do { } while(0) -#define ACPI_DUMP_RESOURCE_LIST(a) do { } while(0) -#define ACPI_DUMP_BUFFER(a, b) do { } while(0) +#define ACPI_DEBUG_ONLY_MEMBERS(a) +#define ACPI_FUNCTION_TRACE(a) +#define ACPI_FUNCTION_TRACE_PTR(a, b) +#define ACPI_FUNCTION_TRACE_U32(a, b) +#define ACPI_FUNCTION_TRACE_STR(a, b) +#define ACPI_FUNCTION_EXIT +#define ACPI_FUNCTION_STATUS_EXIT(s) +#define ACPI_FUNCTION_VALUE_EXIT(s) +#define ACPI_FUNCTION_ENTRY() +#define ACPI_DUMP_STACK_ENTRY(a) +#define ACPI_DUMP_OPERANDS(a, b, c) +#define ACPI_DUMP_ENTRY(a, b) +#define ACPI_DUMP_TABLES(a, b) +#define ACPI_DUMP_PATHNAME(a, b, c, d) +#define ACPI_DUMP_BUFFER(a, b) +#define ACPI_DEBUG_PRINT(pl) +#define ACPI_DEBUG_PRINT_RAW(pl) #define return_VOID return #define return_ACPI_STATUS(s) return(s) @@ -556,18 +512,6 @@ #define ACPI_DEBUGGER_EXEC(a) #endif -#ifdef ACPI_DEBUG_OUTPUT -/* - * 1) Set name to blanks - * 2) Copy the object name - */ -#define ACPI_ADD_OBJECT_NAME(a,b) ACPI_MEMSET (a->common.name, ' ', sizeof (a->common.name));\ - ACPI_STRNCPY (a->common.name, acpi_gbl_ns_type_names[b], sizeof (a->common.name)) -#else - -#define ACPI_ADD_OBJECT_NAME(a,b) -#endif - /* * Memory allocation tracking (DEBUG ONLY) */ @@ -578,13 +522,13 @@ /* Memory allocation */ #ifndef ACPI_ALLOCATE -#define ACPI_ALLOCATE(a) acpi_ut_allocate((acpi_size)(a), ACPI_MEM_PARAMETERS) +#define ACPI_ALLOCATE(a) acpi_ut_allocate((acpi_size) (a), ACPI_MEM_PARAMETERS) #endif #ifndef ACPI_ALLOCATE_ZEROED -#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed((acpi_size)(a), ACPI_MEM_PARAMETERS) +#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed((acpi_size) (a), ACPI_MEM_PARAMETERS) #endif #ifndef ACPI_FREE -#define ACPI_FREE(a) acpio_os_free(a) +#define ACPI_FREE(a) acpi_os_free(a) #endif #define ACPI_MEM_TRACKING(a) @@ -592,16 +536,25 @@ /* Memory allocation */ -#define ACPI_ALLOCATE(a) acpi_ut_allocate_and_track((acpi_size)(a), ACPI_MEM_PARAMETERS) -#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed_and_track((acpi_size)(a), ACPI_MEM_PARAMETERS) +#define ACPI_ALLOCATE(a) acpi_ut_allocate_and_track((acpi_size) (a), ACPI_MEM_PARAMETERS) +#define ACPI_ALLOCATE_ZEROED(a) acpi_ut_allocate_zeroed_and_track((acpi_size) (a), ACPI_MEM_PARAMETERS) #define ACPI_FREE(a) acpi_ut_free_and_track(a, ACPI_MEM_PARAMETERS) #define ACPI_MEM_TRACKING(a) a #endif /* ACPI_DBG_TRACK_ALLOCATIONS */ -/* Preemption point */ -#ifndef ACPI_PREEMPTION_POINT -#define ACPI_PREEMPTION_POINT() /* no preemption */ -#endif +/* + * Macros used for ACPICA utilities only + */ + +/* Generate a UUID */ + +#define ACPI_INIT_UUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ + (a) & 0xFF, ((a) >> 8) & 0xFF, ((a) >> 16) & 0xFF, ((a) >> 24) & 0xFF, \ + (b) & 0xFF, ((b) >> 8) & 0xFF, \ + (c) & 0xFF, ((c) >> 8) & 0xFF, \ + (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) + +#define ACPI_IS_OCTAL_DIGIT(d) (((char)(d) >= '0') && ((char)(d) <= '7')) #endif /* ACMACROS_H */ diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h index 364a130..24eb9ea 100644 --- a/drivers/acpi/acpica/acobject.h +++ b/drivers/acpi/acpica/acobject.h @@ -1,4 +1,3 @@ - /****************************************************************************** * * Name: acobject.h - Definition of union acpi_operand_object (Internal object only) @@ -179,7 +178,7 @@ struct acpi_object_method { union acpi_operand_object *mutex; u8 *aml_start; union { - ACPI_INTERNAL_METHOD implementation; + acpi_internal_method implementation; union acpi_operand_object *handler; } dispatch; @@ -198,7 +197,7 @@ struct acpi_object_method { /****************************************************************************** * - * Objects that can be notified. All share a common notify_info area. + * Objects that can be notified. All share a common notify_info area. * *****************************************************************************/ @@ -235,7 +234,7 @@ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO}; /****************************************************************************** * - * Fields. All share a common header/info field. + * Fields. All share a common header/info field. * *****************************************************************************/ diff --git a/drivers/acpi/acpica/acopcode.h b/drivers/acpi/acpica/acopcode.h index 9440d05..d786a51 100644 --- a/drivers/acpi/acpica/acopcode.h +++ b/drivers/acpi/acpica/acopcode.h @@ -54,7 +54,7 @@ #define _UNK 0x6B /* - * Reserved ASCII characters. Do not use any of these for + * Reserved ASCII characters. Do not use any of these for * internal opcodes, since they are used to differentiate * name strings from AML opcodes */ @@ -63,7 +63,7 @@ #define _PFX 0x6D /* - * All AML opcodes and the parse-time arguments for each. Used by the AML + * All AML opcodes and the parse-time arguments for each. Used by the AML * parser Each list is compressed into a 32-bit number and stored in the * master opcode table (in psopcode.c). */ @@ -193,7 +193,7 @@ #define ARGP_ZERO_OP ARG_NONE /* - * All AML opcodes and the runtime arguments for each. Used by the AML + * All AML opcodes and the runtime arguments for each. Used by the AML * interpreter Each list is compressed into a 32-bit number and stored * in the master opcode table (in psopcode.c). * diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h index b725d78..eefcf47 100644 --- a/drivers/acpi/acpica/acparser.h +++ b/drivers/acpi/acpica/acparser.h @@ -150,8 +150,7 @@ u8 acpi_ps_has_completed_scope(struct acpi_parse_state *parser_state); void acpi_ps_pop_scope(struct acpi_parse_state *parser_state, - union acpi_parse_object **op, - u32 * arg_list, u32 * arg_count); + union acpi_parse_object **op, u32 *arg_list, u32 *arg_count); acpi_status acpi_ps_push_scope(struct acpi_parse_state *parser_state, diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h index 3080c01..9dfa1c8 100644 --- a/drivers/acpi/acpica/acpredef.h +++ b/drivers/acpi/acpica/acpredef.h @@ -150,8 +150,7 @@ enum acpi_return_package_types { * is saved here (rather than in a separate table) in order to minimize the * overall size of the stored data. */ -static const union acpi_predefined_info predefined_names[] = -{ +static const union acpi_predefined_info predefined_names[] = { {{"_AC0", 0, ACPI_RTYPE_INTEGER}}, {{"_AC1", 0, ACPI_RTYPE_INTEGER}}, {{"_AC2", 0, ACPI_RTYPE_INTEGER}}, @@ -538,7 +537,8 @@ static const union acpi_predefined_info predefined_names[] = /* Acpi 1.0 defined _WAK with no return value. Later, it was changed to return a package */ - {{"_WAK", 1, ACPI_RTYPE_NONE | ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE}}, + {{"_WAK", 1, + ACPI_RTYPE_NONE | ACPI_RTYPE_INTEGER | ACPI_RTYPE_PACKAGE}}, {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 2,0}, 0,0}}, /* Fixed-length (2 Int), but is optional */ /* _WDG/_WED are MS extensions defined by "Windows Instrumentation" */ @@ -551,11 +551,12 @@ static const union acpi_predefined_info predefined_names[] = }; #if 0 + /* This is an internally implemented control method, no need to check */ - {{"_OSI", 1, ACPI_RTYPE_INTEGER}}, +{ { +"_OSI", 1, ACPI_RTYPE_INTEGER}}, /* TBD: */ - _PRT - currently ignore reversed entries. attempt to fix here? think about possibly fixing package elements like _BIF, etc. #endif diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h index f196e2c..937e66c 100644 --- a/drivers/acpi/acpica/acstruct.h +++ b/drivers/acpi/acpica/acstruct.h @@ -53,7 +53,7 @@ ****************************************************************************/ /* - * Walk state - current state of a parse tree walk. Used for both a leisurely + * Walk state - current state of a parse tree walk. Used for both a leisurely * stroll through the tree (for whatever reason), and for control method * execution. */ diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index 5035327..b0f5f92 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -69,6 +69,22 @@ extern const char *acpi_gbl_siz_decode[]; extern const char *acpi_gbl_trs_decode[]; extern const char *acpi_gbl_ttp_decode[]; extern const char *acpi_gbl_typ_decode[]; +extern const char *acpi_gbl_ppc_decode[]; +extern const char *acpi_gbl_ior_decode[]; +extern const char *acpi_gbl_dts_decode[]; +extern const char *acpi_gbl_ct_decode[]; +extern const char *acpi_gbl_sbt_decode[]; +extern const char *acpi_gbl_am_decode[]; +extern const char *acpi_gbl_sm_decode[]; +extern const char *acpi_gbl_wm_decode[]; +extern const char *acpi_gbl_cph_decode[]; +extern const char *acpi_gbl_cpo_decode[]; +extern const char *acpi_gbl_dp_decode[]; +extern const char *acpi_gbl_ed_decode[]; +extern const char *acpi_gbl_bpb_decode[]; +extern const char *acpi_gbl_sb_decode[]; +extern const char *acpi_gbl_fc_decode[]; +extern const char *acpi_gbl_pt_decode[]; #endif /* Types for Resource descriptor entries */ @@ -79,14 +95,14 @@ extern const char *acpi_gbl_typ_decode[]; #define ACPI_SMALL_VARIABLE_LENGTH 3 typedef -acpi_status(*acpi_walk_aml_callback) (u8 * aml, +acpi_status(*acpi_walk_aml_callback) (u8 *aml, u32 length, u32 offset, u8 resource_index, void **context); typedef acpi_status(*acpi_pkg_callback) (u8 object_type, - union acpi_operand_object * source_object, + union acpi_operand_object *source_object, union acpi_generic_state * state, void *context); @@ -202,7 +218,9 @@ extern const u8 _acpi_ctype[]; #define ACPI_IS_PRINT(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP | _ACPI_DI | _ACPI_SP | _ACPI_PU)) #define ACPI_IS_ALPHA(c) (_acpi_ctype[(unsigned char)(c)] & (_ACPI_LO | _ACPI_UP)) -#endif /* ACPI_USE_SYSTEM_CLIBRARY */ +#endif /* !ACPI_USE_SYSTEM_CLIBRARY */ + +#define ACPI_IS_ASCII(c) ((c) < 0x80) /* * utcopy - Object construction and conversion interfaces @@ -210,11 +228,11 @@ extern const u8 _acpi_ctype[]; acpi_status acpi_ut_build_simple_object(union acpi_operand_object *obj, union acpi_object *user_obj, - u8 * data_space, u32 * buffer_space_used); + u8 *data_space, u32 *buffer_space_used); acpi_status acpi_ut_build_package_object(union acpi_operand_object *obj, - u8 * buffer, u32 * space_used); + u8 *buffer, u32 *space_used); acpi_status acpi_ut_copy_iobject_to_eobject(union acpi_operand_object *obj, @@ -287,9 +305,10 @@ acpi_ut_ptr_exit(u32 line_number, const char *function_name, const char *module_name, u32 component_id, u8 *ptr); -void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id); +void +acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id); -void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display); +void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 offset); void acpi_ut_report_error(char *module_name, u32 line_number); @@ -337,15 +356,19 @@ acpi_ut_execute_power_methods(struct acpi_namespace_node *device_node, */ acpi_status acpi_ut_execute_HID(struct acpi_namespace_node *device_node, - struct acpica_device_id **return_id); + struct acpi_pnp_device_id ** return_id); acpi_status acpi_ut_execute_UID(struct acpi_namespace_node *device_node, - struct acpica_device_id **return_id); + struct acpi_pnp_device_id ** return_id); + +acpi_status +acpi_ut_execute_SUB(struct acpi_namespace_node *device_node, + struct acpi_pnp_device_id **return_id); acpi_status acpi_ut_execute_CID(struct acpi_namespace_node *device_node, - struct acpica_device_id_list **return_cid_list); + struct acpi_pnp_device_id_list ** return_cid_list); /* * utlock - reader/writer locks @@ -479,15 +502,19 @@ acpi_ut_walk_package_tree(union acpi_operand_object *source_object, void acpi_ut_strupr(char *src_string); +void acpi_ut_strlwr(char *src_string); + +int acpi_ut_stricmp(char *string1, char *string2); + void acpi_ut_print_string(char *string, u8 max_length); u8 acpi_ut_valid_acpi_name(u32 name); -acpi_name acpi_ut_repair_name(char *name); +void acpi_ut_repair_name(char *name); u8 acpi_ut_valid_acpi_char(char character, u32 position); -acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer); +acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer); /* Values for Base above (16=Hex, 10=Decimal) */ @@ -508,12 +535,12 @@ acpi_ut_display_init_pathname(u8 type, * utresrc */ acpi_status -acpi_ut_walk_aml_resources(u8 * aml, +acpi_ut_walk_aml_resources(u8 *aml, acpi_size aml_length, acpi_walk_aml_callback user_function, void **context); -acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index); +acpi_status acpi_ut_validate_resource(void *aml, u8 *return_index); u32 acpi_ut_get_descriptor_length(void *aml); @@ -524,8 +551,7 @@ u8 acpi_ut_get_resource_header_length(void *aml); u8 acpi_ut_get_resource_type(void *aml); acpi_status -acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, - u8 ** end_tag); +acpi_ut_get_resource_end_tag(union acpi_operand_object *obj_desc, u8 **end_tag); /* * utmutex - mutex support diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h index af49479..9684496 100644 --- a/drivers/acpi/acpica/amlresrc.h +++ b/drivers/acpi/acpica/amlresrc.h @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: amlresrc.h - AML resource descriptors diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c index 465f021..57895db 100644 --- a/drivers/acpi/acpica/dscontrol.c +++ b/drivers/acpi/acpica/dscontrol.c @@ -280,7 +280,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state, /* * Get the return value and save as the last result - * value. This is the only place where walk_state->return_desc + * value. This is the only place where walk_state->return_desc * is set to anything other than zero! */ walk_state->return_desc = walk_state->operands[0]; diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c index 3da6fd8..b5b904e 100644 --- a/drivers/acpi/acpica/dsfield.c +++ b/drivers/acpi/acpica/dsfield.c @@ -277,7 +277,7 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op, * * RETURN: Status * - * DESCRIPTION: Process all named fields in a field declaration. Names are + * DESCRIPTION: Process all named fields in a field declaration. Names are * entered into the namespace. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index aa9a5d4..52eb4e0 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -170,7 +170,7 @@ acpi_ds_create_method_mutex(union acpi_operand_object *method_desc) * * RETURN: Status * - * DESCRIPTION: Prepare a method for execution. Parses the method if necessary, + * DESCRIPTION: Prepare a method for execution. Parses the method if necessary, * increments the thread count, and waits at the method semaphore * for clearance to execute. * @@ -444,7 +444,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, * RETURN: Status * * DESCRIPTION: Restart a method that was preempted by another (nested) method - * invocation. Handle the return value (if any) from the callee. + * invocation. Handle the return value (if any) from the callee. * ******************************************************************************/ @@ -530,7 +530,7 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, * * RETURN: None * - * DESCRIPTION: Terminate a control method. Delete everything that the method + * DESCRIPTION: Terminate a control method. Delete everything that the method * created, delete all locals and arguments, and delete the parse * tree if requested. * diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c index 8d55ceb..9a83b7e 100644 --- a/drivers/acpi/acpica/dsmthdat.c +++ b/drivers/acpi/acpica/dsmthdat.c @@ -76,7 +76,7 @@ acpi_ds_method_data_get_type(u16 opcode, * RETURN: Status * * DESCRIPTION: Initialize the data structures that hold the method's arguments - * and locals. The data struct is an array of namespace nodes for + * and locals. The data struct is an array of namespace nodes for * each - this allows ref_of and de_ref_of to work properly for these * special data types. * @@ -129,7 +129,7 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state) * * RETURN: None * - * DESCRIPTION: Delete method locals and arguments. Arguments are only + * DESCRIPTION: Delete method locals and arguments. Arguments are only * deleted if this method was called from another method. * ******************************************************************************/ @@ -183,7 +183,7 @@ void acpi_ds_method_data_delete_all(struct acpi_walk_state *walk_state) * * RETURN: Status * - * DESCRIPTION: Initialize arguments for a method. The parameter list is a list + * DESCRIPTION: Initialize arguments for a method. The parameter list is a list * of ACPI operand objects, either null terminated or whose length * is defined by max_param_count. * @@ -401,7 +401,7 @@ acpi_ds_method_data_get_value(u8 type, * This means that either 1) The expected argument was * not passed to the method, or 2) A local variable * was referenced by the method (via the ASL) - * before it was initialized. Either case is an error. + * before it was initialized. Either case is an error. */ /* If slack enabled, init the local_x/arg_x to an Integer of value zero */ @@ -465,7 +465,7 @@ acpi_ds_method_data_get_value(u8 type, * * RETURN: None * - * DESCRIPTION: Delete the entry at Opcode:Index. Inserts + * DESCRIPTION: Delete the entry at Opcode:Index. Inserts * a null into the stack slot after the object is deleted. * ******************************************************************************/ @@ -523,7 +523,7 @@ acpi_ds_method_data_delete_value(u8 type, * * RETURN: Status * - * DESCRIPTION: Store a value in an Arg or Local. The obj_desc is installed + * DESCRIPTION: Store a value in an Arg or Local. The obj_desc is installed * as the new value for the Arg or Local and the reference count * for obj_desc is incremented. * @@ -566,7 +566,7 @@ acpi_ds_store_object_to_local(u8 type, /* * If the reference count on the object is more than one, we must - * take a copy of the object before we store. A reference count + * take a copy of the object before we store. A reference count * of exactly 1 means that the object was just created during the * evaluation of an expression, and we can safely use it since it * is not used anywhere else. diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c index 68592dd..c9f15d3 100644 --- a/drivers/acpi/acpica/dsobject.c +++ b/drivers/acpi/acpica/dsobject.c @@ -293,7 +293,7 @@ acpi_ds_build_internal_buffer_obj(struct acpi_walk_state *walk_state, /* * Second arg is the buffer data (optional) byte_list can be either - * individual bytes or a string initializer. In either case, a + * individual bytes or a string initializer. In either case, a * byte_list appears in the AML. */ arg = op->common.value.arg; /* skip first arg */ @@ -568,7 +568,7 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state, /* * Because of the execution pass through the non-control-method - * parts of the table, we can arrive here twice. Only init + * parts of the table, we can arrive here twice. Only init * the named object node the first time through */ if (acpi_ns_get_attached_object(node)) { @@ -618,7 +618,7 @@ acpi_ds_create_node(struct acpi_walk_state *walk_state, * RETURN: Status * * DESCRIPTION: Initialize a namespace object from a parser Op and its - * associated arguments. The namespace object is a more compact + * associated arguments. The namespace object is a more compact * representation of the Op and its arguments. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c index aa34d89..0df024e 100644 --- a/drivers/acpi/acpica/dsopcode.c +++ b/drivers/acpi/acpica/dsopcode.c @@ -649,7 +649,8 @@ acpi_ds_eval_data_object_operands(struct acpi_walk_state *walk_state, ((op->common.parent->common.aml_opcode != AML_PACKAGE_OP) && (op->common.parent->common.aml_opcode != AML_VAR_PACKAGE_OP) - && (op->common.parent->common.aml_opcode != AML_NAME_OP))) { + && (op->common.parent->common.aml_opcode != + AML_NAME_OP))) { walk_state->result_obj = obj_desc; } } diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c index 73a5447..afeb99f 100644 --- a/drivers/acpi/acpica/dsutils.c +++ b/drivers/acpi/acpica/dsutils.c @@ -61,7 +61,7 @@ ACPI_MODULE_NAME("dsutils") * * RETURN: None. * - * DESCRIPTION: Clear and remove a reference on an implicit return value. Used + * DESCRIPTION: Clear and remove a reference on an implicit return value. Used * to delete "stale" return values (if enabled, the return value * from every operator is saved at least momentarily, in case the * parent method exits.) @@ -107,7 +107,7 @@ void acpi_ds_clear_implicit_return(struct acpi_walk_state *walk_state) * * DESCRIPTION: Implements the optional "implicit return". We save the result * of every ASL operator and control method invocation in case the - * parent method exit. Before storing a new return value, we + * parent method exit. Before storing a new return value, we * delete the previous return value. * ******************************************************************************/ @@ -198,7 +198,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op, * * If there is no parent, or the parent is a scope_op, we are executing * at the method level. An executing method typically has no parent, - * since each method is parsed separately. A method invoked externally + * since each method is parsed separately. A method invoked externally * via execute_control_method has a scope_op as the parent. */ if ((!op->common.parent) || @@ -223,7 +223,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op, } /* - * Decide what to do with the result based on the parent. If + * Decide what to do with the result based on the parent. If * the parent opcode will not use the result, delete the object. * Otherwise leave it as is, it will be deleted when it is used * as an operand later. @@ -266,7 +266,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op, /* * These opcodes allow term_arg(s) as operands and therefore - * the operands can be method calls. The result is used. + * the operands can be method calls. The result is used. */ goto result_used; @@ -284,7 +284,7 @@ acpi_ds_is_result_used(union acpi_parse_object * op, AML_BANK_FIELD_OP)) { /* * These opcodes allow term_arg(s) as operands and therefore - * the operands can be method calls. The result is used. + * the operands can be method calls. The result is used. */ goto result_used; } @@ -329,9 +329,9 @@ acpi_ds_is_result_used(union acpi_parse_object * op, * * RETURN: Status * - * DESCRIPTION: Used after interpretation of an opcode. If there is an internal + * DESCRIPTION: Used after interpretation of an opcode. If there is an internal * result descriptor, check if the parent opcode will actually use - * this result. If not, delete the result now so that it will + * this result. If not, delete the result now so that it will * not become orphaned. * ******************************************************************************/ @@ -376,7 +376,7 @@ acpi_ds_delete_result_if_not_used(union acpi_parse_object *op, * * RETURN: Status * - * DESCRIPTION: Resolve all operands to their values. Used to prepare + * DESCRIPTION: Resolve all operands to their values. Used to prepare * arguments to a control method invocation (a call from one * method to another.) * @@ -391,7 +391,7 @@ acpi_status acpi_ds_resolve_operands(struct acpi_walk_state *walk_state) /* * Attempt to resolve each of the valid operands - * Method arguments are passed by reference, not by value. This means + * Method arguments are passed by reference, not by value. This means * that the actual objects are passed, not copies of the objects. */ for (i = 0; i < walk_state->num_operands; i++) { @@ -451,7 +451,7 @@ void acpi_ds_clear_operands(struct acpi_walk_state *walk_state) * RETURN: Status * * DESCRIPTION: Translate a parse tree object that is an argument to an AML - * opcode to the equivalent interpreter object. This may include + * opcode to the equivalent interpreter object. This may include * looking up a name or entering a new name into the internal * namespace. * @@ -496,9 +496,9 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, /* * Special handling for buffer_field declarations. This is a deferred * opcode that unfortunately defines the field name as the last - * parameter instead of the first. We get here when we are performing + * parameter instead of the first. We get here when we are performing * the deferred execution, so the actual name of the field is already - * in the namespace. We don't want to attempt to look it up again + * in the namespace. We don't want to attempt to look it up again * because we may be executing in a different scope than where the * actual opcode exists. */ @@ -560,7 +560,8 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, * indicate this to the interpreter, set the * object to the root */ - obj_desc = ACPI_CAST_PTR(union + obj_desc = + ACPI_CAST_PTR(union acpi_operand_object, acpi_gbl_root_node); status = AE_OK; @@ -604,8 +605,8 @@ acpi_ds_create_operand(struct acpi_walk_state *walk_state, /* * If the name is null, this means that this is an * optional result parameter that was not specified - * in the original ASL. Create a Zero Constant for a - * placeholder. (Store to a constant is a Noop.) + * in the original ASL. Create a Zero Constant for a + * placeholder. (Store to a constant is a Noop.) */ opcode = AML_ZERO_OP; /* Has no arguments! */ diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c index 642f3c0..5859393 100644 --- a/drivers/acpi/acpica/dswexec.c +++ b/drivers/acpi/acpica/dswexec.c @@ -57,7 +57,7 @@ ACPI_MODULE_NAME("dswexec") /* * Dispatch table for opcode classes */ -static ACPI_EXECUTE_OP acpi_gbl_op_type_dispatch[] = { +static acpi_execute_op acpi_gbl_op_type_dispatch[] = { acpi_ex_opcode_0A_0T_1R, acpi_ex_opcode_1A_0T_0R, acpi_ex_opcode_1A_0T_1R, @@ -204,7 +204,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state, * RETURN: Status * * DESCRIPTION: Descending callback used during the execution of control - * methods. This is where most operators and operands are + * methods. This is where most operators and operands are * dispatched to the interpreter. * ****************************************************************************/ @@ -297,7 +297,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, if (walk_state->walk_type & ACPI_WALK_METHOD) { /* * Found a named object declaration during method execution; - * we must enter this object into the namespace. The created + * we must enter this object into the namespace. The created * object is temporary and will be deleted upon completion of * the execution of this method. * @@ -348,7 +348,7 @@ acpi_ds_exec_begin_op(struct acpi_walk_state *walk_state, * RETURN: Status * * DESCRIPTION: Ascending callback used during the execution of control - * methods. The only thing we really need to do here is to + * methods. The only thing we really need to do here is to * notice the beginning of IF, ELSE, and WHILE blocks. * ****************************************************************************/ @@ -432,7 +432,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) if (ACPI_SUCCESS(status)) { /* * Dispatch the request to the appropriate interpreter handler - * routine. There is one routine per opcode "type" based upon the + * routine. There is one routine per opcode "type" based upon the * number of opcode arguments and return type. */ status = diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c index 89c0114..3798357 100644 --- a/drivers/acpi/acpica/dswload2.c +++ b/drivers/acpi/acpica/dswload2.c @@ -254,7 +254,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, acpi_ut_get_type_name(node->type), acpi_ut_get_node_name(node))); - return (AE_AML_OPERAND_TYPE); + return_ACPI_STATUS(AE_AML_OPERAND_TYPE); } break; @@ -602,7 +602,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) region_space, walk_state); if (ACPI_FAILURE(status)) { - return (status); + return_ACPI_STATUS(status); } acpi_ex_exit_interpreter(); diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c index d0e6555..3e65a15 100644 --- a/drivers/acpi/acpica/dswstate.c +++ b/drivers/acpi/acpica/dswstate.c @@ -51,8 +51,9 @@ ACPI_MODULE_NAME("dswstate") /* Local prototypes */ -static acpi_status acpi_ds_result_stack_push(struct acpi_walk_state *ws); -static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *ws); +static acpi_status +acpi_ds_result_stack_push(struct acpi_walk_state *walk_state); +static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *walk_state); /******************************************************************************* * @@ -347,7 +348,7 @@ acpi_ds_obj_stack_push(void *object, struct acpi_walk_state * walk_state) * * RETURN: Status * - * DESCRIPTION: Pop this walk's object stack. Objects on the stack are NOT + * DESCRIPTION: Pop this walk's object stack. Objects on the stack are NOT * deleted by this routine. * ******************************************************************************/ @@ -491,7 +492,7 @@ acpi_ds_push_walk_state(struct acpi_walk_state *walk_state, * RETURN: A walk_state object popped from the thread's stack * * DESCRIPTION: Remove and return the walkstate object that is at the head of - * the walk stack for the given walk list. NULL indicates that + * the walk stack for the given walk list. NULL indicates that * the list is empty. * ******************************************************************************/ @@ -531,14 +532,17 @@ struct acpi_walk_state *acpi_ds_pop_walk_state(struct acpi_thread_state *thread) * * RETURN: Pointer to the new walk state. * - * DESCRIPTION: Allocate and initialize a new walk state. The current walk + * DESCRIPTION: Allocate and initialize a new walk state. The current walk * state is set to this new state. * ******************************************************************************/ -struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, union acpi_parse_object - *origin, union acpi_operand_object - *method_desc, struct acpi_thread_state +struct acpi_walk_state *acpi_ds_create_walk_state(acpi_owner_id owner_id, + union acpi_parse_object + *origin, + union acpi_operand_object + *method_desc, + struct acpi_thread_state *thread) { struct acpi_walk_state *walk_state; @@ -653,7 +657,7 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state, /* * Setup the current scope. * Find a Named Op that has a namespace node associated with it. - * search upwards from this Op. Current scope is the first + * search upwards from this Op. Current scope is the first * Op with a namespace node. */ extra_op = parser_state->start_op; @@ -704,13 +708,13 @@ void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state) ACPI_FUNCTION_TRACE_PTR(ds_delete_walk_state, walk_state); if (!walk_state) { - return; + return_VOID; } if (walk_state->descriptor_type != ACPI_DESC_TYPE_WALK) { ACPI_ERROR((AE_INFO, "%p is not a valid walk state", walk_state)); - return; + return_VOID; } /* There should not be any open scopes */ diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index ef0193d..36d1205 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -89,7 +89,8 @@ acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info) /* Set the mask bit only if there are references to this GPE */ if (gpe_event_info->runtime_count) { - ACPI_SET_BIT(gpe_register_info->enable_for_run, (u8)register_bit); + ACPI_SET_BIT(gpe_register_info->enable_for_run, + (u8)register_bit); } return_ACPI_STATUS(AE_OK); @@ -106,8 +107,7 @@ acpi_ev_update_gpe_enable_mask(struct acpi_gpe_event_info *gpe_event_info) * DESCRIPTION: Clear a GPE of stale events and enable it. * ******************************************************************************/ -acpi_status -acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info) +acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info) { acpi_status status; @@ -131,8 +131,8 @@ acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info) } /* Enable the requested GPE */ - status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE); + status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE); return_ACPI_STATUS(status); } @@ -150,7 +150,8 @@ acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info) * ******************************************************************************/ -acpi_status acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info) +acpi_status +acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info) { acpi_status status = AE_OK; @@ -191,7 +192,8 @@ acpi_status acpi_ev_add_gpe_reference(struct acpi_gpe_event_info *gpe_event_info * ******************************************************************************/ -acpi_status acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info) +acpi_status +acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_info) { acpi_status status = AE_OK; @@ -208,7 +210,8 @@ acpi_status acpi_ev_remove_gpe_reference(struct acpi_gpe_event_info *gpe_event_i status = acpi_ev_update_gpe_enable_mask(gpe_event_info); if (ACPI_SUCCESS(status)) { - status = acpi_hw_low_set_gpe(gpe_event_info, + status = + acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE); } @@ -306,7 +309,8 @@ struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device, /* A Non-NULL gpe_device means this is a GPE Block Device */ - obj_desc = acpi_ns_get_attached_object((struct acpi_namespace_node *) + obj_desc = + acpi_ns_get_attached_object((struct acpi_namespace_node *) gpe_device); if (!obj_desc || !obj_desc->device.gpe_block) { return (NULL); diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index 8cf4c10..1571a61 100644 --- a/drivers/acpi/acpica/evgpeblk.c +++ b/drivers/acpi/acpica/evgpeblk.c @@ -486,7 +486,8 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not enable GPE 0x%02X", - gpe_index + gpe_block->block_base_number)); + gpe_index + + gpe_block->block_base_number)); continue; } diff --git a/drivers/acpi/acpica/evgpeutil.c b/drivers/acpi/acpica/evgpeutil.c index cb50dd9..228a0c3 100644 --- a/drivers/acpi/acpica/evgpeutil.c +++ b/drivers/acpi/acpica/evgpeutil.c @@ -374,7 +374,8 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, gpe_event_info->dispatch.handler = NULL; gpe_event_info->flags &= ~ACPI_GPE_DISPATCH_MASK; - } else if ((gpe_event_info-> + } else + if ((gpe_event_info-> flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_NOTIFY) { diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index 4c1c826..1474241 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -227,8 +227,7 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, /* Install a handler for this PCI root bridge */ - status = - acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL); + status = acpi_install_address_space_handler((acpi_handle) pci_root_node, ACPI_ADR_SPACE_PCI_CONFIG, ACPI_DEFAULT_HANDLER, NULL, NULL); if (ACPI_FAILURE(status)) { if (status == AE_SAME_HANDLER) { /* @@ -350,8 +349,8 @@ acpi_ev_pci_config_region_setup(acpi_handle handle, static u8 acpi_ev_is_pci_root_bridge(struct acpi_namespace_node *node) { acpi_status status; - struct acpica_device_id *hid; - struct acpica_device_id_list *cid; + struct acpi_pnp_device_id *hid; + struct acpi_pnp_device_id_list *cid; u32 i; u8 match; diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c index 7587eb6..ae668f3 100644 --- a/drivers/acpi/acpica/evxface.c +++ b/drivers/acpi/acpica/evxface.c @@ -398,7 +398,7 @@ ACPI_EXPORT_SYMBOL(acpi_install_exception_handler) * ******************************************************************************/ acpi_status -acpi_install_global_event_handler(ACPI_GBL_EVENT_HANDLER handler, void *context) +acpi_install_global_event_handler(acpi_gbl_event_handler handler, void *context) { acpi_status status; diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c index 87c5f23..3f30e75 100644 --- a/drivers/acpi/acpica/evxfgpe.c +++ b/drivers/acpi/acpica/evxfgpe.c @@ -221,7 +221,8 @@ acpi_setup_gpe_for_wake(acpi_handle wake_device, if (wake_device == ACPI_ROOT_OBJECT) { device_node = acpi_gbl_root_node; } else { - device_node = ACPI_CAST_PTR(struct acpi_namespace_node, wake_device); + device_node = + ACPI_CAST_PTR(struct acpi_namespace_node, wake_device); } /* Validate WakeDevice is of type Device */ @@ -324,7 +325,8 @@ ACPI_EXPORT_SYMBOL(acpi_setup_gpe_for_wake) * ******************************************************************************/ -acpi_status acpi_set_gpe_wake_mask(acpi_handle gpe_device, u32 gpe_number, u8 action) +acpi_status +acpi_set_gpe_wake_mask(acpi_handle gpe_device, u32 gpe_number, u8 action) { acpi_status status = AE_OK; struct acpi_gpe_event_info *gpe_event_info; @@ -567,7 +569,7 @@ acpi_install_gpe_block(acpi_handle gpe_device, status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { - return (status); + return_ACPI_STATUS(status); } node = acpi_ns_validate_handle(gpe_device); @@ -650,7 +652,7 @@ acpi_status acpi_remove_gpe_block(acpi_handle gpe_device) status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { - return (status); + return_ACPI_STATUS(status); } node = acpi_ns_validate_handle(gpe_device); @@ -694,8 +696,7 @@ ACPI_EXPORT_SYMBOL(acpi_remove_gpe_block) * the FADT-defined gpe blocks. Otherwise, the GPE block device. * ******************************************************************************/ -acpi_status -acpi_get_gpe_device(u32 index, acpi_handle *gpe_device) +acpi_status acpi_get_gpe_device(u32 index, acpi_handle * gpe_device) { struct acpi_gpe_device_info info; acpi_status status; diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c index bfb062e..4492a4e 100644 --- a/drivers/acpi/acpica/exconvrt.c +++ b/drivers/acpi/acpica/exconvrt.c @@ -516,8 +516,8 @@ acpi_ex_convert_to_string(union acpi_operand_object * obj_desc, string_length--; } - return_desc = acpi_ut_create_string_object((acpi_size) - string_length); + return_desc = + acpi_ut_create_string_object((acpi_size) string_length); if (!return_desc) { return_ACPI_STATUS(AE_NO_MEMORY); } diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index 691d476..66554bc 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -78,7 +78,7 @@ acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state) (target_node->type == ACPI_TYPE_LOCAL_METHOD_ALIAS)) { /* * Dereference an existing alias so that we don't create a chain - * of aliases. With this code, we guarantee that an alias is + * of aliases. With this code, we guarantee that an alias is * always exactly one level of indirection away from the * actual aliased name. */ @@ -90,7 +90,7 @@ acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state) /* * For objects that can never change (i.e., the NS node will * permanently point to the same object), we can simply attach - * the object to the new NS node. For other objects (such as + * the object to the new NS node. For other objects (such as * Integers, buffers, etc.), we have to point the Alias node * to the original Node. */ @@ -139,7 +139,7 @@ acpi_status acpi_ex_create_alias(struct acpi_walk_state *walk_state) /* * The new alias assumes the type of the target, and it points - * to the same object. The reference count of the object has an + * to the same object. The reference count of the object has an * additional reference to prevent deletion out from under either the * target node or the alias Node */ @@ -243,8 +243,7 @@ acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state) /* Init object and attach to NS node */ - obj_desc->mutex.sync_level = - (u8) walk_state->operands[1]->integer.value; + obj_desc->mutex.sync_level = (u8)walk_state->operands[1]->integer.value; obj_desc->mutex.node = (struct acpi_namespace_node *)walk_state->operands[0]; diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c index bc5b9a6..d7c9f51 100644 --- a/drivers/acpi/acpica/exdebug.c +++ b/drivers/acpi/acpica/exdebug.c @@ -145,10 +145,10 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, case ACPI_TYPE_BUFFER: acpi_os_printf("[0x%.2X]\n", (u32)source_desc->buffer.length); - acpi_ut_dump_buffer2(source_desc->buffer.pointer, - (source_desc->buffer.length < 256) ? - source_desc->buffer.length : 256, - DB_BYTE_DISPLAY); + acpi_ut_dump_buffer(source_desc->buffer.pointer, + (source_desc->buffer.length < 256) ? + source_desc->buffer.length : 256, + DB_BYTE_DISPLAY, 0); break; case ACPI_TYPE_STRING: @@ -190,7 +190,7 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, acpi_os_printf("Table Index 0x%X\n", source_desc->reference.value); - return; + return_VOID; default: break; diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c index 213c081..858b43a 100644 --- a/drivers/acpi/acpica/exdump.c +++ b/drivers/acpi/acpica/exdump.c @@ -464,7 +464,8 @@ void acpi_ex_dump_operand(union acpi_operand_object *obj_desc, u32 depth) ACPI_FUNCTION_NAME(ex_dump_operand) - if (!((ACPI_LV_EXEC & acpi_dbg_level) + if (! + ((ACPI_LV_EXEC & acpi_dbg_level) && (_COMPONENT & acpi_dbg_layer))) { return; } @@ -777,7 +778,7 @@ acpi_ex_dump_operands(union acpi_operand_object **operands, * PARAMETERS: title - Descriptive text * value - Value to be displayed * - * DESCRIPTION: Object dump output formatting functions. These functions + * DESCRIPTION: Object dump output formatting functions. These functions * reduce the number of format strings required and keeps them * all in one place for easy modification. * @@ -810,7 +811,8 @@ void acpi_ex_dump_namespace_node(struct acpi_namespace_node *node, u32 flags) ACPI_FUNCTION_ENTRY(); if (!flags) { - if (!((ACPI_LV_OBJECTS & acpi_dbg_level) + if (! + ((ACPI_LV_OBJECTS & acpi_dbg_level) && (_COMPONENT & acpi_dbg_layer))) { return; } @@ -940,10 +942,11 @@ acpi_ex_dump_package_obj(union acpi_operand_object *obj_desc, acpi_os_printf("[Buffer] Length %.2X = ", obj_desc->buffer.length); if (obj_desc->buffer.length) { - acpi_ut_dump_buffer(ACPI_CAST_PTR - (u8, obj_desc->buffer.pointer), - obj_desc->buffer.length, - DB_DWORD_DISPLAY, _COMPONENT); + acpi_ut_debug_dump_buffer(ACPI_CAST_PTR + (u8, + obj_desc->buffer.pointer), + obj_desc->buffer.length, + DB_DWORD_DISPLAY, _COMPONENT); } else { acpi_os_printf("\n"); } @@ -996,7 +999,8 @@ acpi_ex_dump_object_descriptor(union acpi_operand_object *obj_desc, u32 flags) } if (!flags) { - if (!((ACPI_LV_OBJECTS & acpi_dbg_level) + if (! + ((ACPI_LV_OBJECTS & acpi_dbg_level) && (_COMPONENT & acpi_dbg_layer))) { return_VOID; } diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c index dc092f5..ebc55fb 100644 --- a/drivers/acpi/acpica/exfield.c +++ b/drivers/acpi/acpica/exfield.c @@ -59,7 +59,7 @@ ACPI_MODULE_NAME("exfield") * * RETURN: Status * - * DESCRIPTION: Read from a named field. Returns either an Integer or a + * DESCRIPTION: Read from a named field. Returns either an Integer or a * Buffer, depending on the size of the field. * ******************************************************************************/ @@ -149,7 +149,7 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state, * Allocate a buffer for the contents of the field. * * If the field is larger than the current integer width, create - * a BUFFER to hold it. Otherwise, use an INTEGER. This allows + * a BUFFER to hold it. Otherwise, use an INTEGER. This allows * the use of arithmetic operators on the returned value if the * field size is equal or smaller than an Integer. * diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index a778415..aa2ccfb 100644 --- a/drivers/acpi/acpica/exfldio.c +++ b/drivers/acpi/acpica/exfldio.c @@ -54,8 +54,7 @@ ACPI_MODULE_NAME("exfldio") /* Local prototypes */ static acpi_status acpi_ex_field_datum_io(union acpi_operand_object *obj_desc, - u32 field_datum_byte_offset, - u64 *value, u32 read_write); + u32 field_datum_byte_offset, u64 *value, u32 read_write); static u8 acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value); @@ -155,7 +154,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, #endif /* - * Validate the request. The entire request from the byte offset for a + * Validate the request. The entire request from the byte offset for a * length of one field datum (access width) must fit within the region. * (Region length is specified in bytes) */ @@ -183,7 +182,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, obj_desc->common_field.access_byte_width) { /* * This is the case where the access_type (acc_word, etc.) is wider - * than the region itself. For example, a region of length one + * than the region itself. For example, a region of length one * byte, and a field with Dword access specified. */ ACPI_ERROR((AE_INFO, @@ -321,7 +320,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc, * * DESCRIPTION: Check if a value is out of range of the field being written. * Used to check if the values written to Index and Bank registers - * are out of range. Normally, the value is simply truncated + * are out of range. Normally, the value is simply truncated * to fit the field, but this case is most likely a serious * coding error in the ASL. * @@ -370,7 +369,7 @@ acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value) * * RETURN: Status * - * DESCRIPTION: Read or Write a single datum of a field. The field_type is + * DESCRIPTION: Read or Write a single datum of a field. The field_type is * demultiplexed here to handle the different types of fields * (buffer_field, region_field, index_field, bank_field) * @@ -860,7 +859,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, ACPI_ROUND_BITS_UP_TO_BYTES(obj_desc->common_field.bit_length); /* * We must have a buffer that is at least as long as the field - * we are writing to. This is because individual fields are + * we are writing to. This is because individual fields are * indivisible and partial writes are not supported -- as per * the ACPI specification. */ @@ -875,7 +874,7 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, /* * Copy the original data to the new buffer, starting - * at Byte zero. All unused (upper) bytes of the + * at Byte zero. All unused (upper) bytes of the * buffer will be 0. */ ACPI_MEMCPY((char *)new_buffer, (char *)buffer, buffer_length); diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c index 271c0c5..8405870 100644 --- a/drivers/acpi/acpica/exmisc.c +++ b/drivers/acpi/acpica/exmisc.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exmisc - ACPI AML (p-code) execution - specific opcodes @@ -254,7 +253,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, ACPI_FUNCTION_TRACE(ex_do_concatenate); /* - * Convert the second operand if necessary. The first operand + * Convert the second operand if necessary. The first operand * determines the type of the second operand, (See the Data Types * section of the ACPI specification.) Both object types are * guaranteed to be either Integer/String/Buffer by the operand @@ -573,7 +572,7 @@ acpi_ex_do_logical_op(u16 opcode, ACPI_FUNCTION_TRACE(ex_do_logical_op); /* - * Convert the second operand if necessary. The first operand + * Convert the second operand if necessary. The first operand * determines the type of the second operand, (See the Data Types * section of the ACPI 3.0+ specification.) Both object types are * guaranteed to be either Integer/String/Buffer by the operand diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c index bcceda5..d1f449d 100644 --- a/drivers/acpi/acpica/exmutex.c +++ b/drivers/acpi/acpica/exmutex.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exmutex - ASL Mutex Acquire/Release functions @@ -305,7 +304,7 @@ acpi_status acpi_ex_release_mutex_object(union acpi_operand_object *obj_desc) ACPI_FUNCTION_TRACE(ex_release_mutex_object); if (obj_desc->mutex.acquisition_depth == 0) { - return (AE_NOT_ACQUIRED); + return_ACPI_STATUS(AE_NOT_ACQUIRED); } /* Match multiple Acquires with multiple Releases */ @@ -462,7 +461,7 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread) union acpi_operand_object *next = thread->acquired_mutex_list; union acpi_operand_object *obj_desc; - ACPI_FUNCTION_ENTRY(); + ACPI_FUNCTION_NAME(ex_release_all_mutexes); /* Traverse the list of owned mutexes, releasing each one */ @@ -474,6 +473,10 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread) obj_desc->mutex.next = NULL; obj_desc->mutex.acquisition_depth = 0; + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Force-releasing held mutex: %p\n", + obj_desc)); + /* Release the mutex, special case for Global Lock */ if (obj_desc == acpi_gbl_global_lock_mutex) { diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c index fcc75fa..2ff578a 100644 --- a/drivers/acpi/acpica/exnames.c +++ b/drivers/acpi/acpica/exnames.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exnames - interpreter/scanner name load/execute @@ -53,8 +52,7 @@ ACPI_MODULE_NAME("exnames") /* Local prototypes */ static char *acpi_ex_allocate_name_string(u32 prefix_count, u32 num_name_segs); -static acpi_status -acpi_ex_name_segment(u8 ** in_aml_address, char *name_string); +static acpi_status acpi_ex_name_segment(u8 **in_aml_address, char *name_string); /******************************************************************************* * @@ -64,7 +62,7 @@ acpi_ex_name_segment(u8 ** in_aml_address, char *name_string); * (-1)==root, 0==none * num_name_segs - count of 4-character name segments * - * RETURN: A pointer to the allocated string segment. This segment must + * RETURN: A pointer to the allocated string segment. This segment must * be deleted by the caller. * * DESCRIPTION: Allocate a buffer for a name string. Ensure allocated name @@ -178,7 +176,8 @@ static acpi_status acpi_ex_name_segment(u8 ** in_aml_address, char *name_string) ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Bytes from stream:\n")); - for (index = 0; (index < ACPI_NAME_SIZE) + for (index = 0; + (index < ACPI_NAME_SIZE) && (acpi_ut_valid_acpi_char(*aml_address, 0)); index++) { char_buf[index] = *aml_address++; ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "%c\n", char_buf[index])); diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c index 9ba8c73..bbf01e9 100644 --- a/drivers/acpi/acpica/exoparg1.c +++ b/drivers/acpi/acpica/exoparg1.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exoparg1 - AML execution - opcodes with 1 argument @@ -606,7 +605,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) } /* - * Set result to ONES (TRUE) if Value == 0. Note: + * Set result to ONES (TRUE) if Value == 0. Note: * return_desc->Integer.Value is initially == 0 (FALSE) from above. */ if (!operand[0]->integer.value) { @@ -618,7 +617,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) case AML_INCREMENT_OP: /* Increment (Operand) */ /* - * Create a new integer. Can't just get the base integer and + * Create a new integer. Can't just get the base integer and * increment it because it may be an Arg or Field. */ return_desc = acpi_ut_create_internal_object(ACPI_TYPE_INTEGER); @@ -686,7 +685,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) /* * Note: The operand is not resolved at this point because we want to - * get the associated object, not its value. For example, we don't + * get the associated object, not its value. For example, we don't * want to resolve a field_unit to its value, we want the actual * field_unit object. */ @@ -727,7 +726,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) /* * The type of the base object must be integer, buffer, string, or - * package. All others are not supported. + * package. All others are not supported. * * NOTE: Integer is not specifically supported by the ACPI spec, * but is supported implicitly via implicit operand conversion. @@ -965,7 +964,7 @@ acpi_status acpi_ex_opcode_1A_0T_1R(struct acpi_walk_state *walk_state) case ACPI_TYPE_PACKAGE: /* - * Return the referenced element of the package. We must + * Return the referenced element of the package. We must * add another reference to the referenced object, however. */ return_desc = diff --git a/drivers/acpi/acpica/exoparg2.c b/drivers/acpi/acpica/exoparg2.c index 879e8a2..ee5634a 100644 --- a/drivers/acpi/acpica/exoparg2.c +++ b/drivers/acpi/acpica/exoparg2.c @@ -123,7 +123,7 @@ acpi_status acpi_ex_opcode_2A_0T_0R(struct acpi_walk_state *walk_state) /* * Dispatch the notify to the appropriate handler * NOTE: the request is queued for execution after this method - * completes. The notify handlers are NOT invoked synchronously + * completes. The notify handlers are NOT invoked synchronously * from this thread -- because handlers may in turn run other * control methods. */ diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c index 71fcc65..2c89b46 100644 --- a/drivers/acpi/acpica/exoparg3.c +++ b/drivers/acpi/acpica/exoparg3.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exoparg3 - AML execution - opcodes with 3 arguments @@ -158,7 +157,7 @@ acpi_status acpi_ex_opcode_3A_1T_1R(struct acpi_walk_state *walk_state) case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */ /* - * Create the return object. The Source operand is guaranteed to be + * Create the return object. The Source operand is guaranteed to be * either a String or a Buffer, so just use its type. */ return_desc = acpi_ut_create_internal_object((operand[0])-> diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c index 0786b86..3e08695 100644 --- a/drivers/acpi/acpica/exoparg6.c +++ b/drivers/acpi/acpica/exoparg6.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exoparg6 - AML execution - opcodes with 6 arguments @@ -198,7 +197,7 @@ acpi_ex_do_match(u32 match_op, return (FALSE); } - return logical_result; + return (logical_result); } /******************************************************************************* @@ -269,7 +268,7 @@ acpi_status acpi_ex_opcode_6A_0T_1R(struct acpi_walk_state * walk_state) * and the next should be examined. * * Upon finding a match, the loop will terminate via "break" at - * the bottom. If it terminates "normally", match_value will be + * the bottom. If it terminates "normally", match_value will be * ACPI_UINT64_MAX (Ones) (its initial value) indicating that no * match was found. */ diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index 81eca60..ba9db4d 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exprep - ACPI AML (p-code) execution - field prep utilities @@ -78,8 +77,8 @@ acpi_ex_generate_access(u32 field_bit_offset, * any_acc keyword. * * NOTE: Need to have the region_length in order to check for boundary - * conditions (end-of-region). However, the region_length is a deferred - * operation. Therefore, to complete this implementation, the generation + * conditions (end-of-region). However, the region_length is a deferred + * operation. Therefore, to complete this implementation, the generation * of this access width must be deferred until the region length has * been evaluated. * @@ -308,7 +307,7 @@ acpi_ex_decode_field_access(union acpi_operand_object *obj_desc, * RETURN: Status * * DESCRIPTION: Initialize the areas of the field object that are common - * to the various types of fields. Note: This is very "sensitive" + * to the various types of fields. Note: This is very "sensitive" * code because we are solving the general case for field * alignment. * @@ -336,13 +335,13 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc, obj_desc->common_field.bit_length = field_bit_length; /* - * Decode the access type so we can compute offsets. The access type gives + * Decode the access type so we can compute offsets. The access type gives * two pieces of information - the width of each field access and the * necessary byte_alignment (address granularity) of the access. * * For any_acc, the access_bit_width is the largest width that is both * necessary and possible in an attempt to access the whole field in one - * I/O operation. However, for any_acc, the byte_alignment is always one + * I/O operation. However, for any_acc, the byte_alignment is always one * byte. * * For all Buffer Fields, the byte_alignment is always one byte. @@ -363,7 +362,7 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc, /* * base_byte_offset is the address of the start of the field within the - * region. It is the byte address of the first *datum* (field-width data + * region. It is the byte address of the first *datum* (field-width data * unit) of the field. (i.e., the first datum that contains at least the * first *bit* of the field.) * diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c index 1f1ce0c..1db2c0b 100644 --- a/drivers/acpi/acpica/exregion.c +++ b/drivers/acpi/acpica/exregion.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exregion - ACPI default op_region (address space) handlers @@ -202,7 +201,7 @@ acpi_ex_system_memory_space_handler(u32 function, * Perform the memory read or write * * Note: For machines that do not support non-aligned transfers, the target - * address was checked for alignment above. We do not attempt to break the + * address was checked for alignment above. We do not attempt to break the * transfer up into smaller (byte-size) chunks because the AML specifically * asked for a transfer width that the hardware may require. */ diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c index fa50e77..6239956 100644 --- a/drivers/acpi/acpica/exresnte.c +++ b/drivers/acpi/acpica/exresnte.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exresnte - AML Interpreter object resolution @@ -58,8 +57,8 @@ ACPI_MODULE_NAME("exresnte") * PARAMETERS: object_ptr - Pointer to a location that contains * a pointer to a NS node, and will receive a * pointer to the resolved object. - * walk_state - Current state. Valid only if executing AML - * code. NULL if simply resolving an object + * walk_state - Current state. Valid only if executing AML + * code. NULL if simply resolving an object * * RETURN: Status * @@ -67,7 +66,7 @@ ACPI_MODULE_NAME("exresnte") * * Note: for some of the data types, the pointer attached to the Node * can be either a pointer to an actual internal object or a pointer into the - * AML stream itself. These types are currently: + * AML stream itself. These types are currently: * * ACPI_TYPE_INTEGER * ACPI_TYPE_STRING @@ -89,7 +88,7 @@ acpi_ex_resolve_node_to_value(struct acpi_namespace_node **object_ptr, ACPI_FUNCTION_TRACE(ex_resolve_node_to_value); /* - * The stack pointer points to a struct acpi_namespace_node (Node). Get the + * The stack pointer points to a struct acpi_namespace_node (Node). Get the * object that is attached to the Node. */ node = *object_ptr; diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c index bbf40ac..cc176b2 100644 --- a/drivers/acpi/acpica/exresolv.c +++ b/drivers/acpi/acpica/exresolv.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exresolv - AML Interpreter object resolution @@ -327,7 +326,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr, * * RETURN: Status * - * DESCRIPTION: Return the base object and type. Traverse a reference list if + * DESCRIPTION: Return the base object and type. Traverse a reference list if * necessary to get to the base object. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c index f232fba..b9ebff2 100644 --- a/drivers/acpi/acpica/exresop.c +++ b/drivers/acpi/acpica/exresop.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exresop - AML Interpreter operand/object resolution @@ -87,7 +86,7 @@ acpi_ex_check_object_type(acpi_object_type type_needed, if (type_needed == ACPI_TYPE_LOCAL_REFERENCE) { /* * Allow the AML "Constant" opcodes (Zero, One, etc.) to be reference - * objects and thus allow them to be targets. (As per the ACPI + * objects and thus allow them to be targets. (As per the ACPI * specification, a store to a constant is a noop.) */ if ((this_type == ACPI_TYPE_INTEGER) && @@ -337,7 +336,8 @@ acpi_ex_resolve_operands(u16 opcode, if ((opcode == AML_STORE_OP) && ((*stack_ptr)->common.type == ACPI_TYPE_LOCAL_REFERENCE) - && ((*stack_ptr)->reference.class == ACPI_REFCLASS_INDEX)) { + && ((*stack_ptr)->reference.class == + ACPI_REFCLASS_INDEX)) { goto next_operand; } break; @@ -638,7 +638,7 @@ acpi_ex_resolve_operands(u16 opcode, if (acpi_gbl_enable_interpreter_slack) { /* * Enable original behavior of Store(), allowing any and all - * objects as the source operand. The ACPI spec does not + * objects as the source operand. The ACPI spec does not * allow this, however. */ break; diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c index 5fffe7a..90431f1 100644 --- a/drivers/acpi/acpica/exstore.c +++ b/drivers/acpi/acpica/exstore.c @@ -374,7 +374,7 @@ acpi_ex_store_object_to_index(union acpi_operand_object *source_desc, * with the input value. * * When storing into an object the data is converted to the - * target object type then stored in the object. This means + * target object type then stored in the object. This means * that the target object type (for an initialized target) will * not be changed by a store operation. * @@ -491,7 +491,7 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc, acpi_ut_get_object_type_name(source_desc), source_desc, node)); - /* No conversions for all other types. Just attach the source object */ + /* No conversions for all other types. Just attach the source object */ status = acpi_ns_attach_object(node, source_desc, source_desc->common.type); diff --git a/drivers/acpi/acpica/exstoren.c b/drivers/acpi/acpica/exstoren.c index b35bed5..87153bb 100644 --- a/drivers/acpi/acpica/exstoren.c +++ b/drivers/acpi/acpica/exstoren.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exstoren - AML Interpreter object store support, @@ -61,7 +60,7 @@ ACPI_MODULE_NAME("exstoren") * * RETURN: Status, resolved object in source_desc_ptr. * - * DESCRIPTION: Resolve an object. If the object is a reference, dereference + * DESCRIPTION: Resolve an object. If the object is a reference, dereference * it and return the actual object in the source_desc_ptr. * ******************************************************************************/ @@ -93,7 +92,7 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr, /* * Stores into a Field/Region or into a Integer/Buffer/String - * are all essentially the same. This case handles the + * are all essentially the same. This case handles the * "interchangeable" types Integer, String, and Buffer. */ if (source_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) { @@ -167,7 +166,7 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr, * * RETURN: Status * - * DESCRIPTION: "Store" an object to another object. This may include + * DESCRIPTION: "Store" an object to another object. This may include * converting the source type to the target type (implicit * conversion), and a copy of the value of the source to * the target. @@ -178,14 +177,14 @@ acpi_ex_resolve_object(union acpi_operand_object **source_desc_ptr, * with the input value. * * When storing into an object the data is converted to the - * target object type then stored in the object. This means + * target object type then stored in the object. This means * that the target object type (for an initialized target) will * not be changed by a store operation. * * This module allows destination types of Number, String, * Buffer, and Package. * - * Assumes parameters are already validated. NOTE: source_desc + * Assumes parameters are already validated. NOTE: source_desc * resolution (from a reference object) must be performed by * the caller if necessary. * diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c index 53c2484..b5f339c 100644 --- a/drivers/acpi/acpica/exstorob.c +++ b/drivers/acpi/acpica/exstorob.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exstorob - AML Interpreter object store support, store to object @@ -108,7 +107,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc, #ifdef ACPI_OBSOLETE_BEHAVIOR /* * NOTE: ACPI versions up to 3.0 specified that the buffer must be - * truncated if the string is smaller than the buffer. However, "other" + * truncated if the string is smaller than the buffer. However, "other" * implementations of ACPI never did this and thus became the defacto * standard. ACPI 3.0A changes this behavior such that the buffer * is no longer truncated. @@ -117,7 +116,7 @@ acpi_ex_store_buffer_to_buffer(union acpi_operand_object *source_desc, /* * OBSOLETE BEHAVIOR: * If the original source was a string, we must truncate the buffer, - * according to the ACPI spec. Integer-to-Buffer and Buffer-to-Buffer + * according to the ACPI spec. Integer-to-Buffer and Buffer-to-Buffer * copy must not truncate the original buffer. */ if (original_src_type == ACPI_TYPE_STRING) { diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c index b760641..c8a0ad5 100644 --- a/drivers/acpi/acpica/exsystem.c +++ b/drivers/acpi/acpica/exsystem.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exsystem - Interface to OS services @@ -59,7 +58,7 @@ ACPI_MODULE_NAME("exsystem") * RETURN: Status * * DESCRIPTION: Implements a semaphore wait with a check to see if the - * semaphore is available immediately. If it is not, the + * semaphore is available immediately. If it is not, the * interpreter is released before waiting. * ******************************************************************************/ @@ -104,7 +103,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) * RETURN: Status * * DESCRIPTION: Implements a mutex wait with a check to see if the - * mutex is available immediately. If it is not, the + * mutex is available immediately. If it is not, the * interpreter is released before waiting. * ******************************************************************************/ @@ -152,7 +151,7 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout) * DESCRIPTION: Suspend running thread for specified amount of time. * Note: ACPI specification requires that Stall() does not * relinquish the processor, and delays longer than 100 usec - * should use Sleep() instead. We allow stalls up to 255 usec + * should use Sleep() instead. We allow stalls up to 255 usec * for compatibility with other interpreters and existing BIOSs. * ******************************************************************************/ @@ -254,7 +253,7 @@ acpi_status acpi_ex_system_signal_event(union acpi_operand_object * obj_desc) * RETURN: Status * * DESCRIPTION: Provides an access point to perform synchronization operations - * within the AML. This operation is a request to wait for an + * within the AML. This operation is a request to wait for an * event. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c index d1ab791..264d22d 100644 --- a/drivers/acpi/acpica/exutils.c +++ b/drivers/acpi/acpica/exutils.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: exutils - interpreter/scanner utilities @@ -45,12 +44,12 @@ /* * DEFINE_AML_GLOBALS is tested in amlcode.h * to determine whether certain global names should be "defined" or only - * "declared" in the current compilation. This enhances maintainability + * "declared" in the current compilation. This enhances maintainability * by enabling a single header file to embody all knowledge of the names * in question. * * Exactly one module of any executable should #define DEFINE_GLOBALS - * before #including the header files which use this convention. The + * before #including the header files which use this convention. The * names in question will be defined and initialized in that module, * and declared as extern in all other modules which #include those * header files. diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c index a1e71d0..90a9aea 100644 --- a/drivers/acpi/acpica/hwacpi.c +++ b/drivers/acpi/acpica/hwacpi.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: hwacpi - ACPI Hardware Initialization/Mode Interface @@ -136,7 +135,7 @@ acpi_status acpi_hw_set_mode(u32 mode) * * RETURN: SYS_MODE_ACPI or SYS_MODE_LEGACY * - * DESCRIPTION: Return current operating state of system. Determined by + * DESCRIPTION: Return current operating state of system. Determined by * querying the SCI_EN bit. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c index db40765..6456004 100644 --- a/drivers/acpi/acpica/hwgpe.c +++ b/drivers/acpi/acpica/hwgpe.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: hwgpe - Low level GPE enable/disable/clear functions @@ -339,7 +338,8 @@ acpi_hw_clear_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, acpi_status acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, - struct acpi_gpe_block_info *gpe_block, void *context) + struct acpi_gpe_block_info * gpe_block, + void *context) { u32 i; acpi_status status; diff --git a/drivers/acpi/acpica/hwpci.c b/drivers/acpi/acpica/hwpci.c index 1455ddc..65bc345 100644 --- a/drivers/acpi/acpica/hwpci.c +++ b/drivers/acpi/acpica/hwpci.c @@ -259,7 +259,7 @@ acpi_hw_process_pci_list(struct acpi_pci_id *pci_id, status = acpi_hw_get_pci_device_info(pci_id, info->device, &bus_number, &is_bridge); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + return (status); } info = info->next; @@ -271,7 +271,7 @@ acpi_hw_process_pci_list(struct acpi_pci_id *pci_id, pci_id->segment, pci_id->bus, pci_id->device, pci_id->function, status, bus_number, is_bridge)); - return_ACPI_STATUS(AE_OK); + return (AE_OK); } /******************************************************************************* diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c index 4af6d20..f4e5750 100644 --- a/drivers/acpi/acpica/hwregs.c +++ b/drivers/acpi/acpica/hwregs.c @@ -1,4 +1,3 @@ - /******************************************************************************* * * Module Name: hwregs - Read/write access functions for the various ACPI diff --git a/drivers/acpi/acpica/hwtimer.c b/drivers/acpi/acpica/hwtimer.c index b6411f1..bfdce22 100644 --- a/drivers/acpi/acpica/hwtimer.c +++ b/drivers/acpi/acpica/hwtimer.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Name: hwtimer.c - ACPI Power Management Timer Interface @@ -101,8 +100,7 @@ acpi_status acpi_get_timer(u32 * ticks) return_ACPI_STATUS(AE_BAD_PARAMETER); } - status = - acpi_hw_read(ticks, &acpi_gbl_FADT.xpm_timer_block); + status = acpi_hw_read(ticks, &acpi_gbl_FADT.xpm_timer_block); return_ACPI_STATUS(status); } @@ -129,7 +127,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_timer) * a versatile and accurate timer. * * Note that this function accommodates only a single timer - * rollover. Thus for 24-bit timers, this function should only + * rollover. Thus for 24-bit timers, this function should only * be used for calculating durations less than ~4.6 seconds * (~20 minutes for 32-bit timers) -- calculations below: * diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c index c99d546..b6aae58 100644 --- a/drivers/acpi/acpica/hwvalid.c +++ b/drivers/acpi/acpica/hwvalid.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: hwvalid - I/O request validation diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c index 7bfd649..05a154c 100644 --- a/drivers/acpi/acpica/hwxface.c +++ b/drivers/acpi/acpica/hwxface.c @@ -1,4 +1,3 @@ - /****************************************************************************** * * Module Name: hwxface - Public ACPICA hardware interfaces diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index 0ff1ece..ae443fe2 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -49,8 +49,7 @@ ACPI_MODULE_NAME("hwxfsleep") /* Local prototypes */ -static acpi_status -acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id); +static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id); /* * Dispatch table used to efficiently branch to the various sleep @@ -234,8 +233,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios) * function. * ******************************************************************************/ -static acpi_status -acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id) +static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id) { acpi_status status; struct acpi_sleep_functions *sleep_functions = @@ -369,8 +367,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) return_ACPI_STATUS(AE_AML_OPERAND_VALUE); } - status = - acpi_hw_sleep_dispatch(sleep_state, ACPI_SLEEP_FUNCTION_ID); + status = acpi_hw_sleep_dispatch(sleep_state, ACPI_SLEEP_FUNCTION_ID); return_ACPI_STATUS(status); } @@ -396,8 +393,7 @@ acpi_status acpi_leave_sleep_state_prep(u8 sleep_state) ACPI_FUNCTION_TRACE(acpi_leave_sleep_state_prep); status = - acpi_hw_sleep_dispatch(sleep_state, - ACPI_WAKE_PREP_FUNCTION_ID); + acpi_hw_sleep_dispatch(sleep_state, ACPI_WAKE_PREP_FUNCTION_ID); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c index 23db53c..d70eaf3 100644 --- a/drivers/acpi/acpica/nsaccess.c +++ b/drivers/acpi/acpica/nsaccess.c @@ -110,11 +110,11 @@ acpi_status acpi_ns_root_initialize(void) status = acpi_ns_lookup(NULL, init_val->name, init_val->type, ACPI_IMODE_LOAD_PASS2, ACPI_NS_NO_UPSEARCH, NULL, &new_node); - - if (ACPI_FAILURE(status) || (!new_node)) { /* Must be on same line for code converter */ + if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not create predefined name %s", init_val->name)); + continue; } /* @@ -179,8 +179,7 @@ acpi_status acpi_ns_root_initialize(void) /* Build an object around the static string */ - obj_desc->string.length = - (u32) ACPI_STRLEN(val); + obj_desc->string.length = (u32)ACPI_STRLEN(val); obj_desc->string.pointer = val; obj_desc->common.flags |= AOPOBJ_STATIC_POINTER; break; diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c index ac389e5..15143c4 100644 --- a/drivers/acpi/acpica/nsalloc.c +++ b/drivers/acpi/acpica/nsalloc.c @@ -332,7 +332,7 @@ void acpi_ns_delete_children(struct acpi_namespace_node *parent_node) * * RETURN: None. * - * DESCRIPTION: Delete a subtree of the namespace. This includes all objects + * DESCRIPTION: Delete a subtree of the namespace. This includes all objects * stored within the subtree. * ******************************************************************************/ @@ -418,7 +418,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node) * RETURN: Status * * DESCRIPTION: Delete entries within the namespace that are owned by a - * specific ID. Used to delete entire ACPI tables. All + * specific ID. Used to delete entire ACPI tables. All * reference counts are updated. * * MUTEX: Locks namespace during deletion walk. diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c index 2526aaf..924b3c7 100644 --- a/drivers/acpi/acpica/nsdump.c +++ b/drivers/acpi/acpica/nsdump.c @@ -209,14 +209,6 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, "Invalid ACPI Object Type 0x%08X", type)); } - if (!acpi_ut_valid_acpi_name(this_node->name.integer)) { - this_node->name.integer = - acpi_ut_repair_name(this_node->name.ascii); - - ACPI_WARNING((AE_INFO, "Invalid ACPI Name %08X", - this_node->name.integer)); - } - acpi_os_printf("%4.4s", acpi_ut_get_node_name(this_node)); } @@ -700,7 +692,7 @@ void acpi_ns_dump_entry(acpi_handle handle, u32 debug_level) * * PARAMETERS: search_base - Root of subtree to be dumped, or * NS_ALL to dump the entire namespace - * max_depth - Maximum depth of dump. Use INT_MAX + * max_depth - Maximum depth of dump. Use INT_MAX * for an effectively unlimited depth. * * RETURN: None diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index 95ffe8d..4328e2a 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -96,8 +96,8 @@ acpi_status acpi_ns_initialize_objects(void) /* Walk entire namespace from the supplied root */ status = acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, acpi_ns_init_one_object, NULL, - &info, NULL); + ACPI_UINT32_MAX, acpi_ns_init_one_object, + NULL, &info, NULL); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace")); } diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c index 76935ff..911f991 100644 --- a/drivers/acpi/acpica/nsload.c +++ b/drivers/acpi/acpica/nsload.c @@ -80,8 +80,8 @@ acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node) /* * Parse the table and load the namespace with all named - * objects found within. Control methods are NOT parsed - * at this time. In fact, the control methods cannot be + * objects found within. Control methods are NOT parsed + * at this time. In fact, the control methods cannot be * parsed until the entire namespace is loaded, because * if a control method makes a forward reference (call) * to another control method, we can't continue parsing @@ -122,7 +122,7 @@ acpi_ns_load_table(u32 table_index, struct acpi_namespace_node *node) } /* - * Now we can parse the control methods. We always parse + * Now we can parse the control methods. We always parse * them here for a sanity check, and if configured for * just-in-time parsing, we delete the control method * parse trees. @@ -166,7 +166,7 @@ acpi_status acpi_ns_load_namespace(void) } /* - * Load the namespace. The DSDT is required, + * Load the namespace. The DSDT is required, * but the SSDT and PSDT tables are optional. */ status = acpi_ns_load_table_by_type(ACPI_TABLE_ID_DSDT); @@ -283,7 +283,7 @@ static acpi_status acpi_ns_delete_subtree(acpi_handle start_handle) * RETURN: Status * * DESCRIPTION: Shrinks the namespace, typically in response to an undocking - * event. Deletes an entire subtree starting from (and + * event. Deletes an entire subtree starting from (and * including) the given handle. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c index 96e0eb6..55a175e 100644 --- a/drivers/acpi/acpica/nsnames.c +++ b/drivers/acpi/acpica/nsnames.c @@ -195,7 +195,7 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node) ACPI_ERROR((AE_INFO, "Invalid Namespace Node (%p) while traversing namespace", next_node)); - return 0; + return (0); } size += ACPI_PATH_SEGMENT_LENGTH; next_node = next_node->parent; diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c index d6c9a3c..e69f7fa 100644 --- a/drivers/acpi/acpica/nsobject.c +++ b/drivers/acpi/acpica/nsobject.c @@ -61,7 +61,7 @@ ACPI_MODULE_NAME("nsobject") * RETURN: Status * * DESCRIPTION: Record the given object as the value associated with the - * name whose acpi_handle is passed. If Object is NULL + * name whose acpi_handle is passed. If Object is NULL * and Type is ACPI_TYPE_ANY, set the name as having no value. * Note: Future may require that the Node->Flags field be passed * as a parameter. @@ -133,7 +133,7 @@ acpi_ns_attach_object(struct acpi_namespace_node *node, ((struct acpi_namespace_node *)object)->object) { /* * Value passed is a name handle and that name has a - * non-null value. Use that name's value and type. + * non-null value. Use that name's value and type. */ obj_desc = ((struct acpi_namespace_node *)object)->object; object_type = ((struct acpi_namespace_node *)object)->type; @@ -321,7 +321,7 @@ union acpi_operand_object *acpi_ns_get_secondary_object(union * * RETURN: Status * - * DESCRIPTION: Low-level attach data. Create and attach a Data object. + * DESCRIPTION: Low-level attach data. Create and attach a Data object. * ******************************************************************************/ @@ -377,7 +377,7 @@ acpi_ns_attach_data(struct acpi_namespace_node *node, * * RETURN: Status * - * DESCRIPTION: Low-level detach data. Delete the data node, but the caller + * DESCRIPTION: Low-level detach data. Delete the data node, but the caller * is responsible for the actual data. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c index ec7ba2d..233f756 100644 --- a/drivers/acpi/acpica/nsparse.c +++ b/drivers/acpi/acpica/nsparse.c @@ -168,11 +168,11 @@ acpi_ns_parse_table(u32 table_index, struct acpi_namespace_node *start_node) /* * AML Parse, pass 1 * - * In this pass, we load most of the namespace. Control methods - * are not parsed until later. A parse tree is not created. Instead, - * each Parser Op subtree is deleted when it is finished. This saves + * In this pass, we load most of the namespace. Control methods + * are not parsed until later. A parse tree is not created. Instead, + * each Parser Op subtree is deleted when it is finished. This saves * a great deal of memory, and allows a small cache of parse objects - * to service the entire parse. The second pass of the parse then + * to service the entire parse. The second pass of the parse then * performs another complete parse of the AML. */ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "**** Start pass 1\n")); diff --git a/drivers/acpi/acpica/nssearch.c b/drivers/acpi/acpica/nssearch.c index 456cc85..1d2d8ff 100644 --- a/drivers/acpi/acpica/nssearch.c +++ b/drivers/acpi/acpica/nssearch.c @@ -314,22 +314,7 @@ acpi_ns_search_and_enter(u32 target_name, * this problem, and we want to be able to enable ACPI support for them, * even though there are a few bad names. */ - if (!acpi_ut_valid_acpi_name(target_name)) { - target_name = - acpi_ut_repair_name(ACPI_CAST_PTR(char, &target_name)); - - /* Report warning only if in strict mode or debug mode */ - - if (!acpi_gbl_enable_interpreter_slack) { - ACPI_WARNING((AE_INFO, - "Found bad character(s) in name, repaired: [%4.4s]\n", - ACPI_CAST_PTR(char, &target_name))); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Found bad character(s) in name, repaired: [%4.4s]\n", - ACPI_CAST_PTR(char, &target_name))); - } - } + acpi_ut_repair_name(ACPI_CAST_PTR(char, &target_name)); /* Try to find the name in the namespace level specified by the caller */ diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c index ef753a4..b5b4cb7 100644 --- a/drivers/acpi/acpica/nsutils.c +++ b/drivers/acpi/acpica/nsutils.c @@ -530,7 +530,7 @@ acpi_ns_externalize_name(u32 internal_name_length, ((num_segments > 0) ? (num_segments - 1) : 0) + 1; /* - * Check to see if we're still in bounds. If not, there's a problem + * Check to see if we're still in bounds. If not, there's a problem * with internal_name (invalid format). */ if (required_length > internal_name_length) { @@ -557,10 +557,14 @@ acpi_ns_externalize_name(u32 internal_name_length, (*converted_name)[j++] = '.'; } - (*converted_name)[j++] = internal_name[names_index++]; - (*converted_name)[j++] = internal_name[names_index++]; - (*converted_name)[j++] = internal_name[names_index++]; - (*converted_name)[j++] = internal_name[names_index++]; + /* Copy and validate the 4-char name segment */ + + ACPI_MOVE_NAME(&(*converted_name)[j], + &internal_name[names_index]); + acpi_ut_repair_name(&(*converted_name)[j]); + + j += ACPI_NAME_SIZE; + names_index += ACPI_NAME_SIZE; } } @@ -681,7 +685,7 @@ u32 acpi_ns_opens_scope(acpi_object_type type) * \ (backslash) and ^ (carat) prefixes, and the * . (period) to separate segments are supported. * prefix_node - Root of subtree to be searched, or NS_ALL for the - * root of the name space. If Name is fully + * root of the name space. If Name is fully * qualified (first s8 is '\'), the passed value * of Scope will not be accessed. * flags - Used to indicate whether to perform upsearch or @@ -689,7 +693,7 @@ u32 acpi_ns_opens_scope(acpi_object_type type) * return_node - Where the Node is returned * * DESCRIPTION: Look up a name relative to a given scope and return the - * corresponding Node. NOTE: Scope can be null. + * corresponding Node. NOTE: Scope can be null. * * MUTEX: Locks namespace * diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c index 730bccc..0483877 100644 --- a/drivers/acpi/acpica/nswalk.c +++ b/drivers/acpi/acpica/nswalk.c @@ -60,8 +60,8 @@ ACPI_MODULE_NAME("nswalk") * RETURN: struct acpi_namespace_node - Pointer to the NEXT child or NULL if * none is found. * - * DESCRIPTION: Return the next peer node within the namespace. If Handle - * is valid, Scope is ignored. Otherwise, the first node + * DESCRIPTION: Return the next peer node within the namespace. If Handle + * is valid, Scope is ignored. Otherwise, the first node * within Scope is returned. * ******************************************************************************/ @@ -97,8 +97,8 @@ struct acpi_namespace_node *acpi_ns_get_next_node(struct acpi_namespace_node * RETURN: struct acpi_namespace_node - Pointer to the NEXT child or NULL if * none is found. * - * DESCRIPTION: Return the next peer node within the namespace. If Handle - * is valid, Scope is ignored. Otherwise, the first node + * DESCRIPTION: Return the next peer node within the namespace. If Handle + * is valid, Scope is ignored. Otherwise, the first node * within Scope is returned. * ******************************************************************************/ @@ -305,7 +305,7 @@ acpi_ns_walk_namespace(acpi_object_type type, /* * Depth first search: Attempt to go down another level in the - * namespace if we are allowed to. Don't go any further if we have + * namespace if we are allowed to. Don't go any further if we have * reached the caller specified maximum depth or if the user * function has specified that the maximum depth has been reached. */ diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c index 9692e67..d6a9f77 100644 --- a/drivers/acpi/acpica/nsxfeval.c +++ b/drivers/acpi/acpica/nsxfeval.c @@ -61,16 +61,16 @@ static void acpi_ns_resolve_references(struct acpi_evaluate_info *info); * PARAMETERS: handle - Object handle (optional) * pathname - Object pathname (optional) * external_params - List of parameters to pass to method, - * terminated by NULL. May be NULL + * terminated by NULL. May be NULL * if no parameters are being passed. * return_buffer - Where to put method's return value (if - * any). If NULL, no value is returned. + * any). If NULL, no value is returned. * return_type - Expected type of return object * * RETURN: Status * * DESCRIPTION: Find and evaluate the given object, passing the given - * parameters if necessary. One of "Handle" or "Pathname" must + * parameters if necessary. One of "Handle" or "Pathname" must * be valid (non-null) * ******************************************************************************/ @@ -155,15 +155,15 @@ ACPI_EXPORT_SYMBOL(acpi_evaluate_object_typed) * PARAMETERS: handle - Object handle (optional) * pathname - Object pathname (optional) * external_params - List of parameters to pass to method, - * terminated by NULL. May be NULL + * terminated by NULL. May be NULL * if no parameters are being passed. * return_buffer - Where to put method's return value (if - * any). If NULL, no value is returned. + * any). If NULL, no value is returned. * * RETURN: Status * * DESCRIPTION: Find and evaluate the given object, passing the given - * parameters if necessary. One of "Handle" or "Pathname" must + * parameters if necessary. One of "Handle" or "Pathname" must * be valid (non-null) * ******************************************************************************/ @@ -542,15 +542,15 @@ acpi_ns_get_device_callback(acpi_handle obj_handle, acpi_status status; struct acpi_namespace_node *node; u32 flags; - struct acpica_device_id *hid; - struct acpica_device_id_list *cid; + struct acpi_pnp_device_id *hid; + struct acpi_pnp_device_id_list *cid; u32 i; u8 found; int no_match; status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { - return (status); + return_ACPI_STATUS(status); } node = acpi_ns_validate_handle(obj_handle); @@ -656,7 +656,7 @@ acpi_ns_get_device_callback(acpi_handle obj_handle, * DESCRIPTION: Performs a modified depth-first walk of the namespace tree, * starting (and ending) at the object specified by start_handle. * The user_function is called whenever an object of type - * Device is found. If the user function returns + * Device is found. If the user function returns * a non-zero value, the search is terminated immediately and this * value is returned to the caller. * diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index 08e9610..811c6f1 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -53,8 +53,8 @@ ACPI_MODULE_NAME("nsxfname") /* Local prototypes */ -static char *acpi_ns_copy_device_id(struct acpica_device_id *dest, - struct acpica_device_id *source, +static char *acpi_ns_copy_device_id(struct acpi_pnp_device_id *dest, + struct acpi_pnp_device_id *source, char *string_area); /****************************************************************************** @@ -69,8 +69,8 @@ static char *acpi_ns_copy_device_id(struct acpica_device_id *dest, * RETURN: Status * * DESCRIPTION: This routine will search for a caller specified name in the - * name space. The caller can restrict the search region by - * specifying a non NULL parent. The parent value is itself a + * name space. The caller can restrict the search region by + * specifying a non NULL parent. The parent value is itself a * namespace handle. * ******************************************************************************/ @@ -149,7 +149,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_handle) * RETURN: Pointer to a string containing the fully qualified Name. * * DESCRIPTION: This routine returns the fully qualified name associated with - * the Handle parameter. This and the acpi_pathname_to_handle are + * the Handle parameter. This and the acpi_pathname_to_handle are * complementary functions. * ******************************************************************************/ @@ -202,8 +202,7 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer) /* Just copy the ACPI name from the Node and zero terminate it */ - ACPI_STRNCPY(buffer->pointer, acpi_ut_get_node_name(node), - ACPI_NAME_SIZE); + ACPI_MOVE_NAME(buffer->pointer, acpi_ut_get_node_name(node)); ((char *)buffer->pointer)[ACPI_NAME_SIZE] = 0; status = AE_OK; @@ -219,20 +218,21 @@ ACPI_EXPORT_SYMBOL(acpi_get_name) * * FUNCTION: acpi_ns_copy_device_id * - * PARAMETERS: dest - Pointer to the destination DEVICE_ID - * source - Pointer to the source DEVICE_ID + * PARAMETERS: dest - Pointer to the destination PNP_DEVICE_ID + * source - Pointer to the source PNP_DEVICE_ID * string_area - Pointer to where to copy the dest string * * RETURN: Pointer to the next string area * - * DESCRIPTION: Copy a single DEVICE_ID, including the string data. + * DESCRIPTION: Copy a single PNP_DEVICE_ID, including the string data. * ******************************************************************************/ -static char *acpi_ns_copy_device_id(struct acpica_device_id *dest, - struct acpica_device_id *source, +static char *acpi_ns_copy_device_id(struct acpi_pnp_device_id *dest, + struct acpi_pnp_device_id *source, char *string_area) { - /* Create the destination DEVICE_ID */ + + /* Create the destination PNP_DEVICE_ID */ dest->string = string_area; dest->length = source->length; @@ -256,8 +256,8 @@ static char *acpi_ns_copy_device_id(struct acpica_device_id *dest, * namespace node and possibly by running several standard * control methods (Such as in the case of a device.) * - * For Device and Processor objects, run the Device _HID, _UID, _CID, _STA, - * _ADR, _sx_w, and _sx_d methods. + * For Device and Processor objects, run the Device _HID, _UID, _CID, _SUB, + * _STA, _ADR, _sx_w, and _sx_d methods. * * Note: Allocates the return buffer, must be freed by the caller. * @@ -269,9 +269,10 @@ acpi_get_object_info(acpi_handle handle, { struct acpi_namespace_node *node; struct acpi_device_info *info; - struct acpica_device_id_list *cid_list = NULL; - struct acpica_device_id *hid = NULL; - struct acpica_device_id *uid = NULL; + struct acpi_pnp_device_id_list *cid_list = NULL; + struct acpi_pnp_device_id *hid = NULL; + struct acpi_pnp_device_id *uid = NULL; + struct acpi_pnp_device_id *sub = NULL; char *next_id_string; acpi_object_type type; acpi_name name; @@ -316,7 +317,7 @@ acpi_get_object_info(acpi_handle handle, if ((type == ACPI_TYPE_DEVICE) || (type == ACPI_TYPE_PROCESSOR)) { /* * Get extra info for ACPI Device/Processor objects only: - * Run the Device _HID, _UID, and _CID methods. + * Run the Device _HID, _UID, _SUB, and _CID methods. * * Note: none of these methods are required, so they may or may * not be present for this device. The Info->Valid bitfield is used @@ -339,6 +340,14 @@ acpi_get_object_info(acpi_handle handle, valid |= ACPI_VALID_UID; } + /* Execute the Device._SUB method */ + + status = acpi_ut_execute_SUB(node, &sub); + if (ACPI_SUCCESS(status)) { + info_size += sub->length; + valid |= ACPI_VALID_SUB; + } + /* Execute the Device._CID method */ status = acpi_ut_execute_CID(node, &cid_list); @@ -348,7 +357,7 @@ acpi_get_object_info(acpi_handle handle, info_size += (cid_list->list_size - - sizeof(struct acpica_device_id_list)); + sizeof(struct acpi_pnp_device_id_list)); valid |= ACPI_VALID_CID; } } @@ -418,16 +427,17 @@ acpi_get_object_info(acpi_handle handle, next_id_string = ACPI_CAST_PTR(char, info->compatible_id_list.ids); if (cid_list) { - /* Point past the CID DEVICE_ID array */ + /* Point past the CID PNP_DEVICE_ID array */ next_id_string += ((acpi_size) cid_list->count * - sizeof(struct acpica_device_id)); + sizeof(struct acpi_pnp_device_id)); } /* - * Copy the HID, UID, and CIDs to the return buffer. The variable-length - * strings are copied to the reserved area at the end of the buffer. + * Copy the HID, UID, SUB, and CIDs to the return buffer. + * The variable-length strings are copied to the reserved area + * at the end of the buffer. * * For HID and CID, check if the ID is a PCI Root Bridge. */ @@ -445,6 +455,11 @@ acpi_get_object_info(acpi_handle handle, uid, next_id_string); } + if (sub) { + next_id_string = acpi_ns_copy_device_id(&info->subsystem_id, + sub, next_id_string); + } + if (cid_list) { info->compatible_id_list.count = cid_list->count; info->compatible_id_list.list_size = cid_list->list_size; @@ -481,6 +496,9 @@ acpi_get_object_info(acpi_handle handle, if (uid) { ACPI_FREE(uid); } + if (sub) { + ACPI_FREE(sub); + } if (cid_list) { ACPI_FREE(cid_list); } diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c index 6766fc4..9d029da 100644 --- a/drivers/acpi/acpica/nsxfobj.c +++ b/drivers/acpi/acpica/nsxfobj.c @@ -220,8 +220,8 @@ ACPI_EXPORT_SYMBOL(acpi_get_parent) * * RETURN: Status * - * DESCRIPTION: Return the next peer object within the namespace. If Handle is - * valid, Scope is ignored. Otherwise, the first object within + * DESCRIPTION: Return the next peer object within the namespace. If Handle is + * valid, Scope is ignored. Otherwise, the first object within * Scope is returned. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 844464c..cb79e2d 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -120,7 +120,7 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state) * RETURN: Pointer to end-of-package +1 * * DESCRIPTION: Get next package length and return a pointer past the end of - * the package. Consumes the package length field + * the package. Consumes the package length field * ******************************************************************************/ @@ -147,8 +147,8 @@ u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state) * RETURN: Pointer to the start of the name string (pointer points into * the AML. * - * DESCRIPTION: Get next raw namestring within the AML stream. Handles all name - * prefix characters. Set parser state to point past the string. + * DESCRIPTION: Get next raw namestring within the AML stream. Handles all name + * prefix characters. Set parser state to point past the string. * (Name is consumed from the AML.) * ******************************************************************************/ @@ -220,7 +220,7 @@ char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state) * * DESCRIPTION: Get next name (if method call, return # of required args). * Names are looked up in the internal namespace to determine - * if the name represents a control method. If a method + * if the name represents a control method. If a method * is found, the number of arguments to the method is returned. * This information is critical for parsing to continue correctly. * diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c index 799162c..5607805 100644 --- a/drivers/acpi/acpica/psloop.c +++ b/drivers/acpi/acpica/psloop.c @@ -133,18 +133,46 @@ static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state) case AML_CLASS_UNKNOWN: - /* The opcode is unrecognized. Just skip unknown opcodes */ + /* The opcode is unrecognized. Complain and skip unknown opcodes */ - ACPI_ERROR((AE_INFO, - "Found unknown opcode 0x%X at AML address %p offset 0x%X, ignoring", - walk_state->opcode, walk_state->parser_state.aml, - walk_state->aml_offset)); + if (walk_state->pass_number == 2) { + ACPI_ERROR((AE_INFO, + "Unknown opcode 0x%.2X at table offset 0x%.4X, ignoring", + walk_state->opcode, + (u32)(walk_state->aml_offset + + sizeof(struct acpi_table_header)))); - ACPI_DUMP_BUFFER(walk_state->parser_state.aml, 128); + ACPI_DUMP_BUFFER(walk_state->parser_state.aml - 16, 48); - /* Assume one-byte bad opcode */ +#ifdef ACPI_ASL_COMPILER + /* + * This is executed for the disassembler only. Output goes + * to the disassembled ASL output file. + */ + acpi_os_printf + ("/*\nError: Unknown opcode 0x%.2X at table offset 0x%.4X, context:\n", + walk_state->opcode, + (u32)(walk_state->aml_offset + + sizeof(struct acpi_table_header))); + + /* Dump the context surrounding the invalid opcode */ + + acpi_ut_dump_buffer(((u8 *)walk_state->parser_state. + aml - 16), 48, DB_BYTE_DISPLAY, + walk_state->aml_offset + + sizeof(struct acpi_table_header) - + 16); + acpi_os_printf(" */\n"); +#endif + } + + /* Increment past one-byte or two-byte opcode */ walk_state->parser_state.aml++; + if (walk_state->opcode > 0xFF) { /* Can only happen if first byte is 0x5B */ + walk_state->parser_state.aml++; + } + return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE); default: @@ -519,11 +547,18 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state, if ((op_info->class == AML_CLASS_EXECUTE) && (!arg)) { ACPI_WARNING((AE_INFO, - "Detected an unsupported executable opcode " - "at module-level: [0x%.4X] at table offset 0x%.4X", - op->common.aml_opcode, - (u32)((aml_op_start - walk_state->parser_state.aml_start) - + sizeof(struct acpi_table_header)))); + "Unsupported module-level executable opcode " + "0x%.2X at table offset 0x%.4X", + op->common. + aml_opcode, + (u32) + (ACPI_PTR_DIFF + (aml_op_start, + walk_state-> + parser_state. + aml_start) + + sizeof(struct + acpi_table_header)))); } } break; @@ -843,8 +878,6 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state, *op = NULL; } - ACPI_PREEMPTION_POINT(); - return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/psopcode.c b/drivers/acpi/acpica/psopcode.c index ed1d457..1793d93 100644 --- a/drivers/acpi/acpica/psopcode.c +++ b/drivers/acpi/acpica/psopcode.c @@ -59,7 +59,7 @@ static const u8 acpi_gbl_argument_count[] = * * DESCRIPTION: Opcode table. Each entry contains <opcode, type, name, operands> * The name is a simple ascii string, the operand specifier is an - * ascii string with one letter per operand. The letter specifies + * ascii string with one letter per operand. The letter specifies * the operand type. * ******************************************************************************/ @@ -183,7 +183,7 @@ static const u8 acpi_gbl_argument_count[] = ******************************************************************************/ /* - * Master Opcode information table. A summary of everything we know about each + * Master Opcode information table. A summary of everything we know about each * opcode, all in one place. */ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = { @@ -392,10 +392,12 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = { AML_FLAGS_EXEC_1A_0T_1R | AML_NO_OPERAND_RESOLVE), /* 38 */ ACPI_OP("LAnd", ARGP_LAND_OP, ARGI_LAND_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, - AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | AML_CONSTANT), + AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | + AML_CONSTANT), /* 39 */ ACPI_OP("LOr", ARGP_LOR_OP, ARGI_LOR_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R, - AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | AML_CONSTANT), + AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | + AML_CONSTANT), /* 3A */ ACPI_OP("LNot", ARGP_LNOT_OP, ARGI_LNOT_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R, AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT), @@ -495,7 +497,8 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = { AML_NSNODE | AML_NAMED | AML_DEFER), /* 59 */ ACPI_OP("Field", ARGP_FIELD_OP, ARGI_FIELD_OP, ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD), + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_FIELD), /* 5A */ ACPI_OP("Device", ARGP_DEVICE_OP, ARGI_DEVICE_OP, ACPI_TYPE_DEVICE, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_NO_OBJ, @@ -519,12 +522,13 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = { /* 5E */ ACPI_OP("IndexField", ARGP_INDEX_FIELD_OP, ARGI_INDEX_FIELD_OP, ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD), + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_FIELD), /* 5F */ ACPI_OP("BankField", ARGP_BANK_FIELD_OP, ARGI_BANK_FIELD_OP, - ACPI_TYPE_LOCAL_BANK_FIELD, AML_CLASS_NAMED_OBJECT, - AML_TYPE_NAMED_FIELD, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD | - AML_DEFER), + ACPI_TYPE_LOCAL_BANK_FIELD, + AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD, + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_FIELD | AML_DEFER), /* Internal opcodes that map to invalid AML opcodes */ @@ -632,7 +636,8 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = { /* 7D */ ACPI_OP("[EvalSubTree]", ARGP_SCOPE_OP, ARGI_SCOPE_OP, ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_NO_OBJ, - AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE), + AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | + AML_NSNODE), /* ACPI 3.0 opcodes */ @@ -695,7 +700,7 @@ static const u8 acpi_gbl_short_op_index[256] = { /* * This table is indexed by the second opcode of the extended opcode - * pair. It returns an index into the opcode table (acpi_gbl_aml_op_info) + * pair. It returns an index into the opcode table (acpi_gbl_aml_op_info) */ static const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = { /* 0 1 2 3 4 5 6 7 */ diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c index 0198570..2494caf 100644 --- a/drivers/acpi/acpica/psparse.c +++ b/drivers/acpi/acpica/psparse.c @@ -43,9 +43,9 @@ /* * Parse the AML and build an operation tree as most interpreters, - * like Perl, do. Parsing is done by hand rather than with a YACC + * like Perl, do. Parsing is done by hand rather than with a YACC * generated parser to tightly constrain stack and dynamic memory - * usage. At the same time, parsing is kept flexible and the code + * usage. At the same time, parsing is kept flexible and the code * fairly compact by parsing based on a list of AML opcode * templates in aml_op_info[] */ @@ -379,7 +379,7 @@ acpi_ps_next_parse_state(struct acpi_walk_state *walk_state, case AE_CTRL_FALSE: /* * Either an IF/WHILE Predicate was false or we encountered a BREAK - * opcode. In both cases, we do not execute the rest of the + * opcode. In both cases, we do not execute the rest of the * package; We simply close out the parent (finishing the walk of * this branch of the tree) and continue execution at the parent * level. @@ -459,8 +459,9 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) /* Executing a control method - additional cleanup */ - acpi_ds_terminate_control_method( - walk_state->method_desc, walk_state); + acpi_ds_terminate_control_method(walk_state-> + method_desc, + walk_state); } acpi_ds_delete_walk_state(walk_state); @@ -487,7 +488,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) acpi_gbl_current_walk_list = thread; /* - * Execute the walk loop as long as there is a valid Walk State. This + * Execute the walk loop as long as there is a valid Walk State. This * handles nested control method invocations without recursion. */ ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "State=%p\n", walk_state)); diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c index 8736ad5..4137dcb 100644 --- a/drivers/acpi/acpica/psutils.c +++ b/drivers/acpi/acpica/psutils.c @@ -108,7 +108,7 @@ void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode) * RETURN: Pointer to the new Op, null on failure * * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on - * opcode. A cache of opcodes is available for the pure + * opcode. A cache of opcodes is available for the pure * GENERIC_OP, since this is by far the most commonly used. * ******************************************************************************/ @@ -164,7 +164,7 @@ union acpi_parse_object *acpi_ps_alloc_op(u16 opcode) * * RETURN: None. * - * DESCRIPTION: Free an Op object. Either put it on the GENERIC_OP cache list + * DESCRIPTION: Free an Op object. Either put it on the GENERIC_OP cache list * or actually free it. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c index de12469..147feb6 100644 --- a/drivers/acpi/acpica/rscalc.c +++ b/drivers/acpi/acpica/rscalc.c @@ -457,6 +457,15 @@ acpi_rs_get_list_length(u8 * aml_buffer, * Get the number of vendor data bytes */ extra_struct_bytes = resource_length; + + /* + * There is already one byte included in the minimum + * descriptor size. If there are extra struct bytes, + * subtract one from the count. + */ + if (extra_struct_bytes) { + extra_struct_bytes--; + } break; case ACPI_RESOURCE_NAME_END_TAG: @@ -601,7 +610,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object, /* * Calculate the size of the return buffer. * The base size is the number of elements * the sizes of the - * structures. Additional space for the strings is added below. + * structures. Additional space for the strings is added below. * The minus one is to subtract the size of the u8 Source[1] * member because it is added below. * @@ -664,8 +673,7 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object, (*sub_object_list)->string. length + 1); } else { - temp_size_needed += - acpi_ns_get_pathname_length((*sub_object_list)->reference.node); + temp_size_needed += acpi_ns_get_pathname_length((*sub_object_list)->reference.node); } } else { /* diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c index 46b5324..8b64db9 100644 --- a/drivers/acpi/acpica/rslist.c +++ b/drivers/acpi/acpica/rslist.c @@ -109,7 +109,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml, ACPI_ERROR((AE_INFO, "Invalid/unsupported resource descriptor: Type 0x%2.2X", resource_index)); - return (AE_AML_INVALID_RESOURCE_TYPE); + return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE); } /* Convert the AML byte stream resource to a local resource struct */ @@ -200,7 +200,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource, ACPI_ERROR((AE_INFO, "Invalid/unsupported resource descriptor: Type 0x%2.2X", resource->type)); - return (AE_AML_INVALID_RESOURCE_TYPE); + return_ACPI_STATUS(AE_AML_INVALID_RESOURCE_TYPE); } status = acpi_rs_convert_resource_to_aml(resource, diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c index 57deae1..77d1db2 100644 --- a/drivers/acpi/acpica/tbfind.c +++ b/drivers/acpi/acpica/tbfind.c @@ -77,7 +77,7 @@ acpi_tb_find_table(char *signature, /* Normalize the input strings */ ACPI_MEMSET(&header, 0, sizeof(struct acpi_table_header)); - ACPI_STRNCPY(header.signature, signature, ACPI_NAME_SIZE); + ACPI_MOVE_NAME(header.signature, signature); ACPI_STRNCPY(header.oem_id, oem_id, ACPI_OEM_ID_SIZE); ACPI_STRNCPY(header.oem_table_id, oem_table_id, ACPI_OEM_TABLE_ID_SIZE); diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index 70f9d78..f540ae4 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -526,6 +526,8 @@ void acpi_tb_terminate(void) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI Tables freed\n")); (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); + + return_VOID; } /******************************************************************************* diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index b6cea30..285e24b 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -354,7 +354,7 @@ u8 acpi_tb_checksum(u8 *buffer, u32 length) sum = (u8) (sum + *(buffer++)); } - return sum; + return (sum); } /******************************************************************************* diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index 2110126..f563278 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -236,7 +236,7 @@ acpi_get_table_header(char *signature, sizeof(struct acpi_table_header)); if (!header) { - return AE_NO_MEMORY; + return (AE_NO_MEMORY); } ACPI_MEMCPY(out_table_header, header, sizeof(struct acpi_table_header)); @@ -244,7 +244,7 @@ acpi_get_table_header(char *signature, sizeof(struct acpi_table_header)); } else { - return AE_NOT_FOUND; + return (AE_NOT_FOUND); } } else { ACPI_MEMCPY(out_table_header, diff --git a/drivers/acpi/acpica/tbxfload.c b/drivers/acpi/acpica/tbxfload.c index f87cc63..a5e1e4e 100644 --- a/drivers/acpi/acpica/tbxfload.c +++ b/drivers/acpi/acpica/tbxfload.c @@ -211,7 +211,7 @@ static acpi_status acpi_tb_load_namespace(void) * DESCRIPTION: Dynamically load an ACPI table from the caller's buffer. Must * be a valid ACPI table with a valid ACPI table header. * Note1: Mainly intended to support hotplug addition of SSDTs. - * Note2: Does not copy the incoming table. User is reponsible + * Note2: Does not copy the incoming table. User is responsible * to ensure that the table is not deleted or unmapped. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c index 74e7208..28f3302 100644 --- a/drivers/acpi/acpica/tbxfroot.c +++ b/drivers/acpi/acpica/tbxfroot.c @@ -67,7 +67,6 @@ static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp); static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp) { - ACPI_FUNCTION_ENTRY(); /* * The signature and checksum must both be correct @@ -108,7 +107,7 @@ static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp) * RETURN: Status, RSDP physical address * * DESCRIPTION: Search lower 1Mbyte of memory for the root system descriptor - * pointer structure. If it is found, set *RSDP to point to it. + * pointer structure. If it is found, set *RSDP to point to it. * * NOTE1: The RSDP must be either in the first 1K of the Extended * BIOS Data Area or between E0000 and FFFFF (From ACPI Spec.) diff --git a/drivers/acpi/acpica/utcache.c b/drivers/acpi/acpica/utcache.c new file mode 100644 index 0000000..e1d40ed --- /dev/null +++ b/drivers/acpi/acpica/utcache.c @@ -0,0 +1,323 @@ +/****************************************************************************** + * + * Module Name: utcache - local cache allocation routines + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("utcache") + +#ifdef ACPI_USE_LOCAL_CACHE +/******************************************************************************* + * + * FUNCTION: acpi_os_create_cache + * + * PARAMETERS: cache_name - Ascii name for the cache + * object_size - Size of each cached object + * max_depth - Maximum depth of the cache (in objects) + * return_cache - Where the new cache object is returned + * + * RETURN: Status + * + * DESCRIPTION: Create a cache object + * + ******************************************************************************/ +acpi_status +acpi_os_create_cache(char *cache_name, + u16 object_size, + u16 max_depth, struct acpi_memory_list ** return_cache) +{ + struct acpi_memory_list *cache; + + ACPI_FUNCTION_ENTRY(); + + if (!cache_name || !return_cache || (object_size < 16)) { + return (AE_BAD_PARAMETER); + } + + /* Create the cache object */ + + cache = acpi_os_allocate(sizeof(struct acpi_memory_list)); + if (!cache) { + return (AE_NO_MEMORY); + } + + /* Populate the cache object and return it */ + + ACPI_MEMSET(cache, 0, sizeof(struct acpi_memory_list)); + cache->link_offset = 8; + cache->list_name = cache_name; + cache->object_size = object_size; + cache->max_depth = max_depth; + + *return_cache = cache; + return (AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_os_purge_cache + * + * PARAMETERS: cache - Handle to cache object + * + * RETURN: Status + * + * DESCRIPTION: Free all objects within the requested cache. + * + ******************************************************************************/ + +acpi_status acpi_os_purge_cache(struct acpi_memory_list * cache) +{ + char *next; + acpi_status status; + + ACPI_FUNCTION_ENTRY(); + + if (!cache) { + return (AE_BAD_PARAMETER); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Walk the list of objects in this cache */ + + while (cache->list_head) { + + /* Delete and unlink one cached state object */ + + next = *(ACPI_CAST_INDIRECT_PTR(char, + &(((char *)cache-> + list_head)[cache-> + link_offset]))); + ACPI_FREE(cache->list_head); + + cache->list_head = next; + cache->current_depth--; + } + + (void)acpi_ut_release_mutex(ACPI_MTX_CACHES); + return (AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_os_delete_cache + * + * PARAMETERS: cache - Handle to cache object + * + * RETURN: Status + * + * DESCRIPTION: Free all objects within the requested cache and delete the + * cache object. + * + ******************************************************************************/ + +acpi_status acpi_os_delete_cache(struct acpi_memory_list * cache) +{ + acpi_status status; + + ACPI_FUNCTION_ENTRY(); + + /* Purge all objects in the cache */ + + status = acpi_os_purge_cache(cache); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Now we can delete the cache object */ + + acpi_os_free(cache); + return (AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_os_release_object + * + * PARAMETERS: cache - Handle to cache object + * object - The object to be released + * + * RETURN: None + * + * DESCRIPTION: Release an object to the specified cache. If cache is full, + * the object is deleted. + * + ******************************************************************************/ + +acpi_status +acpi_os_release_object(struct acpi_memory_list * cache, void *object) +{ + acpi_status status; + + ACPI_FUNCTION_ENTRY(); + + if (!cache || !object) { + return (AE_BAD_PARAMETER); + } + + /* If cache is full, just free this object */ + + if (cache->current_depth >= cache->max_depth) { + ACPI_FREE(object); + ACPI_MEM_TRACKING(cache->total_freed++); + } + + /* Otherwise put this object back into the cache */ + + else { + status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Mark the object as cached */ + + ACPI_MEMSET(object, 0xCA, cache->object_size); + ACPI_SET_DESCRIPTOR_TYPE(object, ACPI_DESC_TYPE_CACHED); + + /* Put the object at the head of the cache list */ + + *(ACPI_CAST_INDIRECT_PTR(char, + &(((char *)object)[cache-> + link_offset]))) = + cache->list_head; + cache->list_head = object; + cache->current_depth++; + + (void)acpi_ut_release_mutex(ACPI_MTX_CACHES); + } + + return (AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_os_acquire_object + * + * PARAMETERS: cache - Handle to cache object + * + * RETURN: the acquired object. NULL on error + * + * DESCRIPTION: Get an object from the specified cache. If cache is empty, + * the object is allocated. + * + ******************************************************************************/ + +void *acpi_os_acquire_object(struct acpi_memory_list *cache) +{ + acpi_status status; + void *object; + + ACPI_FUNCTION_NAME(os_acquire_object); + + if (!cache) { + return (NULL); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES); + if (ACPI_FAILURE(status)) { + return (NULL); + } + + ACPI_MEM_TRACKING(cache->requests++); + + /* Check the cache first */ + + if (cache->list_head) { + + /* There is an object available, use it */ + + object = cache->list_head; + cache->list_head = *(ACPI_CAST_INDIRECT_PTR(char, + &(((char *) + object)[cache-> + link_offset]))); + + cache->current_depth--; + + ACPI_MEM_TRACKING(cache->hits++); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "Object %p from %s cache\n", object, + cache->list_name)); + + status = acpi_ut_release_mutex(ACPI_MTX_CACHES); + if (ACPI_FAILURE(status)) { + return (NULL); + } + + /* Clear (zero) the previously used Object */ + + ACPI_MEMSET(object, 0, cache->object_size); + } else { + /* The cache is empty, create a new object */ + + ACPI_MEM_TRACKING(cache->total_allocated++); + +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + if ((cache->total_allocated - cache->total_freed) > + cache->max_occupied) { + cache->max_occupied = + cache->total_allocated - cache->total_freed; + } +#endif + + /* Avoid deadlock with ACPI_ALLOCATE_ZEROED */ + + status = acpi_ut_release_mutex(ACPI_MTX_CACHES); + if (ACPI_FAILURE(status)) { + return (NULL); + } + + object = ACPI_ALLOCATE_ZEROED(cache->object_size); + if (!object) { + return (NULL); + } + } + + return (object); +} +#endif /* ACPI_USE_LOCAL_CACHE */ diff --git a/drivers/acpi/acpica/utclib.c b/drivers/acpi/acpica/utclib.c new file mode 100644 index 0000000..19ea4755 --- /dev/null +++ b/drivers/acpi/acpica/utclib.c @@ -0,0 +1,749 @@ +/****************************************************************************** + * + * Module Name: cmclib - Local implementation of C library functions + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" + +/* + * These implementations of standard C Library routines can optionally be + * used if a C library is not available. In general, they are less efficient + * than an inline or assembly implementation + */ + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("cmclib") + +#ifndef ACPI_USE_SYSTEM_CLIBRARY +#define NEGATIVE 1 +#define POSITIVE 0 +/******************************************************************************* + * + * FUNCTION: acpi_ut_memcmp (memcmp) + * + * PARAMETERS: buffer1 - First Buffer + * buffer2 - Second Buffer + * count - Maximum # of bytes to compare + * + * RETURN: Index where Buffers mismatched, or 0 if Buffers matched + * + * DESCRIPTION: Compare two Buffers, with a maximum length + * + ******************************************************************************/ +int acpi_ut_memcmp(const char *buffer1, const char *buffer2, acpi_size count) +{ + + return ((count == ACPI_SIZE_MAX) ? 0 : ((unsigned char)*buffer1 - + (unsigned char)*buffer2)); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_memcpy (memcpy) + * + * PARAMETERS: dest - Target of the copy + * src - Source buffer to copy + * count - Number of bytes to copy + * + * RETURN: Dest + * + * DESCRIPTION: Copy arbitrary bytes of memory + * + ******************************************************************************/ + +void *acpi_ut_memcpy(void *dest, const void *src, acpi_size count) +{ + char *new = (char *)dest; + char *old = (char *)src; + + while (count) { + *new = *old; + new++; + old++; + count--; + } + + return (dest); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_memset (memset) + * + * PARAMETERS: dest - Buffer to set + * value - Value to set each byte of memory + * count - Number of bytes to set + * + * RETURN: Dest + * + * DESCRIPTION: Initialize a buffer to a known value. + * + ******************************************************************************/ + +void *acpi_ut_memset(void *dest, u8 value, acpi_size count) +{ + char *new = (char *)dest; + + while (count) { + *new = (char)value; + new++; + count--; + } + + return (dest); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strlen (strlen) + * + * PARAMETERS: string - Null terminated string + * + * RETURN: Length + * + * DESCRIPTION: Returns the length of the input string + * + ******************************************************************************/ + +acpi_size acpi_ut_strlen(const char *string) +{ + u32 length = 0; + + /* Count the string until a null is encountered */ + + while (*string) { + length++; + string++; + } + + return (length); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strcpy (strcpy) + * + * PARAMETERS: dst_string - Target of the copy + * src_string - The source string to copy + * + * RETURN: dst_string + * + * DESCRIPTION: Copy a null terminated string + * + ******************************************************************************/ + +char *acpi_ut_strcpy(char *dst_string, const char *src_string) +{ + char *string = dst_string; + + /* Move bytes brute force */ + + while (*src_string) { + *string = *src_string; + + string++; + src_string++; + } + + /* Null terminate */ + + *string = 0; + return (dst_string); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strncpy (strncpy) + * + * PARAMETERS: dst_string - Target of the copy + * src_string - The source string to copy + * count - Maximum # of bytes to copy + * + * RETURN: dst_string + * + * DESCRIPTION: Copy a null terminated string, with a maximum length + * + ******************************************************************************/ + +char *acpi_ut_strncpy(char *dst_string, const char *src_string, acpi_size count) +{ + char *string = dst_string; + + /* Copy the string */ + + for (string = dst_string; + count && (count--, (*string++ = *src_string++));) {; + } + + /* Pad with nulls if necessary */ + + while (count--) { + *string = 0; + string++; + } + + /* Return original pointer */ + + return (dst_string); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strcmp (strcmp) + * + * PARAMETERS: string1 - First string + * string2 - Second string + * + * RETURN: Index where strings mismatched, or 0 if strings matched + * + * DESCRIPTION: Compare two null terminated strings + * + ******************************************************************************/ + +int acpi_ut_strcmp(const char *string1, const char *string2) +{ + + for (; (*string1 == *string2); string2++) { + if (!*string1++) { + return (0); + } + } + + return ((unsigned char)*string1 - (unsigned char)*string2); +} + +#ifdef ACPI_FUTURE_IMPLEMENTATION +/* Not used at this time */ +/******************************************************************************* + * + * FUNCTION: acpi_ut_strchr (strchr) + * + * PARAMETERS: string - Search string + * ch - character to search for + * + * RETURN: Ptr to char or NULL if not found + * + * DESCRIPTION: Search a string for a character + * + ******************************************************************************/ + +char *acpi_ut_strchr(const char *string, int ch) +{ + + for (; (*string); string++) { + if ((*string) == (char)ch) { + return ((char *)string); + } + } + + return (NULL); +} +#endif + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strncmp (strncmp) + * + * PARAMETERS: string1 - First string + * string2 - Second string + * count - Maximum # of bytes to compare + * + * RETURN: Index where strings mismatched, or 0 if strings matched + * + * DESCRIPTION: Compare two null terminated strings, with a maximum length + * + ******************************************************************************/ + +int acpi_ut_strncmp(const char *string1, const char *string2, acpi_size count) +{ + + for (; count-- && (*string1 == *string2); string2++) { + if (!*string1++) { + return (0); + } + } + + return ((count == ACPI_SIZE_MAX) ? 0 : ((unsigned char)*string1 - + (unsigned char)*string2)); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strcat (Strcat) + * + * PARAMETERS: dst_string - Target of the copy + * src_string - The source string to copy + * + * RETURN: dst_string + * + * DESCRIPTION: Append a null terminated string to a null terminated string + * + ******************************************************************************/ + +char *acpi_ut_strcat(char *dst_string, const char *src_string) +{ + char *string; + + /* Find end of the destination string */ + + for (string = dst_string; *string++;) {; + } + + /* Concatenate the string */ + + for (--string; (*string++ = *src_string++);) {; + } + + return (dst_string); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strncat (strncat) + * + * PARAMETERS: dst_string - Target of the copy + * src_string - The source string to copy + * count - Maximum # of bytes to copy + * + * RETURN: dst_string + * + * DESCRIPTION: Append a null terminated string to a null terminated string, + * with a maximum count. + * + ******************************************************************************/ + +char *acpi_ut_strncat(char *dst_string, const char *src_string, acpi_size count) +{ + char *string; + + if (count) { + + /* Find end of the destination string */ + + for (string = dst_string; *string++;) {; + } + + /* Concatenate the string */ + + for (--string; (*string++ = *src_string++) && --count;) {; + } + + /* Null terminate if necessary */ + + if (!count) { + *string = 0; + } + } + + return (dst_string); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strstr (strstr) + * + * PARAMETERS: string1 - Target string + * string2 - Substring to search for + * + * RETURN: Where substring match starts, Null if no match found + * + * DESCRIPTION: Checks if String2 occurs in String1. This is not really a + * full implementation of strstr, only sufficient for command + * matching + * + ******************************************************************************/ + +char *acpi_ut_strstr(char *string1, char *string2) +{ + char *string; + + if (acpi_ut_strlen(string2) > acpi_ut_strlen(string1)) { + return (NULL); + } + + /* Walk entire string, comparing the letters */ + + for (string = string1; *string2;) { + if (*string2 != *string) { + return (NULL); + } + + string2++; + string++; + } + + return (string1); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strtoul (strtoul) + * + * PARAMETERS: string - Null terminated string + * terminater - Where a pointer to the terminating byte is + * returned + * base - Radix of the string + * + * RETURN: Converted value + * + * DESCRIPTION: Convert a string into a 32-bit unsigned value. + * Note: use acpi_ut_strtoul64 for 64-bit integers. + * + ******************************************************************************/ + +u32 acpi_ut_strtoul(const char *string, char **terminator, u32 base) +{ + u32 converted = 0; + u32 index; + u32 sign; + const char *string_start; + u32 return_value = 0; + acpi_status status = AE_OK; + + /* + * Save the value of the pointer to the buffer's first + * character, save the current errno value, and then + * skip over any white space in the buffer: + */ + string_start = string; + while (ACPI_IS_SPACE(*string) || *string == '\t') { + ++string; + } + + /* + * The buffer may contain an optional plus or minus sign. + * If it does, then skip over it but remember what is was: + */ + if (*string == '-') { + sign = NEGATIVE; + ++string; + } else if (*string == '+') { + ++string; + sign = POSITIVE; + } else { + sign = POSITIVE; + } + + /* + * If the input parameter Base is zero, then we need to + * determine if it is octal, decimal, or hexadecimal: + */ + if (base == 0) { + if (*string == '0') { + if (acpi_ut_to_lower(*(++string)) == 'x') { + base = 16; + ++string; + } else { + base = 8; + } + } else { + base = 10; + } + } else if (base < 2 || base > 36) { + /* + * The specified Base parameter is not in the domain of + * this function: + */ + goto done; + } + + /* + * For octal and hexadecimal bases, skip over the leading + * 0 or 0x, if they are present. + */ + if (base == 8 && *string == '0') { + string++; + } + + if (base == 16 && + *string == '0' && acpi_ut_to_lower(*(++string)) == 'x') { + string++; + } + + /* + * Main loop: convert the string to an unsigned long: + */ + while (*string) { + if (ACPI_IS_DIGIT(*string)) { + index = (u32)((u8)*string - '0'); + } else { + index = (u32)acpi_ut_to_upper(*string); + if (ACPI_IS_UPPER(index)) { + index = index - 'A' + 10; + } else { + goto done; + } + } + + if (index >= base) { + goto done; + } + + /* + * Check to see if value is out of range: + */ + + if (return_value > ((ACPI_UINT32_MAX - (u32)index) / (u32)base)) { + status = AE_ERROR; + return_value = 0; /* reset */ + } else { + return_value *= base; + return_value += index; + converted = 1; + } + + ++string; + } + + done: + /* + * If appropriate, update the caller's pointer to the next + * unconverted character in the buffer. + */ + if (terminator) { + if (converted == 0 && return_value == 0 && string != NULL) { + *terminator = (char *)string_start; + } else { + *terminator = (char *)string; + } + } + + if (status == AE_ERROR) { + return_value = ACPI_UINT32_MAX; + } + + /* + * If a minus sign was present, then "the conversion is negated": + */ + if (sign == NEGATIVE) { + return_value = (ACPI_UINT32_MAX - return_value) + 1; + } + + return (return_value); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_to_upper (TOUPPER) + * + * PARAMETERS: c - Character to convert + * + * RETURN: Converted character as an int + * + * DESCRIPTION: Convert character to uppercase + * + ******************************************************************************/ + +int acpi_ut_to_upper(int c) +{ + + return (ACPI_IS_LOWER(c) ? ((c) - 0x20) : (c)); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_to_lower (TOLOWER) + * + * PARAMETERS: c - Character to convert + * + * RETURN: Converted character as an int + * + * DESCRIPTION: Convert character to lowercase + * + ******************************************************************************/ + +int acpi_ut_to_lower(int c) +{ + + return (ACPI_IS_UPPER(c) ? ((c) + 0x20) : (c)); +} + +/******************************************************************************* + * + * FUNCTION: is* functions + * + * DESCRIPTION: is* functions use the ctype table below + * + ******************************************************************************/ + +const u8 _acpi_ctype[257] = { + _ACPI_CN, /* 0x00 0 NUL */ + _ACPI_CN, /* 0x01 1 SOH */ + _ACPI_CN, /* 0x02 2 STX */ + _ACPI_CN, /* 0x03 3 ETX */ + _ACPI_CN, /* 0x04 4 EOT */ + _ACPI_CN, /* 0x05 5 ENQ */ + _ACPI_CN, /* 0x06 6 ACK */ + _ACPI_CN, /* 0x07 7 BEL */ + _ACPI_CN, /* 0x08 8 BS */ + _ACPI_CN | _ACPI_SP, /* 0x09 9 TAB */ + _ACPI_CN | _ACPI_SP, /* 0x0A 10 LF */ + _ACPI_CN | _ACPI_SP, /* 0x0B 11 VT */ + _ACPI_CN | _ACPI_SP, /* 0x0C 12 FF */ + _ACPI_CN | _ACPI_SP, /* 0x0D 13 CR */ + _ACPI_CN, /* 0x0E 14 SO */ + _ACPI_CN, /* 0x0F 15 SI */ + _ACPI_CN, /* 0x10 16 DLE */ + _ACPI_CN, /* 0x11 17 DC1 */ + _ACPI_CN, /* 0x12 18 DC2 */ + _ACPI_CN, /* 0x13 19 DC3 */ + _ACPI_CN, /* 0x14 20 DC4 */ + _ACPI_CN, /* 0x15 21 NAK */ + _ACPI_CN, /* 0x16 22 SYN */ + _ACPI_CN, /* 0x17 23 ETB */ + _ACPI_CN, /* 0x18 24 CAN */ + _ACPI_CN, /* 0x19 25 EM */ + _ACPI_CN, /* 0x1A 26 SUB */ + _ACPI_CN, /* 0x1B 27 ESC */ + _ACPI_CN, /* 0x1C 28 FS */ + _ACPI_CN, /* 0x1D 29 GS */ + _ACPI_CN, /* 0x1E 30 RS */ + _ACPI_CN, /* 0x1F 31 US */ + _ACPI_XS | _ACPI_SP, /* 0x20 32 ' ' */ + _ACPI_PU, /* 0x21 33 '!' */ + _ACPI_PU, /* 0x22 34 '"' */ + _ACPI_PU, /* 0x23 35 '#' */ + _ACPI_PU, /* 0x24 36 '$' */ + _ACPI_PU, /* 0x25 37 '%' */ + _ACPI_PU, /* 0x26 38 '&' */ + _ACPI_PU, /* 0x27 39 ''' */ + _ACPI_PU, /* 0x28 40 '(' */ + _ACPI_PU, /* 0x29 41 ')' */ + _ACPI_PU, /* 0x2A 42 '*' */ + _ACPI_PU, /* 0x2B 43 '+' */ + _ACPI_PU, /* 0x2C 44 ',' */ + _ACPI_PU, /* 0x2D 45 '-' */ + _ACPI_PU, /* 0x2E 46 '.' */ + _ACPI_PU, /* 0x2F 47 '/' */ + _ACPI_XD | _ACPI_DI, /* 0x30 48 '0' */ + _ACPI_XD | _ACPI_DI, /* 0x31 49 '1' */ + _ACPI_XD | _ACPI_DI, /* 0x32 50 '2' */ + _ACPI_XD | _ACPI_DI, /* 0x33 51 '3' */ + _ACPI_XD | _ACPI_DI, /* 0x34 52 '4' */ + _ACPI_XD | _ACPI_DI, /* 0x35 53 '5' */ + _ACPI_XD | _ACPI_DI, /* 0x36 54 '6' */ + _ACPI_XD | _ACPI_DI, /* 0x37 55 '7' */ + _ACPI_XD | _ACPI_DI, /* 0x38 56 '8' */ + _ACPI_XD | _ACPI_DI, /* 0x39 57 '9' */ + _ACPI_PU, /* 0x3A 58 ':' */ + _ACPI_PU, /* 0x3B 59 ';' */ + _ACPI_PU, /* 0x3C 60 '<' */ + _ACPI_PU, /* 0x3D 61 '=' */ + _ACPI_PU, /* 0x3E 62 '>' */ + _ACPI_PU, /* 0x3F 63 '?' */ + _ACPI_PU, /* 0x40 64 '@' */ + _ACPI_XD | _ACPI_UP, /* 0x41 65 'A' */ + _ACPI_XD | _ACPI_UP, /* 0x42 66 'B' */ + _ACPI_XD | _ACPI_UP, /* 0x43 67 'C' */ + _ACPI_XD | _ACPI_UP, /* 0x44 68 'D' */ + _ACPI_XD | _ACPI_UP, /* 0x45 69 'E' */ + _ACPI_XD | _ACPI_UP, /* 0x46 70 'F' */ + _ACPI_UP, /* 0x47 71 'G' */ + _ACPI_UP, /* 0x48 72 'H' */ + _ACPI_UP, /* 0x49 73 'I' */ + _ACPI_UP, /* 0x4A 74 'J' */ + _ACPI_UP, /* 0x4B 75 'K' */ + _ACPI_UP, /* 0x4C 76 'L' */ + _ACPI_UP, /* 0x4D 77 'M' */ + _ACPI_UP, /* 0x4E 78 'N' */ + _ACPI_UP, /* 0x4F 79 'O' */ + _ACPI_UP, /* 0x50 80 'P' */ + _ACPI_UP, /* 0x51 81 'Q' */ + _ACPI_UP, /* 0x52 82 'R' */ + _ACPI_UP, /* 0x53 83 'S' */ + _ACPI_UP, /* 0x54 84 'T' */ + _ACPI_UP, /* 0x55 85 'U' */ + _ACPI_UP, /* 0x56 86 'V' */ + _ACPI_UP, /* 0x57 87 'W' */ + _ACPI_UP, /* 0x58 88 'X' */ + _ACPI_UP, /* 0x59 89 'Y' */ + _ACPI_UP, /* 0x5A 90 'Z' */ + _ACPI_PU, /* 0x5B 91 '[' */ + _ACPI_PU, /* 0x5C 92 '\' */ + _ACPI_PU, /* 0x5D 93 ']' */ + _ACPI_PU, /* 0x5E 94 '^' */ + _ACPI_PU, /* 0x5F 95 '_' */ + _ACPI_PU, /* 0x60 96 '`' */ + _ACPI_XD | _ACPI_LO, /* 0x61 97 'a' */ + _ACPI_XD | _ACPI_LO, /* 0x62 98 'b' */ + _ACPI_XD | _ACPI_LO, /* 0x63 99 'c' */ + _ACPI_XD | _ACPI_LO, /* 0x64 100 'd' */ + _ACPI_XD | _ACPI_LO, /* 0x65 101 'e' */ + _ACPI_XD | _ACPI_LO, /* 0x66 102 'f' */ + _ACPI_LO, /* 0x67 103 'g' */ + _ACPI_LO, /* 0x68 104 'h' */ + _ACPI_LO, /* 0x69 105 'i' */ + _ACPI_LO, /* 0x6A 106 'j' */ + _ACPI_LO, /* 0x6B 107 'k' */ + _ACPI_LO, /* 0x6C 108 'l' */ + _ACPI_LO, /* 0x6D 109 'm' */ + _ACPI_LO, /* 0x6E 110 'n' */ + _ACPI_LO, /* 0x6F 111 'o' */ + _ACPI_LO, /* 0x70 112 'p' */ + _ACPI_LO, /* 0x71 113 'q' */ + _ACPI_LO, /* 0x72 114 'r' */ + _ACPI_LO, /* 0x73 115 's' */ + _ACPI_LO, /* 0x74 116 't' */ + _ACPI_LO, /* 0x75 117 'u' */ + _ACPI_LO, /* 0x76 118 'v' */ + _ACPI_LO, /* 0x77 119 'w' */ + _ACPI_LO, /* 0x78 120 'x' */ + _ACPI_LO, /* 0x79 121 'y' */ + _ACPI_LO, /* 0x7A 122 'z' */ + _ACPI_PU, /* 0x7B 123 '{' */ + _ACPI_PU, /* 0x7C 124 '|' */ + _ACPI_PU, /* 0x7D 125 '}' */ + _ACPI_PU, /* 0x7E 126 '~' */ + _ACPI_CN, /* 0x7F 127 DEL */ + + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x80 to 0x8F */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x90 to 0x9F */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xA0 to 0xAF */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xB0 to 0xBF */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xC0 to 0xCF */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xD0 to 0xDF */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xE0 to 0xEF */ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xF0 to 0xFF */ + 0 /* 0x100 */ +}; + +#endif /* ACPI_USE_SYSTEM_CLIBRARY */ diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c index e810894..5d95166 100644 --- a/drivers/acpi/acpica/utdebug.c +++ b/drivers/acpi/acpica/utdebug.c @@ -47,8 +47,9 @@ #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utdebug") + #ifdef ACPI_DEBUG_OUTPUT -static acpi_thread_id acpi_gbl_prev_thread_id; +static acpi_thread_id acpi_gbl_prev_thread_id = (acpi_thread_id) 0xFFFFFFFF; static char *acpi_gbl_fn_entry_str = "----Entry"; static char *acpi_gbl_fn_exit_str = "----Exit-"; @@ -109,7 +110,7 @@ void acpi_ut_track_stack_ptr(void) * RETURN: Updated pointer to the function name * * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present. - * This allows compiler macros such as __func__ to be used + * This allows compiler macros such as __FUNCTION__ to be used * with no change to the debug output. * ******************************************************************************/ @@ -222,7 +223,7 @@ ACPI_EXPORT_SYMBOL(acpi_debug_print) * * RETURN: None * - * DESCRIPTION: Print message with no headers. Has same interface as + * DESCRIPTION: Print message with no headers. Has same interface as * debug_print so that the same macros can be used. * ******************************************************************************/ @@ -258,7 +259,7 @@ ACPI_EXPORT_SYMBOL(acpi_debug_print_raw) * * RETURN: None * - * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is + * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * ******************************************************************************/ @@ -290,7 +291,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_trace) * * RETURN: None * - * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is + * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * ******************************************************************************/ @@ -299,6 +300,7 @@ acpi_ut_trace_ptr(u32 line_number, const char *function_name, const char *module_name, u32 component_id, void *pointer) { + acpi_gbl_nesting_level++; acpi_ut_track_stack_ptr(); @@ -319,7 +321,7 @@ acpi_ut_trace_ptr(u32 line_number, * * RETURN: None * - * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is + * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * ******************************************************************************/ @@ -350,7 +352,7 @@ acpi_ut_trace_str(u32 line_number, * * RETURN: None * - * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is + * DESCRIPTION: Function entry trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * ******************************************************************************/ @@ -380,7 +382,7 @@ acpi_ut_trace_u32(u32 line_number, * * RETURN: None * - * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is + * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level * ******************************************************************************/ @@ -412,7 +414,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_exit) * * RETURN: None * - * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is + * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level. Prints exit status also. * ******************************************************************************/ @@ -453,7 +455,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_status_exit) * * RETURN: None * - * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is + * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level. Prints exit value also. * ******************************************************************************/ @@ -485,7 +487,7 @@ ACPI_EXPORT_SYMBOL(acpi_ut_value_exit) * * RETURN: None * - * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is + * DESCRIPTION: Function exit trace. Prints only if TRACE_FUNCTIONS bit is * set in debug_level. Prints exit value also. * ******************************************************************************/ @@ -511,7 +513,7 @@ acpi_ut_ptr_exit(u32 line_number, * PARAMETERS: buffer - Buffer to dump * count - Amount to dump, in bytes * display - BYTE, WORD, DWORD, or QWORD display - * component_ID - Caller's component ID + * offset - Beginning buffer offset (display only) * * RETURN: None * @@ -519,7 +521,7 @@ acpi_ut_ptr_exit(u32 line_number, * ******************************************************************************/ -void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) +void acpi_ut_dump_buffer(u8 *buffer, u32 count, u32 display, u32 base_offset) { u32 i = 0; u32 j; @@ -541,7 +543,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) /* Print current offset */ - acpi_os_printf("%6.4X: ", i); + acpi_os_printf("%6.4X: ", (base_offset + i)); /* Print 16 hex chars */ @@ -623,7 +625,7 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) /******************************************************************************* * - * FUNCTION: acpi_ut_dump_buffer + * FUNCTION: acpi_ut_debug_dump_buffer * * PARAMETERS: buffer - Buffer to dump * count - Amount to dump, in bytes @@ -636,7 +638,8 @@ void acpi_ut_dump_buffer2(u8 * buffer, u32 count, u32 display) * ******************************************************************************/ -void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) +void +acpi_ut_debug_dump_buffer(u8 *buffer, u32 count, u32 display, u32 component_id) { /* Only dump the buffer if tracing is enabled */ @@ -646,5 +649,5 @@ void acpi_ut_dump_buffer(u8 * buffer, u32 count, u32 display, u32 component_id) return; } - acpi_ut_dump_buffer2(buffer, count, display); + acpi_ut_dump_buffer(buffer, count, display, 0); } diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c index 5d84e19..774c3ae 100644 --- a/drivers/acpi/acpica/utids.c +++ b/drivers/acpi/acpica/utids.c @@ -67,10 +67,10 @@ ACPI_MODULE_NAME("utids") ******************************************************************************/ acpi_status acpi_ut_execute_HID(struct acpi_namespace_node *device_node, - struct acpica_device_id **return_id) + struct acpi_pnp_device_id **return_id) { union acpi_operand_object *obj_desc; - struct acpica_device_id *hid; + struct acpi_pnp_device_id *hid; u32 length; acpi_status status; @@ -94,16 +94,17 @@ acpi_ut_execute_HID(struct acpi_namespace_node *device_node, /* Allocate a buffer for the HID */ hid = - ACPI_ALLOCATE_ZEROED(sizeof(struct acpica_device_id) + + ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) + (acpi_size) length); if (!hid) { status = AE_NO_MEMORY; goto cleanup; } - /* Area for the string starts after DEVICE_ID struct */ + /* Area for the string starts after PNP_DEVICE_ID struct */ - hid->string = ACPI_ADD_PTR(char, hid, sizeof(struct acpica_device_id)); + hid->string = + ACPI_ADD_PTR(char, hid, sizeof(struct acpi_pnp_device_id)); /* Convert EISAID to a string or simply copy existing string */ @@ -126,6 +127,73 @@ cleanup: /******************************************************************************* * + * FUNCTION: acpi_ut_execute_SUB + * + * PARAMETERS: device_node - Node for the device + * return_id - Where the _SUB is returned + * + * RETURN: Status + * + * DESCRIPTION: Executes the _SUB control method that returns the subsystem + * ID of the device. The _SUB value is always a string containing + * either a valid PNP or ACPI ID. + * + * NOTE: Internal function, no parameter validation + * + ******************************************************************************/ + +acpi_status +acpi_ut_execute_SUB(struct acpi_namespace_node *device_node, + struct acpi_pnp_device_id **return_id) +{ + union acpi_operand_object *obj_desc; + struct acpi_pnp_device_id *sub; + u32 length; + acpi_status status; + + ACPI_FUNCTION_TRACE(ut_execute_SUB); + + status = acpi_ut_evaluate_object(device_node, METHOD_NAME__SUB, + ACPI_BTYPE_STRING, &obj_desc); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Get the size of the String to be returned, includes null terminator */ + + length = obj_desc->string.length + 1; + + /* Allocate a buffer for the SUB */ + + sub = + ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) + + (acpi_size) length); + if (!sub) { + status = AE_NO_MEMORY; + goto cleanup; + } + + /* Area for the string starts after PNP_DEVICE_ID struct */ + + sub->string = + ACPI_ADD_PTR(char, sub, sizeof(struct acpi_pnp_device_id)); + + /* Simply copy existing string */ + + ACPI_STRCPY(sub->string, obj_desc->string.pointer); + sub->length = length; + *return_id = sub; + + cleanup: + + /* On exit, we must delete the return object */ + + acpi_ut_remove_reference(obj_desc); + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * * FUNCTION: acpi_ut_execute_UID * * PARAMETERS: device_node - Node for the device @@ -144,10 +212,10 @@ cleanup: acpi_status acpi_ut_execute_UID(struct acpi_namespace_node *device_node, - struct acpica_device_id **return_id) + struct acpi_pnp_device_id **return_id) { union acpi_operand_object *obj_desc; - struct acpica_device_id *uid; + struct acpi_pnp_device_id *uid; u32 length; acpi_status status; @@ -171,16 +239,17 @@ acpi_ut_execute_UID(struct acpi_namespace_node *device_node, /* Allocate a buffer for the UID */ uid = - ACPI_ALLOCATE_ZEROED(sizeof(struct acpica_device_id) + + ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) + (acpi_size) length); if (!uid) { status = AE_NO_MEMORY; goto cleanup; } - /* Area for the string starts after DEVICE_ID struct */ + /* Area for the string starts after PNP_DEVICE_ID struct */ - uid->string = ACPI_ADD_PTR(char, uid, sizeof(struct acpica_device_id)); + uid->string = + ACPI_ADD_PTR(char, uid, sizeof(struct acpi_pnp_device_id)); /* Convert an Integer to string, or just copy an existing string */ @@ -226,11 +295,11 @@ cleanup: acpi_status acpi_ut_execute_CID(struct acpi_namespace_node *device_node, - struct acpica_device_id_list **return_cid_list) + struct acpi_pnp_device_id_list **return_cid_list) { union acpi_operand_object **cid_objects; union acpi_operand_object *obj_desc; - struct acpica_device_id_list *cid_list; + struct acpi_pnp_device_id_list *cid_list; char *next_id_string; u32 string_area_size; u32 length; @@ -288,11 +357,12 @@ acpi_ut_execute_CID(struct acpi_namespace_node *device_node, /* * Now that we know the length of the CIDs, allocate return buffer: * 1) Size of the base structure + - * 2) Size of the CID DEVICE_ID array + + * 2) Size of the CID PNP_DEVICE_ID array + * 3) Size of the actual CID strings */ - cid_list_size = sizeof(struct acpica_device_id_list) + - ((count - 1) * sizeof(struct acpica_device_id)) + string_area_size; + cid_list_size = sizeof(struct acpi_pnp_device_id_list) + + ((count - 1) * sizeof(struct acpi_pnp_device_id)) + + string_area_size; cid_list = ACPI_ALLOCATE_ZEROED(cid_list_size); if (!cid_list) { @@ -300,10 +370,10 @@ acpi_ut_execute_CID(struct acpi_namespace_node *device_node, goto cleanup; } - /* Area for CID strings starts after the CID DEVICE_ID array */ + /* Area for CID strings starts after the CID PNP_DEVICE_ID array */ next_id_string = ACPI_CAST_PTR(char, cid_list->ids) + - ((acpi_size) count * sizeof(struct acpica_device_id)); + ((acpi_size) count * sizeof(struct acpi_pnp_device_id)); /* Copy/convert the CIDs to the return buffer */ diff --git a/drivers/acpi/acpica/utmath.c b/drivers/acpi/acpica/utmath.c index d88a8aa..4956367 100644 --- a/drivers/acpi/acpica/utmath.c +++ b/drivers/acpi/acpica/utmath.c @@ -81,7 +81,7 @@ typedef union uint64_overlay { * RETURN: Status (Checks for divide-by-zero) * * DESCRIPTION: Perform a short (maximum 64 bits divided by 32 bits) - * divide and modulo. The result is a 64-bit quotient and a + * divide and modulo. The result is a 64-bit quotient and a * 32-bit remainder. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c index 33c6cf7..9286a69 100644 --- a/drivers/acpi/acpica/utmisc.c +++ b/drivers/acpi/acpica/utmisc.c @@ -41,8 +41,6 @@ * POSSIBILITY OF SUCH DAMAGES. */ -#include <linux/module.h> - #include <acpi/acpi.h> #include "accommon.h" #include "acnamesp.h" @@ -201,8 +199,8 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) */ acpi_gbl_owner_id_mask[j] |= (1 << k); - acpi_gbl_last_owner_id_index = (u8) j; - acpi_gbl_next_owner_id_offset = (u8) (k + 1); + acpi_gbl_last_owner_id_index = (u8)j; + acpi_gbl_next_owner_id_offset = (u8)(k + 1); /* * Construct encoded ID from the index and bit position @@ -252,7 +250,7 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) * control method or unloading a table. Either way, we would * ignore any error anyway. * - * DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 255 + * DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 255 * ******************************************************************************/ @@ -339,6 +337,73 @@ void acpi_ut_strupr(char *src_string) return; } +#ifdef ACPI_ASL_COMPILER +/******************************************************************************* + * + * FUNCTION: acpi_ut_strlwr (strlwr) + * + * PARAMETERS: src_string - The source string to convert + * + * RETURN: None + * + * DESCRIPTION: Convert string to lowercase + * + * NOTE: This is not a POSIX function, so it appears here, not in utclib.c + * + ******************************************************************************/ + +void acpi_ut_strlwr(char *src_string) +{ + char *string; + + ACPI_FUNCTION_ENTRY(); + + if (!src_string) { + return; + } + + /* Walk entire string, lowercasing the letters */ + + for (string = src_string; *string; string++) { + *string = (char)ACPI_TOLOWER(*string); + } + + return; +} + +/****************************************************************************** + * + * FUNCTION: acpi_ut_stricmp + * + * PARAMETERS: string1 - first string to compare + * string2 - second string to compare + * + * RETURN: int that signifies string relationship. Zero means strings + * are equal. + * + * DESCRIPTION: Implementation of the non-ANSI stricmp function (compare + * strings with no case sensitivity) + * + ******************************************************************************/ + +int acpi_ut_stricmp(char *string1, char *string2) +{ + int c1; + int c2; + + do { + c1 = tolower((int)*string1); + c2 = tolower((int)*string2); + + string1++; + string2++; + } + while ((c1 == c2) && (c1)); + + return (c1 - c2); +} +#endif + /******************************************************************************* * * FUNCTION: acpi_ut_print_string @@ -469,8 +534,8 @@ u32 acpi_ut_dword_byte_swap(u32 value) * RETURN: None * * DESCRIPTION: Set the global integer bit width based upon the revision - * of the DSDT. For Revision 1 and 0, Integers are 32 bits. - * For Revision 2 and above, Integers are 64 bits. Yes, this + * of the DSDT. For Revision 1 and 0, Integers are 32 bits. + * For Revision 2 and above, Integers are 64 bits. Yes, this * makes a difference. * ******************************************************************************/ @@ -606,7 +671,7 @@ u8 acpi_ut_valid_acpi_char(char character, u32 position) * * RETURN: TRUE if the name is valid, FALSE otherwise * - * DESCRIPTION: Check for a valid ACPI name. Each character must be one of: + * DESCRIPTION: Check for a valid ACPI name. Each character must be one of: * 1) Upper case alpha * 2) numeric * 3) underscore @@ -638,29 +703,59 @@ u8 acpi_ut_valid_acpi_name(u32 name) * RETURN: Repaired version of the name * * DESCRIPTION: Repair an ACPI name: Change invalid characters to '*' and - * return the new name. + * return the new name. NOTE: the Name parameter must reside in + * read/write memory, cannot be a const. + * + * An ACPI Name must consist of valid ACPI characters. We will repair the name + * if necessary because we don't want to abort because of this, but we want + * all namespace names to be printable. A warning message is appropriate. + * + * This issue came up because there are in fact machines that exhibit + * this problem, and we want to be able to enable ACPI support for them, + * even though there are a few bad names. * ******************************************************************************/ -acpi_name acpi_ut_repair_name(char *name) +void acpi_ut_repair_name(char *name) { - u32 i; - char new_name[ACPI_NAME_SIZE]; + u32 i; + u8 found_bad_char = FALSE; + u32 original_name; + + ACPI_FUNCTION_NAME(ut_repair_name); + + ACPI_MOVE_NAME(&original_name, name); + + /* Check each character in the name */ for (i = 0; i < ACPI_NAME_SIZE; i++) { - new_name[i] = name[i]; + if (acpi_ut_valid_acpi_char(name[i], i)) { + continue; + } /* * Replace a bad character with something printable, yet technically * still invalid. This prevents any collisions with existing "good" * names in the namespace. */ - if (!acpi_ut_valid_acpi_char(name[i], i)) { - new_name[i] = '*'; - } + name[i] = '*'; + found_bad_char = TRUE; } - return (*(u32 *) new_name); + if (found_bad_char) { + + /* Report warning only if in strict mode or debug mode */ + + if (!acpi_gbl_enable_interpreter_slack) { + ACPI_WARNING((AE_INFO, + "Found bad character(s) in name, repaired: [%4.4s]\n", + name)); + } else { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Found bad character(s) in name, repaired: [%4.4s]\n", + name)); + } + } } /******************************************************************************* @@ -681,7 +776,7 @@ acpi_name acpi_ut_repair_name(char *name) * ******************************************************************************/ -acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer) +acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 *ret_integer) { u32 this_digit = 0; u64 return_value = 0; @@ -754,14 +849,14 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer) /* Convert ASCII 0-9 to Decimal value */ - this_digit = ((u8) * string) - '0'; + this_digit = ((u8)*string) - '0'; } else if (base == 10) { /* Digit is out of range; possible in to_integer case only */ term = 1; } else { - this_digit = (u8) ACPI_TOUPPER(*string); + this_digit = (u8)ACPI_TOUPPER(*string); if (ACPI_IS_XDIGIT((char)this_digit)) { /* Convert ASCII Hex char to value */ @@ -788,8 +883,9 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer) valid_digits++; - if (sign_of0x && ((valid_digits > 16) - || ((valid_digits > 8) && mode32))) { + if (sign_of0x + && ((valid_digits > 16) + || ((valid_digits > 8) && mode32))) { /* * This is to_integer operation case. * No any restrictions for string-to-integer conversion, @@ -800,7 +896,7 @@ acpi_status acpi_ut_strtoul64(char *string, u32 base, u64 * ret_integer) /* Divide the digit into the correct position */ - (void)acpi_ut_short_divide((dividend - (u64) this_digit), + (void)acpi_ut_short_divide((dividend - (u64)this_digit), base, "ient, NULL); if (return_value > quotient) { @@ -890,7 +986,7 @@ acpi_ut_create_update_state_and_push(union acpi_operand_object *object, ******************************************************************************/ acpi_status -acpi_ut_walk_package_tree(union acpi_operand_object * source_object, +acpi_ut_walk_package_tree(union acpi_operand_object *source_object, void *target_object, acpi_pkg_callback walk_callback, void *context) { @@ -917,10 +1013,10 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object, /* * Check for: - * 1) An uninitialized package element. It is completely + * 1) An uninitialized package element. It is completely * legal to declare a package and leave it uninitialized * 2) Not an internal object - can be a namespace node instead - * 3) Any type other than a package. Packages are handled in else + * 3) Any type other than a package. Packages are handled in else * case below. */ if ((!this_source_obj) || @@ -939,7 +1035,7 @@ acpi_ut_walk_package_tree(union acpi_operand_object * source_object, state->pkg.source_object->package.count) { /* * We've handled all of the objects at this level, This means - * that we have just completed a package. That package may + * that we have just completed a package. That package may * have contained one or more packages itself. * * Delete this state and pop the previous state (package). diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c index 296baa6..5ccf57c 100644 --- a/drivers/acpi/acpica/utmutex.c +++ b/drivers/acpi/acpica/utmutex.c @@ -193,6 +193,8 @@ static void acpi_ut_delete_mutex(acpi_mutex_handle mutex_id) acpi_gbl_mutex_info[mutex_id].mutex = NULL; acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED; + + return_VOID; } /******************************************************************************* @@ -226,9 +228,9 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) /* * Mutex debug code, for internal debugging only. * - * Deadlock prevention. Check if this thread owns any mutexes of value - * greater than or equal to this one. If so, the thread has violated - * the mutex ordering rule. This indicates a coding error somewhere in + * Deadlock prevention. Check if this thread owns any mutexes of value + * greater than or equal to this one. If so, the thread has violated + * the mutex ordering rule. This indicates a coding error somewhere in * the ACPI subsystem code. */ for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) { @@ -319,9 +321,9 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) /* * Mutex debug code, for internal debugging only. * - * Deadlock prevention. Check if this thread owns any mutexes of value - * greater than this one. If so, the thread has violated the mutex - * ordering rule. This indicates a coding error somewhere in + * Deadlock prevention. Check if this thread owns any mutexes of value + * greater than this one. If so, the thread has violated the mutex + * ordering rule. This indicates a coding error somewhere in * the ACPI subsystem code. */ for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) { diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c index 655f079..5c52ca7 100644 --- a/drivers/acpi/acpica/utobject.c +++ b/drivers/acpi/acpica/utobject.c @@ -77,7 +77,7 @@ acpi_ut_get_element_length(u8 object_type, * * NOTE: We always allocate the worst-case object descriptor because * these objects are cached, and we want them to be - * one-size-satisifies-any-request. This in itself may not be + * one-size-satisifies-any-request. This in itself may not be * the most memory efficient, but the efficiency of the object * cache should more than make up for this! * @@ -370,9 +370,9 @@ u8 acpi_ut_valid_internal_object(void *object) * line_number - Caller's line number (for error output) * component_id - Caller's component ID (for error output) * - * RETURN: Pointer to newly allocated object descriptor. Null on error + * RETURN: Pointer to newly allocated object descriptor. Null on error * - * DESCRIPTION: Allocate a new object descriptor. Gracefully handle + * DESCRIPTION: Allocate a new object descriptor. Gracefully handle * error conditions. * ******************************************************************************/ @@ -554,7 +554,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object, /* * Account for the space required by the object rounded up to the next - * multiple of the machine word size. This keeps each object aligned + * multiple of the machine word size. This keeps each object aligned * on a machine word boundary. (preventing alignment faults on some * machines.) */ diff --git a/drivers/acpi/acpica/utstate.c b/drivers/acpi/acpica/utstate.c index a1c9882..cee0473 100644 --- a/drivers/acpi/acpica/utstate.c +++ b/drivers/acpi/acpica/utstate.c @@ -147,7 +147,7 @@ union acpi_generic_state *acpi_ut_pop_generic_state(union acpi_generic_state * * RETURN: The new state object. NULL on failure. * - * DESCRIPTION: Create a generic state object. Attempt to obtain one from + * DESCRIPTION: Create a generic state object. Attempt to obtain one from * the global state cache; If none available, create a new one. * ******************************************************************************/ diff --git a/drivers/acpi/acpica/uttrack.c b/drivers/acpi/acpica/uttrack.c new file mode 100644 index 0000000..a424a9e --- /dev/null +++ b/drivers/acpi/acpica/uttrack.c @@ -0,0 +1,692 @@ +/****************************************************************************** + * + * Module Name: uttrack - Memory allocation tracking routines (debug only) + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +/* + * These procedures are used for tracking memory leaks in the subsystem, and + * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set. + * + * Each memory allocation is tracked via a doubly linked list. Each + * element contains the caller's component, module name, function name, and + * line number. acpi_ut_allocate and acpi_ut_allocate_zeroed call + * acpi_ut_track_allocation to add an element to the list; deletion + * occurs in the body of acpi_ut_free. + */ + +#include <acpi/acpi.h> +#include "accommon.h" + +#ifdef ACPI_DBG_TRACK_ALLOCATIONS + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("uttrack") + +/* Local prototypes */ +static struct acpi_debug_mem_block *acpi_ut_find_allocation(struct + acpi_debug_mem_block + *allocation); + +static acpi_status +acpi_ut_track_allocation(struct acpi_debug_mem_block *address, + acpi_size size, + u8 alloc_type, + u32 component, const char *module, u32 line); + +static acpi_status +acpi_ut_remove_allocation(struct acpi_debug_mem_block *address, + u32 component, const char *module, u32 line); + +/******************************************************************************* + * + * FUNCTION: acpi_ut_create_list + * + * PARAMETERS: cache_name - Ascii name for the cache + * object_size - Size of each cached object + * return_cache - Where the new cache object is returned + * + * RETURN: Status + * + * DESCRIPTION: Create a local memory list for tracking purposed + * + ******************************************************************************/ + +acpi_status +acpi_ut_create_list(char *list_name, + u16 object_size, struct acpi_memory_list **return_cache) +{ + struct acpi_memory_list *cache; + + cache = acpi_os_allocate(sizeof(struct acpi_memory_list)); + if (!cache) { + return (AE_NO_MEMORY); + } + + ACPI_MEMSET(cache, 0, sizeof(struct acpi_memory_list)); + + cache->list_name = list_name; + cache->object_size = object_size; + + *return_cache = cache; + return (AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_allocate_and_track + * + * PARAMETERS: size - Size of the allocation + * component - Component type of caller + * module - Source file name of caller + * line - Line number of caller + * + * RETURN: Address of the allocated memory on success, NULL on failure. + * + * DESCRIPTION: The subsystem's equivalent of malloc. + * + ******************************************************************************/ + +void *acpi_ut_allocate_and_track(acpi_size size, + u32 component, const char *module, u32 line) +{ + struct acpi_debug_mem_block *allocation; + acpi_status status; + + allocation = + acpi_ut_allocate(size + sizeof(struct acpi_debug_mem_header), + component, module, line); + if (!allocation) { + return (NULL); + } + + status = acpi_ut_track_allocation(allocation, size, + ACPI_MEM_MALLOC, component, module, + line); + if (ACPI_FAILURE(status)) { + acpi_os_free(allocation); + return (NULL); + } + + acpi_gbl_global_list->total_allocated++; + acpi_gbl_global_list->total_size += (u32)size; + acpi_gbl_global_list->current_total_size += (u32)size; + if (acpi_gbl_global_list->current_total_size > + acpi_gbl_global_list->max_occupied) { + acpi_gbl_global_list->max_occupied = + acpi_gbl_global_list->current_total_size; + } + + return ((void *)&allocation->user_space); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_allocate_zeroed_and_track + * + * PARAMETERS: size - Size of the allocation + * component - Component type of caller + * module - Source file name of caller + * line - Line number of caller + * + * RETURN: Address of the allocated memory on success, NULL on failure. + * + * DESCRIPTION: Subsystem equivalent of calloc. + * + ******************************************************************************/ + +void *acpi_ut_allocate_zeroed_and_track(acpi_size size, + u32 component, + const char *module, u32 line) +{ + struct acpi_debug_mem_block *allocation; + acpi_status status; + + allocation = + acpi_ut_allocate_zeroed(size + sizeof(struct acpi_debug_mem_header), + component, module, line); + if (!allocation) { + + /* Report allocation error */ + + ACPI_ERROR((module, line, + "Could not allocate size %u", (u32)size)); + return (NULL); + } + + status = acpi_ut_track_allocation(allocation, size, + ACPI_MEM_CALLOC, component, module, + line); + if (ACPI_FAILURE(status)) { + acpi_os_free(allocation); + return (NULL); + } + + acpi_gbl_global_list->total_allocated++; + acpi_gbl_global_list->total_size += (u32)size; + acpi_gbl_global_list->current_total_size += (u32)size; + if (acpi_gbl_global_list->current_total_size > + acpi_gbl_global_list->max_occupied) { + acpi_gbl_global_list->max_occupied = + acpi_gbl_global_list->current_total_size; + } + + return ((void *)&allocation->user_space); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_free_and_track + * + * PARAMETERS: allocation - Address of the memory to deallocate + * component - Component type of caller + * module - Source file name of caller + * line - Line number of caller + * + * RETURN: None + * + * DESCRIPTION: Frees the memory at Allocation + * + ******************************************************************************/ + +void +acpi_ut_free_and_track(void *allocation, + u32 component, const char *module, u32 line) +{ + struct acpi_debug_mem_block *debug_block; + acpi_status status; + + ACPI_FUNCTION_TRACE_PTR(ut_free, allocation); + + if (NULL == allocation) { + ACPI_ERROR((module, line, "Attempt to delete a NULL address")); + + return_VOID; + } + + debug_block = ACPI_CAST_PTR(struct acpi_debug_mem_block, + (((char *)allocation) - + sizeof(struct acpi_debug_mem_header))); + + acpi_gbl_global_list->total_freed++; + acpi_gbl_global_list->current_total_size -= debug_block->size; + + status = acpi_ut_remove_allocation(debug_block, + component, module, line); + if (ACPI_FAILURE(status)) { + ACPI_EXCEPTION((AE_INFO, status, "Could not free memory")); + } + + acpi_os_free(debug_block); + ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p freed\n", allocation)); + return_VOID; +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_find_allocation + * + * PARAMETERS: allocation - Address of allocated memory + * + * RETURN: Three cases: + * 1) List is empty, NULL is returned. + * 2) Element was found. Returns Allocation parameter. + * 3) Element was not found. Returns position where it should be + * inserted into the list. + * + * DESCRIPTION: Searches for an element in the global allocation tracking list. + * If the element is not found, returns the location within the + * list where the element should be inserted. + * + * Note: The list is ordered by larger-to-smaller addresses. + * + * This global list is used to detect memory leaks in ACPICA as + * well as other issues such as an attempt to release the same + * internal object more than once. Although expensive as far + * as cpu time, this list is much more helpful for finding these + * types of issues than using memory leak detectors outside of + * the ACPICA code. + * + ******************************************************************************/ + +static struct acpi_debug_mem_block *acpi_ut_find_allocation(struct + acpi_debug_mem_block + *allocation) +{ + struct acpi_debug_mem_block *element; + + element = acpi_gbl_global_list->list_head; + if (!element) { + return (NULL); + } + + /* + * Search for the address. + * + * Note: List is ordered by larger-to-smaller addresses, on the + * assumption that a new allocation usually has a larger address + * than previous allocations. + */ + while (element > allocation) { + + /* Check for end-of-list */ + + if (!element->next) { + return (element); + } + + element = element->next; + } + + if (element == allocation) { + return (element); + } + + return (element->previous); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_track_allocation + * + * PARAMETERS: allocation - Address of allocated memory + * size - Size of the allocation + * alloc_type - MEM_MALLOC or MEM_CALLOC + * component - Component type of caller + * module - Source file name of caller + * line - Line number of caller + * + * RETURN: Status + * + * DESCRIPTION: Inserts an element into the global allocation tracking list. + * + ******************************************************************************/ + +static acpi_status +acpi_ut_track_allocation(struct acpi_debug_mem_block *allocation, + acpi_size size, + u8 alloc_type, + u32 component, const char *module, u32 line) +{ + struct acpi_memory_list *mem_list; + struct acpi_debug_mem_block *element; + acpi_status status = AE_OK; + + ACPI_FUNCTION_TRACE_PTR(ut_track_allocation, allocation); + + if (acpi_gbl_disable_mem_tracking) { + return_ACPI_STATUS(AE_OK); + } + + mem_list = acpi_gbl_global_list; + status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* + * Search the global list for this address to make sure it is not + * already present. This will catch several kinds of problems. + */ + element = acpi_ut_find_allocation(allocation); + if (element == allocation) { + ACPI_ERROR((AE_INFO, + "UtTrackAllocation: Allocation (%p) already present in global list!", + allocation)); + goto unlock_and_exit; + } + + /* Fill in the instance data */ + + allocation->size = (u32)size; + allocation->alloc_type = alloc_type; + allocation->component = component; + allocation->line = line; + + ACPI_STRNCPY(allocation->module, module, ACPI_MAX_MODULE_NAME); + allocation->module[ACPI_MAX_MODULE_NAME - 1] = 0; + + if (!element) { + + /* Insert at list head */ + + if (mem_list->list_head) { + ((struct acpi_debug_mem_block *)(mem_list->list_head))-> + previous = allocation; + } + + allocation->next = mem_list->list_head; + allocation->previous = NULL; + + mem_list->list_head = allocation; + } else { + /* Insert after element */ + + allocation->next = element->next; + allocation->previous = element; + + if (element->next) { + (element->next)->previous = allocation; + } + + element->next = allocation; + } + + unlock_and_exit: + status = acpi_ut_release_mutex(ACPI_MTX_MEMORY); + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_remove_allocation + * + * PARAMETERS: allocation - Address of allocated memory + * component - Component type of caller + * module - Source file name of caller + * line - Line number of caller + * + * RETURN: Status + * + * DESCRIPTION: Deletes an element from the global allocation tracking list. + * + ******************************************************************************/ + +static acpi_status +acpi_ut_remove_allocation(struct acpi_debug_mem_block *allocation, + u32 component, const char *module, u32 line) +{ + struct acpi_memory_list *mem_list; + acpi_status status; + + ACPI_FUNCTION_TRACE(ut_remove_allocation); + + if (acpi_gbl_disable_mem_tracking) { + return_ACPI_STATUS(AE_OK); + } + + mem_list = acpi_gbl_global_list; + if (NULL == mem_list->list_head) { + + /* No allocations! */ + + ACPI_ERROR((module, line, + "Empty allocation list, nothing to free!")); + + return_ACPI_STATUS(AE_OK); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Unlink */ + + if (allocation->previous) { + (allocation->previous)->next = allocation->next; + } else { + mem_list->list_head = allocation->next; + } + + if (allocation->next) { + (allocation->next)->previous = allocation->previous; + } + + /* Mark the segment as deleted */ + + ACPI_MEMSET(&allocation->user_space, 0xEA, allocation->size); + + ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n", + allocation->size)); + + status = acpi_ut_release_mutex(ACPI_MTX_MEMORY); + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_dump_allocation_info + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Print some info about the outstanding allocations. + * + ******************************************************************************/ + +void acpi_ut_dump_allocation_info(void) +{ +/* + struct acpi_memory_list *mem_list; +*/ + + ACPI_FUNCTION_TRACE(ut_dump_allocation_info); + +/* + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Current allocations", + mem_list->current_count, + ROUND_UP_TO_1K (mem_list->current_size))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations", + mem_list->max_concurrent_count, + ROUND_UP_TO_1K (mem_list->max_concurrent_size))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", + running_object_count, + ROUND_UP_TO_1K (running_object_size))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", + running_alloc_count, + ROUND_UP_TO_1K (running_alloc_size))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Current Nodes", + acpi_gbl_current_node_count, + ROUND_UP_TO_1K (acpi_gbl_current_node_size))); + + ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, + ("%30s: %4d (%3d Kb)\n", "Max Nodes", + acpi_gbl_max_concurrent_node_count, + ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count * + sizeof (struct acpi_namespace_node))))); +*/ + return_VOID; +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_dump_allocations + * + * PARAMETERS: component - Component(s) to dump info for. + * module - Module to dump info for. NULL means all. + * + * RETURN: None + * + * DESCRIPTION: Print a list of all outstanding allocations. + * + ******************************************************************************/ + +void acpi_ut_dump_allocations(u32 component, const char *module) +{ + struct acpi_debug_mem_block *element; + union acpi_descriptor *descriptor; + u32 num_outstanding = 0; + u8 descriptor_type; + + ACPI_FUNCTION_TRACE(ut_dump_allocations); + + if (acpi_gbl_disable_mem_tracking) { + return_VOID; + } + + /* + * Walk the allocation list. + */ + if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_MEMORY))) { + return_VOID; + } + + element = acpi_gbl_global_list->list_head; + while (element) { + if ((element->component & component) && + ((module == NULL) + || (0 == ACPI_STRCMP(module, element->module)))) { + descriptor = + ACPI_CAST_PTR(union acpi_descriptor, + &element->user_space); + + if (element->size < + sizeof(struct acpi_common_descriptor)) { + acpi_os_printf("%p Length 0x%04X %9.9s-%u " + "[Not a Descriptor - too small]\n", + descriptor, element->size, + element->module, element->line); + } else { + /* Ignore allocated objects that are in a cache */ + + if (ACPI_GET_DESCRIPTOR_TYPE(descriptor) != + ACPI_DESC_TYPE_CACHED) { + acpi_os_printf + ("%p Length 0x%04X %9.9s-%u [%s] ", + descriptor, element->size, + element->module, element->line, + acpi_ut_get_descriptor_name + (descriptor)); + + /* Validate the descriptor type using Type field and length */ + + descriptor_type = 0; /* Not a valid descriptor type */ + + switch (ACPI_GET_DESCRIPTOR_TYPE + (descriptor)) { + case ACPI_DESC_TYPE_OPERAND: + if (element->size == + sizeof(union + acpi_operand_object)) + { + descriptor_type = + ACPI_DESC_TYPE_OPERAND; + } + break; + + case ACPI_DESC_TYPE_PARSER: + if (element->size == + sizeof(union + acpi_parse_object)) { + descriptor_type = + ACPI_DESC_TYPE_PARSER; + } + break; + + case ACPI_DESC_TYPE_NAMED: + if (element->size == + sizeof(struct + acpi_namespace_node)) + { + descriptor_type = + ACPI_DESC_TYPE_NAMED; + } + break; + + default: + break; + } + + /* Display additional info for the major descriptor types */ + + switch (descriptor_type) { + case ACPI_DESC_TYPE_OPERAND: + acpi_os_printf + ("%12.12s RefCount 0x%04X\n", + acpi_ut_get_type_name + (descriptor->object.common. + type), + descriptor->object.common. + reference_count); + break; + + case ACPI_DESC_TYPE_PARSER: + acpi_os_printf + ("AmlOpcode 0x%04hX\n", + descriptor->op.asl. + aml_opcode); + break; + + case ACPI_DESC_TYPE_NAMED: + acpi_os_printf("%4.4s\n", + acpi_ut_get_node_name + (&descriptor-> + node)); + break; + + default: + acpi_os_printf("\n"); + break; + } + } + } + + num_outstanding++; + } + + element = element->next; + } + + (void)acpi_ut_release_mutex(ACPI_MTX_MEMORY); + + /* Print summary */ + + if (!num_outstanding) { + ACPI_INFO((AE_INFO, "No outstanding allocations")); + } else { + ACPI_ERROR((AE_INFO, "%u(0x%X) Outstanding allocations", + num_outstanding, num_outstanding)); + } + + return_VOID; +} + +#endif /* ACPI_DBG_TRACK_ALLOCATIONS */ diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c index b09632b..390db0c 100644 --- a/drivers/acpi/acpica/utxface.c +++ b/drivers/acpi/acpica/utxface.c @@ -147,7 +147,7 @@ ACPI_EXPORT_SYMBOL(acpi_subsystem_status) * RETURN: status - the status of the call * * DESCRIPTION: This function is called to get information about the current - * state of the ACPI subsystem. It will return system information + * state of the ACPI subsystem. It will return system information * in the out_buffer. * * If the function fails an appropriate status will be returned @@ -238,7 +238,7 @@ acpi_install_initialization_handler(acpi_init_handler handler, u32 function) } acpi_gbl_init_handler = handler; - return AE_OK; + return (AE_OK); } ACPI_EXPORT_SYMBOL(acpi_install_initialization_handler) @@ -263,6 +263,7 @@ acpi_status acpi_purge_cached_objects(void) (void)acpi_os_purge_cache(acpi_gbl_operand_cache); (void)acpi_os_purge_cache(acpi_gbl_ps_node_cache); (void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache); + return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/acpica/utxferror.c b/drivers/acpi/acpica/utxferror.c index 6d63cc3..d4d3826 100644 --- a/drivers/acpi/acpica/utxferror.c +++ b/drivers/acpi/acpica/utxferror.c @@ -408,7 +408,7 @@ acpi_ut_namespace_error(const char *module_name, ACPI_MOVE_32_TO_32(&bad_name, ACPI_CAST_PTR(u32, internal_name)); - acpi_os_printf("[0x%4.4X] (NON-ASCII)", bad_name); + acpi_os_printf("[0x%.8X] (NON-ASCII)", bad_name); } else { /* Convert path to external format */ diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index d59175e..1f0d457 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -257,7 +257,15 @@ static int __acpi_bus_get_power(struct acpi_device *device, int *state) } -static int __acpi_bus_set_power(struct acpi_device *device, int state) +/** + * acpi_device_set_power - Set power state of an ACPI device. + * @device: Device to set the power state of. + * @state: New power state to set. + * + * Callers must ensure that the device is power manageable before using this + * function. + */ +int acpi_device_set_power(struct acpi_device *device, int state) { int result = 0; acpi_status status = AE_OK; @@ -298,6 +306,12 @@ static int __acpi_bus_set_power(struct acpi_device *device, int state) * a lower-powered state. */ if (state < device->power.state) { + if (device->power.state >= ACPI_STATE_D3_HOT && + state != ACPI_STATE_D0) { + printk(KERN_WARNING PREFIX + "Cannot transition to non-D0 state from D3\n"); + return -ENODEV; + } if (device->power.flags.power_resources) { result = acpi_power_transition(device, state); if (result) @@ -341,6 +355,7 @@ static int __acpi_bus_set_power(struct acpi_device *device, int state) return result; } +EXPORT_SYMBOL(acpi_device_set_power); int acpi_bus_set_power(acpi_handle handle, int state) @@ -359,7 +374,7 @@ int acpi_bus_set_power(acpi_handle handle, int state) return -ENODEV; } - return __acpi_bus_set_power(device, state); + return acpi_device_set_power(device, state); } EXPORT_SYMBOL(acpi_bus_set_power); @@ -402,7 +417,7 @@ int acpi_bus_update_power(acpi_handle handle, int *state_p) if (result) return result; - result = __acpi_bus_set_power(device, state); + result = acpi_device_set_power(device, state); if (!result && state_p) *state_p = state; diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c new file mode 100644 index 0000000..f09dc98 --- /dev/null +++ b/drivers/acpi/device_pm.c @@ -0,0 +1,668 @@ +/* + * drivers/acpi/device_pm.c - ACPI device power management routines. + * + * Copyright (C) 2012, Intel Corp. + * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#include <linux/device.h> +#include <linux/export.h> +#include <linux/mutex.h> +#include <linux/pm_qos.h> +#include <linux/pm_runtime.h> + +#include <acpi/acpi.h> +#include <acpi/acpi_bus.h> + +static DEFINE_MUTEX(acpi_pm_notifier_lock); + +/** + * acpi_add_pm_notifier - Register PM notifier for given ACPI device. + * @adev: ACPI device to add the notifier for. + * @context: Context information to pass to the notifier routine. + * + * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of + * PM wakeup events. For example, wakeup events may be generated for bridges + * if one of the devices below the bridge is signaling wakeup, even if the + * bridge itself doesn't have a wakeup GPE associated with it. + */ +acpi_status acpi_add_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler, void *context) +{ + acpi_status status = AE_ALREADY_EXISTS; + + mutex_lock(&acpi_pm_notifier_lock); + + if (adev->wakeup.flags.notifier_present) + goto out; + + status = acpi_install_notify_handler(adev->handle, + ACPI_SYSTEM_NOTIFY, + handler, context); + if (ACPI_FAILURE(status)) + goto out; + + adev->wakeup.flags.notifier_present = true; + + out: + mutex_unlock(&acpi_pm_notifier_lock); + return status; +} + +/** + * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device. + * @adev: ACPI device to remove the notifier from. + */ +acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler) +{ + acpi_status status = AE_BAD_PARAMETER; + + mutex_lock(&acpi_pm_notifier_lock); + + if (!adev->wakeup.flags.notifier_present) + goto out; + + status = acpi_remove_notify_handler(adev->handle, + ACPI_SYSTEM_NOTIFY, + handler); + if (ACPI_FAILURE(status)) + goto out; + + adev->wakeup.flags.notifier_present = false; + + out: + mutex_unlock(&acpi_pm_notifier_lock); + return status; +} + +/** + * acpi_device_power_state - Get preferred power state of ACPI device. + * @dev: Device whose preferred target power state to return. + * @adev: ACPI device node corresponding to @dev. + * @target_state: System state to match the resultant device state. + * @d_max_in: Deepest low-power state to take into consideration. + * @d_min_p: Location to store the upper limit of the allowed states range. + * Return value: Preferred power state of the device on success, -ENODEV + * (if there's no 'struct acpi_device' for @dev) or -EINVAL on failure + * + * Find the lowest power (highest number) ACPI device power state that the + * device can be in while the system is in the state represented by + * @target_state. If @d_min_p is set, the highest power (lowest number) device + * power state that @dev can be in for the given system sleep state is stored + * at the location pointed to by it. + * + * Callers must ensure that @dev and @adev are valid pointers and that @adev + * actually corresponds to @dev before using this function. + */ +int acpi_device_power_state(struct device *dev, struct acpi_device *adev, + u32 target_state, int d_max_in, int *d_min_p) +{ + char acpi_method[] = "_SxD"; + unsigned long long d_min, d_max; + bool wakeup = false; + + if (d_max_in < ACPI_STATE_D0 || d_max_in > ACPI_STATE_D3) + return -EINVAL; + + if (d_max_in > ACPI_STATE_D3_HOT) { + enum pm_qos_flags_status stat; + + stat = dev_pm_qos_flags(dev, PM_QOS_FLAG_NO_POWER_OFF); + if (stat == PM_QOS_FLAGS_ALL) + d_max_in = ACPI_STATE_D3_HOT; + } + + acpi_method[2] = '0' + target_state; + /* + * If the sleep state is S0, the lowest limit from ACPI is D3, + * but if the device has _S0W, we will use the value from _S0W + * as the lowest limit from ACPI. Finally, we will constrain + * the lowest limit with the specified one. + */ + d_min = ACPI_STATE_D0; + d_max = ACPI_STATE_D3; + + /* + * If present, _SxD methods return the minimum D-state (highest power + * state) we can use for the corresponding S-states. Otherwise, the + * minimum D-state is D0 (ACPI 3.x). + * + * NOTE: We rely on acpi_evaluate_integer() not clobbering the integer + * provided -- that's our fault recovery, we ignore retval. + */ + if (target_state > ACPI_STATE_S0) { + acpi_evaluate_integer(adev->handle, acpi_method, NULL, &d_min); + wakeup = device_may_wakeup(dev) && adev->wakeup.flags.valid + && adev->wakeup.sleep_state >= target_state; + } else if (dev_pm_qos_flags(dev, PM_QOS_FLAG_REMOTE_WAKEUP) != + PM_QOS_FLAGS_NONE) { + wakeup = adev->wakeup.flags.valid; + } + + /* + * If _PRW says we can wake up the system from the target sleep state, + * the D-state returned by _SxD is sufficient for that (we assume a + * wakeup-aware driver if wake is set). Still, if _SxW exists + * (ACPI 3.x), it should return the maximum (lowest power) D-state that + * can wake the system. _S0W may be valid, too. + */ + if (wakeup) { + acpi_status status; + + acpi_method[3] = 'W'; + status = acpi_evaluate_integer(adev->handle, acpi_method, NULL, + &d_max); + if (ACPI_FAILURE(status)) { + if (target_state != ACPI_STATE_S0 || + status != AE_NOT_FOUND) + d_max = d_min; + } else if (d_max < d_min) { + /* Warn the user of the broken DSDT */ + printk(KERN_WARNING "ACPI: Wrong value from %s\n", + acpi_method); + /* Sanitize it */ + d_min = d_max; + } + } + + if (d_max_in < d_min) + return -EINVAL; + if (d_min_p) + *d_min_p = d_min; + /* constrain d_max with specified lowest limit (max number) */ + if (d_max > d_max_in) { + for (d_max = d_max_in; d_max > d_min; d_max--) { + if (adev->power.states[d_max].flags.valid) + break; + } + } + return d_max; +} +EXPORT_SYMBOL_GPL(acpi_device_power_state); + +/** + * acpi_pm_device_sleep_state - Get preferred power state of ACPI device. + * @dev: Device whose preferred target power state to return. + * @d_min_p: Location to store the upper limit of the allowed states range. + * @d_max_in: Deepest low-power state to take into consideration. + * Return value: Preferred power state of the device on success, -ENODEV + * (if there's no 'struct acpi_device' for @dev) or -EINVAL on failure + * + * The caller must ensure that @dev is valid before using this function. + */ +int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in) +{ + acpi_handle handle = DEVICE_ACPI_HANDLE(dev); + struct acpi_device *adev; + + if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) { + dev_dbg(dev, "ACPI handle without context in %s!\n", __func__); + return -ENODEV; + } + + return acpi_device_power_state(dev, adev, acpi_target_system_state(), + d_max_in, d_min_p); +} +EXPORT_SYMBOL(acpi_pm_device_sleep_state); + +#ifdef CONFIG_PM_RUNTIME +/** + * acpi_wakeup_device - Wakeup notification handler for ACPI devices. + * @handle: ACPI handle of the device the notification is for. + * @event: Type of the signaled event. + * @context: Device corresponding to @handle. + */ +static void acpi_wakeup_device(acpi_handle handle, u32 event, void *context) +{ + struct device *dev = context; + + if (event == ACPI_NOTIFY_DEVICE_WAKE && dev) { + pm_wakeup_event(dev, 0); + pm_runtime_resume(dev); + } +} + +/** + * __acpi_device_run_wake - Enable/disable runtime remote wakeup for device. + * @adev: ACPI device to enable/disable the remote wakeup for. + * @enable: Whether to enable or disable the wakeup functionality. + * + * Enable/disable the GPE associated with @adev so that it can generate + * wakeup signals for the device in response to external (remote) events and + * enable/disable device wakeup power. + * + * Callers must ensure that @adev is a valid ACPI device node before executing + * this function. + */ +int __acpi_device_run_wake(struct acpi_device *adev, bool enable) +{ + struct acpi_device_wakeup *wakeup = &adev->wakeup; + + if (enable) { + acpi_status res; + int error; + + error = acpi_enable_wakeup_device_power(adev, ACPI_STATE_S0); + if (error) + return error; + + res = acpi_enable_gpe(wakeup->gpe_device, wakeup->gpe_number); + if (ACPI_FAILURE(res)) { + acpi_disable_wakeup_device_power(adev); + return -EIO; + } + } else { + acpi_disable_gpe(wakeup->gpe_device, wakeup->gpe_number); + acpi_disable_wakeup_device_power(adev); + } + return 0; +} + +/** + * acpi_pm_device_run_wake - Enable/disable remote wakeup for given device. + * @dev: Device to enable/disable the platform to wake up. + * @enable: Whether to enable or disable the wakeup functionality. + */ +int acpi_pm_device_run_wake(struct device *phys_dev, bool enable) +{ + struct acpi_device *adev; + acpi_handle handle; + + if (!device_run_wake(phys_dev)) + return -EINVAL; + + handle = DEVICE_ACPI_HANDLE(phys_dev); + if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) { + dev_dbg(phys_dev, "ACPI handle without context in %s!\n", + __func__); + return -ENODEV; + } + + return __acpi_device_run_wake(adev, enable); +} +EXPORT_SYMBOL(acpi_pm_device_run_wake); +#else +static inline void acpi_wakeup_device(acpi_handle handle, u32 event, + void *context) {} +#endif /* CONFIG_PM_RUNTIME */ + + #ifdef CONFIG_PM_SLEEP +/** + * __acpi_device_sleep_wake - Enable or disable device to wake up the system. + * @dev: Device to enable/desible to wake up the system. + * @target_state: System state the device is supposed to wake up from. + * @enable: Whether to enable or disable @dev to wake up the system. + */ +int __acpi_device_sleep_wake(struct acpi_device *adev, u32 target_state, + bool enable) +{ + return enable ? + acpi_enable_wakeup_device_power(adev, target_state) : + acpi_disable_wakeup_device_power(adev); +} + +/** + * acpi_pm_device_sleep_wake - Enable or disable device to wake up the system. + * @dev: Device to enable/desible to wake up the system from sleep states. + * @enable: Whether to enable or disable @dev to wake up the system. + */ +int acpi_pm_device_sleep_wake(struct device *dev, bool enable) +{ + acpi_handle handle; + struct acpi_device *adev; + int error; + + if (!device_can_wakeup(dev)) + return -EINVAL; + + handle = DEVICE_ACPI_HANDLE(dev); + if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) { + dev_dbg(dev, "ACPI handle without context in %s!\n", __func__); + return -ENODEV; + } + + error = __acpi_device_sleep_wake(adev, acpi_target_system_state(), + enable); + if (!error) + dev_info(dev, "System wakeup %s by ACPI\n", + enable ? "enabled" : "disabled"); + + return error; +} +#endif /* CONFIG_PM_SLEEP */ + +/** + * acpi_dev_pm_get_node - Get ACPI device node for the given physical device. + * @dev: Device to get the ACPI node for. + */ +static struct acpi_device *acpi_dev_pm_get_node(struct device *dev) +{ + acpi_handle handle = DEVICE_ACPI_HANDLE(dev); + struct acpi_device *adev; + + return handle && ACPI_SUCCESS(acpi_bus_get_device(handle, &adev)) ? + adev : NULL; +} + +/** + * acpi_dev_pm_low_power - Put ACPI device into a low-power state. + * @dev: Device to put into a low-power state. + * @adev: ACPI device node corresponding to @dev. + * @system_state: System state to choose the device state for. + */ +static int acpi_dev_pm_low_power(struct device *dev, struct acpi_device *adev, + u32 system_state) +{ + int power_state; + + if (!acpi_device_power_manageable(adev)) + return 0; + + power_state = acpi_device_power_state(dev, adev, system_state, + ACPI_STATE_D3, NULL); + if (power_state < ACPI_STATE_D0 || power_state > ACPI_STATE_D3) + return -EIO; + + return acpi_device_set_power(adev, power_state); +} + +/** + * acpi_dev_pm_full_power - Put ACPI device into the full-power state. + * @adev: ACPI device node to put into the full-power state. + */ +static int acpi_dev_pm_full_power(struct acpi_device *adev) +{ + return acpi_device_power_manageable(adev) ? + acpi_device_set_power(adev, ACPI_STATE_D0) : 0; +} + +#ifdef CONFIG_PM_RUNTIME +/** + * acpi_dev_runtime_suspend - Put device into a low-power state using ACPI. + * @dev: Device to put into a low-power state. + * + * Put the given device into a runtime low-power state using the standard ACPI + * mechanism. Set up remote wakeup if desired, choose the state to put the + * device into (this checks if remote wakeup is expected to work too), and set + * the power state of the device. + */ +int acpi_dev_runtime_suspend(struct device *dev) +{ + struct acpi_device *adev = acpi_dev_pm_get_node(dev); + bool remote_wakeup; + int error; + + if (!adev) + return 0; + + remote_wakeup = dev_pm_qos_flags(dev, PM_QOS_FLAG_REMOTE_WAKEUP) > + PM_QOS_FLAGS_NONE; + error = __acpi_device_run_wake(adev, remote_wakeup); + if (remote_wakeup && error) + return -EAGAIN; + + error = acpi_dev_pm_low_power(dev, adev, ACPI_STATE_S0); + if (error) + __acpi_device_run_wake(adev, false); + + return error; +} +EXPORT_SYMBOL_GPL(acpi_dev_runtime_suspend); + +/** + * acpi_dev_runtime_resume - Put device into the full-power state using ACPI. + * @dev: Device to put into the full-power state. + * + * Put the given device into the full-power state using the standard ACPI + * mechanism at run time. Set the power state of the device to ACPI D0 and + * disable remote wakeup. + */ +int acpi_dev_runtime_resume(struct device *dev) +{ + struct acpi_device *adev = acpi_dev_pm_get_node(dev); + int error; + + if (!adev) + return 0; + + error = acpi_dev_pm_full_power(adev); + __acpi_device_run_wake(adev, false); + return error; +} +EXPORT_SYMBOL_GPL(acpi_dev_runtime_resume); + +/** + * acpi_subsys_runtime_suspend - Suspend device using ACPI. + * @dev: Device to suspend. + * + * Carry out the generic runtime suspend procedure for @dev and use ACPI to put + * it into a runtime low-power state. + */ +int acpi_subsys_runtime_suspend(struct device *dev) +{ + int ret = pm_generic_runtime_suspend(dev); + return ret ? ret : acpi_dev_runtime_suspend(dev); +} +EXPORT_SYMBOL_GPL(acpi_subsys_runtime_suspend); + +/** + * acpi_subsys_runtime_resume - Resume device using ACPI. + * @dev: Device to Resume. + * + * Use ACPI to put the given device into the full-power state and carry out the + * generic runtime resume procedure for it. + */ +int acpi_subsys_runtime_resume(struct device *dev) +{ + int ret = acpi_dev_runtime_resume(dev); + return ret ? ret : pm_generic_runtime_resume(dev); +} +EXPORT_SYMBOL_GPL(acpi_subsys_runtime_resume); +#endif /* CONFIG_PM_RUNTIME */ + +#ifdef CONFIG_PM_SLEEP +/** + * acpi_dev_suspend_late - Put device into a low-power state using ACPI. + * @dev: Device to put into a low-power state. + * + * Put the given device into a low-power state during system transition to a + * sleep state using the standard ACPI mechanism. Set up system wakeup if + * desired, choose the state to put the device into (this checks if system + * wakeup is expected to work too), and set the power state of the device. + */ +int acpi_dev_suspend_late(struct device *dev) +{ + struct acpi_device *adev = acpi_dev_pm_get_node(dev); + u32 target_state; + bool wakeup; + int error; + + if (!adev) + return 0; + + target_state = acpi_target_system_state(); + wakeup = device_may_wakeup(dev); + error = __acpi_device_sleep_wake(adev, target_state, wakeup); + if (wakeup && error) + return error; + + error = acpi_dev_pm_low_power(dev, adev, target_state); + if (error) + __acpi_device_sleep_wake(adev, ACPI_STATE_UNKNOWN, false); + + return error; +} +EXPORT_SYMBOL_GPL(acpi_dev_suspend_late); + +/** + * acpi_dev_resume_early - Put device into the full-power state using ACPI. + * @dev: Device to put into the full-power state. + * + * Put the given device into the full-power state using the standard ACPI + * mechanism during system transition to the working state. Set the power + * state of the device to ACPI D0 and disable remote wakeup. + */ +int acpi_dev_resume_early(struct device *dev) +{ + struct acpi_device *adev = acpi_dev_pm_get_node(dev); + int error; + + if (!adev) + return 0; + + error = acpi_dev_pm_full_power(adev); + __acpi_device_sleep_wake(adev, ACPI_STATE_UNKNOWN, false); + return error; +} +EXPORT_SYMBOL_GPL(acpi_dev_resume_early); + +/** + * acpi_subsys_prepare - Prepare device for system transition to a sleep state. + * @dev: Device to prepare. + */ +int acpi_subsys_prepare(struct device *dev) +{ + /* + * Follow PCI and resume devices suspended at run time before running + * their system suspend callbacks. + */ + pm_runtime_resume(dev); + return pm_generic_prepare(dev); +} +EXPORT_SYMBOL_GPL(acpi_subsys_prepare); + +/** + * acpi_subsys_suspend_late - Suspend device using ACPI. + * @dev: Device to suspend. + * + * Carry out the generic late suspend procedure for @dev and use ACPI to put + * it into a low-power state during system transition into a sleep state. + */ +int acpi_subsys_suspend_late(struct device *dev) +{ + int ret = pm_generic_suspend_late(dev); + return ret ? ret : acpi_dev_suspend_late(dev); +} +EXPORT_SYMBOL_GPL(acpi_subsys_suspend_late); + +/** + * acpi_subsys_resume_early - Resume device using ACPI. + * @dev: Device to Resume. + * + * Use ACPI to put the given device into the full-power state and carry out the + * generic early resume procedure for it during system transition into the + * working state. + */ +int acpi_subsys_resume_early(struct device *dev) +{ + int ret = acpi_dev_resume_early(dev); + return ret ? ret : pm_generic_resume_early(dev); +} +EXPORT_SYMBOL_GPL(acpi_subsys_resume_early); +#endif /* CONFIG_PM_SLEEP */ + +static struct dev_pm_domain acpi_general_pm_domain = { + .ops = { +#ifdef CONFIG_PM_RUNTIME + .runtime_suspend = acpi_subsys_runtime_suspend, + .runtime_resume = acpi_subsys_runtime_resume, + .runtime_idle = pm_generic_runtime_idle, +#endif +#ifdef CONFIG_PM_SLEEP + .prepare = acpi_subsys_prepare, + .suspend_late = acpi_subsys_suspend_late, + .resume_early = acpi_subsys_resume_early, + .poweroff_late = acpi_subsys_suspend_late, + .restore_early = acpi_subsys_resume_early, +#endif + }, +}; + +/** + * acpi_dev_pm_attach - Prepare device for ACPI power management. + * @dev: Device to prepare. + * @power_on: Whether or not to power on the device. + * + * If @dev has a valid ACPI handle that has a valid struct acpi_device object + * attached to it, install a wakeup notification handler for the device and + * add it to the general ACPI PM domain. If @power_on is set, the device will + * be put into the ACPI D0 state before the function returns. + * + * This assumes that the @dev's bus type uses generic power management callbacks + * (or doesn't use any power management callbacks at all). + * + * Callers must ensure proper synchronization of this function with power + * management callbacks. + */ +int acpi_dev_pm_attach(struct device *dev, bool power_on) +{ + struct acpi_device *adev = acpi_dev_pm_get_node(dev); + + if (!adev) + return -ENODEV; + + if (dev->pm_domain) + return -EEXIST; + + acpi_add_pm_notifier(adev, acpi_wakeup_device, dev); + dev->pm_domain = &acpi_general_pm_domain; + if (power_on) { + acpi_dev_pm_full_power(adev); + __acpi_device_run_wake(adev, false); + } + return 0; +} +EXPORT_SYMBOL_GPL(acpi_dev_pm_attach); + +/** + * acpi_dev_pm_detach - Remove ACPI power management from the device. + * @dev: Device to take care of. + * @power_off: Whether or not to try to remove power from the device. + * + * Remove the device from the general ACPI PM domain and remove its wakeup + * notifier. If @power_off is set, additionally remove power from the device if + * possible. + * + * Callers must ensure proper synchronization of this function with power + * management callbacks. + */ +void acpi_dev_pm_detach(struct device *dev, bool power_off) +{ + struct acpi_device *adev = acpi_dev_pm_get_node(dev); + + if (adev && dev->pm_domain == &acpi_general_pm_domain) { + dev->pm_domain = NULL; + acpi_remove_pm_notifier(adev, acpi_wakeup_device); + if (power_off) { + /* + * If the device's PM QoS resume latency limit or flags + * have been exposed to user space, they have to be + * hidden at this point, so that they don't affect the + * choice of the low-power state to put the device into. + */ + dev_pm_qos_hide_latency_limit(dev); + dev_pm_qos_hide_flags(dev); + __acpi_device_run_wake(adev, false); + acpi_dev_pm_low_power(dev, adev, ACPI_STATE_S0); + } + } +} +EXPORT_SYMBOL_GPL(acpi_dev_pm_detach); diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 0837308..0155184 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -130,46 +130,59 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle) { struct acpi_device *acpi_dev; acpi_status status; - struct acpi_device_physical_node *physical_node; + struct acpi_device_physical_node *physical_node, *pn; char physical_node_name[sizeof(PHYSICAL_NODE_STRING) + 2]; int retval = -EINVAL; - if (dev->archdata.acpi_handle) { - dev_warn(dev, "Drivers changed 'acpi_handle'\n"); - return -EINVAL; + if (ACPI_HANDLE(dev)) { + if (handle) { + dev_warn(dev, "ACPI handle is already set\n"); + return -EINVAL; + } else { + handle = ACPI_HANDLE(dev); + } } + if (!handle) + return -EINVAL; get_device(dev); status = acpi_bus_get_device(handle, &acpi_dev); if (ACPI_FAILURE(status)) goto err; - physical_node = kzalloc(sizeof(struct acpi_device_physical_node), - GFP_KERNEL); + physical_node = kzalloc(sizeof(*physical_node), GFP_KERNEL); if (!physical_node) { retval = -ENOMEM; goto err; } mutex_lock(&acpi_dev->physical_node_lock); + + /* Sanity check. */ + list_for_each_entry(pn, &acpi_dev->physical_node_list, node) + if (pn->dev == dev) { + dev_warn(dev, "Already associated with ACPI node\n"); + goto err_free; + } + /* allocate physical node id according to physical_node_id_bitmap */ physical_node->node_id = find_first_zero_bit(acpi_dev->physical_node_id_bitmap, ACPI_MAX_PHYSICAL_NODE); if (physical_node->node_id >= ACPI_MAX_PHYSICAL_NODE) { retval = -ENOSPC; - mutex_unlock(&acpi_dev->physical_node_lock); - kfree(physical_node); - goto err; + goto err_free; } set_bit(physical_node->node_id, acpi_dev->physical_node_id_bitmap); physical_node->dev = dev; list_add_tail(&physical_node->node, &acpi_dev->physical_node_list); acpi_dev->physical_node_count++; + mutex_unlock(&acpi_dev->physical_node_lock); - dev->archdata.acpi_handle = handle; + if (!ACPI_HANDLE(dev)) + ACPI_HANDLE_SET(dev, acpi_dev->handle); if (!physical_node->node_id) strcpy(physical_node_name, PHYSICAL_NODE_STRING); @@ -187,8 +200,14 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle) return 0; err: + ACPI_HANDLE_SET(dev, NULL); put_device(dev); return retval; + + err_free: + mutex_unlock(&acpi_dev->physical_node_lock); + kfree(physical_node); + goto err; } static int acpi_unbind_one(struct device *dev) @@ -198,11 +217,10 @@ static int acpi_unbind_one(struct device *dev) acpi_status status; struct list_head *node, *next; - if (!dev->archdata.acpi_handle) + if (!ACPI_HANDLE(dev)) return 0; - status = acpi_bus_get_device(dev->archdata.acpi_handle, - &acpi_dev); + status = acpi_bus_get_device(ACPI_HANDLE(dev), &acpi_dev); if (ACPI_FAILURE(status)) goto err; @@ -228,7 +246,7 @@ static int acpi_unbind_one(struct device *dev) sysfs_remove_link(&acpi_dev->dev.kobj, physical_node_name); sysfs_remove_link(&dev->kobj, "firmware_node"); - dev->archdata.acpi_handle = NULL; + ACPI_HANDLE_SET(dev, NULL); /* acpi_bind_one increase refcnt by one */ put_device(dev); kfree(entry); @@ -248,6 +266,10 @@ static int acpi_platform_notify(struct device *dev) acpi_handle handle; int ret = -EINVAL; + ret = acpi_bind_one(dev, NULL); + if (!ret) + goto out; + if (!dev->bus || !dev->parent) { /* bridge devices genernally haven't bus or parent */ ret = acpi_find_bridge_device(dev, &handle); @@ -261,16 +283,16 @@ static int acpi_platform_notify(struct device *dev) } if ((ret = type->find_device(dev, &handle)) != 0) DBG("Can't get handler for %s\n", dev_name(dev)); - end: + end: if (!ret) acpi_bind_one(dev, handle); + out: #if ACPI_GLUE_DEBUG if (!ret) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - acpi_get_name(dev->archdata.acpi_handle, - ACPI_FULL_PATHNAME, &buffer); + acpi_get_name(dev->acpi_handle, ACPI_FULL_PATHNAME, &buffer); DBG("Device %s -> %s\n", dev_name(dev), (char *)buffer.pointer); kfree(buffer.pointer); } else diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 509dcaa..3c407cd 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -93,4 +93,11 @@ static inline int suspend_nvs_save(void) { return 0; } static inline void suspend_nvs_restore(void) {} #endif +/*-------------------------------------------------------------------------- + Platform bus support + -------------------------------------------------------------------------- */ +struct platform_device; + +struct platform_device *acpi_create_platform_device(struct acpi_device *adev); + #endif /* _ACPI_INTERNAL_H_ */ diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index f2c3d74..23a0324 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -495,11 +495,6 @@ int acpi_pci_irq_enable(struct pci_dev *dev) return 0; } -/* FIXME: implement x86/x86_64 version */ -void __attribute__ ((weak)) acpi_unregister_gsi(u32 i) -{ -} - void acpi_pci_irq_disable(struct pci_dev *dev) { struct acpi_prt_entry *entry; diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c new file mode 100644 index 0000000..a3868f6 --- /dev/null +++ b/drivers/acpi/resource.c @@ -0,0 +1,526 @@ +/* + * drivers/acpi/resource.c - ACPI device resources interpretation. + * + * Copyright (C) 2012, Intel Corp. + * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + * + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + */ + +#include <linux/acpi.h> +#include <linux/device.h> +#include <linux/export.h> +#include <linux/ioport.h> +#include <linux/slab.h> + +#ifdef CONFIG_X86 +#define valid_IRQ(i) (((i) != 0) && ((i) != 2)) +#else +#define valid_IRQ(i) (true) +#endif + +static unsigned long acpi_dev_memresource_flags(u64 len, u8 write_protect, + bool window) +{ + unsigned long flags = IORESOURCE_MEM; + + if (len == 0) + flags |= IORESOURCE_DISABLED; + + if (write_protect == ACPI_READ_WRITE_MEMORY) + flags |= IORESOURCE_MEM_WRITEABLE; + + if (window) + flags |= IORESOURCE_WINDOW; + + return flags; +} + +static void acpi_dev_get_memresource(struct resource *res, u64 start, u64 len, + u8 write_protect) +{ + res->start = start; + res->end = start + len - 1; + res->flags = acpi_dev_memresource_flags(len, write_protect, false); +} + +/** + * acpi_dev_resource_memory - Extract ACPI memory resource information. + * @ares: Input ACPI resource object. + * @res: Output generic resource object. + * + * Check if the given ACPI resource object represents a memory resource and + * if that's the case, use the information in it to populate the generic + * resource object pointed to by @res. + */ +bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res) +{ + struct acpi_resource_memory24 *memory24; + struct acpi_resource_memory32 *memory32; + struct acpi_resource_fixed_memory32 *fixed_memory32; + + switch (ares->type) { + case ACPI_RESOURCE_TYPE_MEMORY24: + memory24 = &ares->data.memory24; + acpi_dev_get_memresource(res, memory24->minimum, + memory24->address_length, + memory24->write_protect); + break; + case ACPI_RESOURCE_TYPE_MEMORY32: + memory32 = &ares->data.memory32; + acpi_dev_get_memresource(res, memory32->minimum, + memory32->address_length, + memory32->write_protect); + break; + case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: + fixed_memory32 = &ares->data.fixed_memory32; + acpi_dev_get_memresource(res, fixed_memory32->address, + fixed_memory32->address_length, + fixed_memory32->write_protect); + break; + default: + return false; + } + return true; +} +EXPORT_SYMBOL_GPL(acpi_dev_resource_memory); + +static unsigned int acpi_dev_ioresource_flags(u64 start, u64 end, u8 io_decode, + bool window) +{ + int flags = IORESOURCE_IO; + + if (io_decode == ACPI_DECODE_16) + flags |= IORESOURCE_IO_16BIT_ADDR; + + if (start > end || end >= 0x10003) + flags |= IORESOURCE_DISABLED; + + if (window) + flags |= IORESOURCE_WINDOW; + + return flags; +} + +static void acpi_dev_get_ioresource(struct resource *res, u64 start, u64 len, + u8 io_decode) +{ + u64 end = start + len - 1; + + res->start = start; + res->end = end; + res->flags = acpi_dev_ioresource_flags(start, end, io_decode, false); +} + +/** + * acpi_dev_resource_io - Extract ACPI I/O resource information. + * @ares: Input ACPI resource object. + * @res: Output generic resource object. + * + * Check if the given ACPI resource object represents an I/O resource and + * if that's the case, use the information in it to populate the generic + * resource object pointed to by @res. + */ +bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res) +{ + struct acpi_resource_io *io; + struct acpi_resource_fixed_io *fixed_io; + + switch (ares->type) { + case ACPI_RESOURCE_TYPE_IO: + io = &ares->data.io; + acpi_dev_get_ioresource(res, io->minimum, + io->address_length, + io->io_decode); + break; + case ACPI_RESOURCE_TYPE_FIXED_IO: + fixed_io = &ares->data.fixed_io; + acpi_dev_get_ioresource(res, fixed_io->address, + fixed_io->address_length, + ACPI_DECODE_10); + break; + default: + return false; + } + return true; +} +EXPORT_SYMBOL_GPL(acpi_dev_resource_io); + +/** + * acpi_dev_resource_address_space - Extract ACPI address space information. + * @ares: Input ACPI resource object. + * @res: Output generic resource object. + * + * Check if the given ACPI resource object represents an address space resource + * and if that's the case, use the information in it to populate the generic + * resource object pointed to by @res. + */ +bool acpi_dev_resource_address_space(struct acpi_resource *ares, + struct resource *res) +{ + acpi_status status; + struct acpi_resource_address64 addr; + bool window; + u64 len; + u8 io_decode; + + switch (ares->type) { + case ACPI_RESOURCE_TYPE_ADDRESS16: + case ACPI_RESOURCE_TYPE_ADDRESS32: + case ACPI_RESOURCE_TYPE_ADDRESS64: + break; + default: + return false; + } + + status = acpi_resource_to_address64(ares, &addr); + if (ACPI_FAILURE(status)) + return true; + + res->start = addr.minimum; + res->end = addr.maximum; + window = addr.producer_consumer == ACPI_PRODUCER; + + switch(addr.resource_type) { + case ACPI_MEMORY_RANGE: + len = addr.maximum - addr.minimum + 1; + res->flags = acpi_dev_memresource_flags(len, + addr.info.mem.write_protect, + window); + break; + case ACPI_IO_RANGE: + io_decode = addr.granularity == 0xfff ? + ACPI_DECODE_10 : ACPI_DECODE_16; + res->flags = acpi_dev_ioresource_flags(addr.minimum, + addr.maximum, + io_decode, window); + break; + case ACPI_BUS_NUMBER_RANGE: + res->flags = IORESOURCE_BUS; + break; + default: + res->flags = 0; + } + + return true; +} +EXPORT_SYMBOL_GPL(acpi_dev_resource_address_space); + +/** + * acpi_dev_resource_ext_address_space - Extract ACPI address space information. + * @ares: Input ACPI resource object. + * @res: Output generic resource object. + * + * Check if the given ACPI resource object represents an extended address space + * resource and if that's the case, use the information in it to populate the + * generic resource object pointed to by @res. + */ +bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, + struct resource *res) +{ + struct acpi_resource_extended_address64 *ext_addr; + bool window; + u64 len; + u8 io_decode; + + if (ares->type != ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64) + return false; + + ext_addr = &ares->data.ext_address64; + + res->start = ext_addr->minimum; + res->end = ext_addr->maximum; + window = ext_addr->producer_consumer == ACPI_PRODUCER; + + switch(ext_addr->resource_type) { + case ACPI_MEMORY_RANGE: + len = ext_addr->maximum - ext_addr->minimum + 1; + res->flags = acpi_dev_memresource_flags(len, + ext_addr->info.mem.write_protect, + window); + break; + case ACPI_IO_RANGE: + io_decode = ext_addr->granularity == 0xfff ? + ACPI_DECODE_10 : ACPI_DECODE_16; + res->flags = acpi_dev_ioresource_flags(ext_addr->minimum, + ext_addr->maximum, + io_decode, window); + break; + case ACPI_BUS_NUMBER_RANGE: + res->flags = IORESOURCE_BUS; + break; + default: + res->flags = 0; + } + + return true; +} +EXPORT_SYMBOL_GPL(acpi_dev_resource_ext_address_space); + +/** + * acpi_dev_irq_flags - Determine IRQ resource flags. + * @triggering: Triggering type as provided by ACPI. + * @polarity: Interrupt polarity as provided by ACPI. + * @shareable: Whether or not the interrupt is shareable. + */ +unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable) +{ + unsigned long flags; + + if (triggering == ACPI_LEVEL_SENSITIVE) + flags = polarity == ACPI_ACTIVE_LOW ? + IORESOURCE_IRQ_LOWLEVEL : IORESOURCE_IRQ_HIGHLEVEL; + else + flags = polarity == ACPI_ACTIVE_LOW ? + IORESOURCE_IRQ_LOWEDGE : IORESOURCE_IRQ_HIGHEDGE; + + if (shareable == ACPI_SHARED) + flags |= IORESOURCE_IRQ_SHAREABLE; + + return flags | IORESOURCE_IRQ; +} +EXPORT_SYMBOL_GPL(acpi_dev_irq_flags); + +static void acpi_dev_irqresource_disabled(struct resource *res, u32 gsi) +{ + res->start = gsi; + res->end = gsi; + res->flags = IORESOURCE_IRQ | IORESOURCE_DISABLED; +} + +static void acpi_dev_get_irqresource(struct resource *res, u32 gsi, + u8 triggering, u8 polarity, u8 shareable) +{ + int irq, p, t; + + if (!valid_IRQ(gsi)) { + acpi_dev_irqresource_disabled(res, gsi); + return; + } + + /* + * In IO-APIC mode, use overrided attribute. Two reasons: + * 1. BIOS bug in DSDT + * 2. BIOS uses IO-APIC mode Interrupt Source Override + */ + if (!acpi_get_override_irq(gsi, &t, &p)) { + u8 trig = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE; + u8 pol = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH; + + if (triggering != trig || polarity != pol) { + pr_warning("ACPI: IRQ %d override to %s, %s\n", gsi, + t ? "edge" : "level", p ? "low" : "high"); + triggering = trig; + polarity = pol; + } + } + + res->flags = acpi_dev_irq_flags(triggering, polarity, shareable); + irq = acpi_register_gsi(NULL, gsi, triggering, polarity); + if (irq >= 0) { + res->start = irq; + res->end = irq; + } else { + acpi_dev_irqresource_disabled(res, gsi); + } +} + +/** + * acpi_dev_resource_interrupt - Extract ACPI interrupt resource information. + * @ares: Input ACPI resource object. + * @index: Index into the array of GSIs represented by the resource. + * @res: Output generic resource object. + * + * Check if the given ACPI resource object represents an interrupt resource + * and @index does not exceed the resource's interrupt count (true is returned + * in that case regardless of the results of the other checks)). If that's the + * case, register the GSI corresponding to @index from the array of interrupts + * represented by the resource and populate the generic resource object pointed + * to by @res accordingly. If the registration of the GSI is not successful, + * IORESOURCE_DISABLED will be set it that object's flags. + */ +bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, + struct resource *res) +{ + struct acpi_resource_irq *irq; + struct acpi_resource_extended_irq *ext_irq; + + switch (ares->type) { + case ACPI_RESOURCE_TYPE_IRQ: + /* + * Per spec, only one interrupt per descriptor is allowed in + * _CRS, but some firmware violates this, so parse them all. + */ + irq = &ares->data.irq; + if (index >= irq->interrupt_count) { + acpi_dev_irqresource_disabled(res, 0); + return false; + } + acpi_dev_get_irqresource(res, irq->interrupts[index], + irq->triggering, irq->polarity, + irq->sharable); + break; + case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: + ext_irq = &ares->data.extended_irq; + if (index >= ext_irq->interrupt_count) { + acpi_dev_irqresource_disabled(res, 0); + return false; + } + acpi_dev_get_irqresource(res, ext_irq->interrupts[index], + ext_irq->triggering, ext_irq->polarity, + ext_irq->sharable); + break; + default: + return false; + } + + return true; +} +EXPORT_SYMBOL_GPL(acpi_dev_resource_interrupt); + +/** + * acpi_dev_free_resource_list - Free resource from %acpi_dev_get_resources(). + * @list: The head of the resource list to free. + */ +void acpi_dev_free_resource_list(struct list_head *list) +{ + struct resource_list_entry *rentry, *re; + + list_for_each_entry_safe(rentry, re, list, node) { + list_del(&rentry->node); + kfree(rentry); + } +} +EXPORT_SYMBOL_GPL(acpi_dev_free_resource_list); + +struct res_proc_context { + struct list_head *list; + int (*preproc)(struct acpi_resource *, void *); + void *preproc_data; + int count; + int error; +}; + +static acpi_status acpi_dev_new_resource_entry(struct resource *r, + struct res_proc_context *c) +{ + struct resource_list_entry *rentry; + + rentry = kmalloc(sizeof(*rentry), GFP_KERNEL); + if (!rentry) { + c->error = -ENOMEM; + return AE_NO_MEMORY; + } + rentry->res = *r; + list_add_tail(&rentry->node, c->list); + c->count++; + return AE_OK; +} + +static acpi_status acpi_dev_process_resource(struct acpi_resource *ares, + void *context) +{ + struct res_proc_context *c = context; + struct resource r; + int i; + + if (c->preproc) { + int ret; + + ret = c->preproc(ares, c->preproc_data); + if (ret < 0) { + c->error = ret; + return AE_CTRL_TERMINATE; + } else if (ret > 0) { + return AE_OK; + } + } + + memset(&r, 0, sizeof(r)); + + if (acpi_dev_resource_memory(ares, &r) + || acpi_dev_resource_io(ares, &r) + || acpi_dev_resource_address_space(ares, &r) + || acpi_dev_resource_ext_address_space(ares, &r)) + return acpi_dev_new_resource_entry(&r, c); + + for (i = 0; acpi_dev_resource_interrupt(ares, i, &r); i++) { + acpi_status status; + + status = acpi_dev_new_resource_entry(&r, c); + if (ACPI_FAILURE(status)) + return status; + } + + return AE_OK; +} + +/** + * acpi_dev_get_resources - Get current resources of a device. + * @adev: ACPI device node to get the resources for. + * @list: Head of the resultant list of resources (must be empty). + * @preproc: The caller's preprocessing routine. + * @preproc_data: Pointer passed to the caller's preprocessing routine. + * + * Evaluate the _CRS method for the given device node and process its output by + * (1) executing the @preproc() rountine provided by the caller, passing the + * resource pointer and @preproc_data to it as arguments, for each ACPI resource + * returned and (2) converting all of the returned ACPI resources into struct + * resource objects if possible. If the return value of @preproc() in step (1) + * is different from 0, step (2) is not applied to the given ACPI resource and + * if that value is negative, the whole processing is aborted and that value is + * returned as the final error code. + * + * The resultant struct resource objects are put on the list pointed to by + * @list, that must be empty initially, as members of struct resource_list_entry + * objects. Callers of this routine should use %acpi_dev_free_resource_list() to + * free that list. + * + * The number of resources in the output list is returned on success, an error + * code reflecting the error condition is returned otherwise. + */ +int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, + int (*preproc)(struct acpi_resource *, void *), + void *preproc_data) +{ + struct res_proc_context c; + acpi_handle not_used; + acpi_status status; + + if (!adev || !adev->handle || !list_empty(list)) + return -EINVAL; + + status = acpi_get_handle(adev->handle, METHOD_NAME__CRS, ¬_used); + if (ACPI_FAILURE(status)) + return 0; + + c.list = list; + c.preproc = preproc; + c.preproc_data = preproc_data; + c.count = 0; + c.error = 0; + status = acpi_walk_resources(adev->handle, METHOD_NAME__CRS, + acpi_dev_process_resource, &c); + if (ACPI_FAILURE(status)) { + acpi_dev_free_resource_list(list); + return c.error ? c.error : -EIO; + } + + return c.count; +} +EXPORT_SYMBOL_GPL(acpi_dev_get_resources); diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index d0b38ab..67a7fa6 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -29,6 +29,17 @@ extern struct acpi_device *acpi_root; static const char *dummy_hid = "device"; +/* + * The following ACPI IDs are known to be suitable for representing as + * platform devices. + */ +static const struct acpi_device_id acpi_platform_device_ids[] = { + + { "PNP0D40" }, + + { } +}; + static LIST_HEAD(acpi_device_list); static LIST_HEAD(acpi_bus_id_list); DEFINE_MUTEX(acpi_device_lock); @@ -397,8 +408,8 @@ static void acpi_device_remove_files(struct acpi_device *dev) ACPI Bus operations -------------------------------------------------------------------------- */ -int acpi_match_device_ids(struct acpi_device *device, - const struct acpi_device_id *ids) +static const struct acpi_device_id *__acpi_match_device( + struct acpi_device *device, const struct acpi_device_id *ids) { const struct acpi_device_id *id; struct acpi_hardware_id *hwid; @@ -408,14 +419,44 @@ int acpi_match_device_ids(struct acpi_device *device, * driver for it. */ if (!device->status.present) - return -ENODEV; + return NULL; for (id = ids; id->id[0]; id++) list_for_each_entry(hwid, &device->pnp.ids, list) if (!strcmp((char *) id->id, hwid->id)) - return 0; + return id; + + return NULL; +} + +/** + * acpi_match_device - Match a struct device against a given list of ACPI IDs + * @ids: Array of struct acpi_device_id object to match against. + * @dev: The device structure to match. + * + * Check if @dev has a valid ACPI handle and if there is a struct acpi_device + * object for that handle and use that object to match against a given list of + * device IDs. + * + * Return a pointer to the first matching ID on success or %NULL on failure. + */ +const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, + const struct device *dev) +{ + struct acpi_device *adev; - return -ENOENT; + if (!ids || !ACPI_HANDLE(dev) + || ACPI_FAILURE(acpi_bus_get_device(ACPI_HANDLE(dev), &adev))) + return NULL; + + return __acpi_match_device(adev, ids); +} +EXPORT_SYMBOL_GPL(acpi_match_device); + +int acpi_match_device_ids(struct acpi_device *device, + const struct acpi_device_id *ids) +{ + return __acpi_match_device(device, ids) ? 0 : -ENOENT; } EXPORT_SYMBOL(acpi_match_device_ids); @@ -1023,8 +1064,10 @@ static int acpi_bus_get_power_flags(struct acpi_device *device) * D3hot is only valid if _PR3 present. */ if (ps->resources.count || - (ps->flags.explicit_set && i < ACPI_STATE_D3_HOT)) + (ps->flags.explicit_set && i < ACPI_STATE_D3_HOT)) { ps->flags.valid = 1; + ps->flags.os_accessible = 1; + } ps->power = -1; /* Unknown - driver assigned */ ps->latency = -1; /* Unknown - driver assigned */ @@ -1040,6 +1083,11 @@ static int acpi_bus_get_power_flags(struct acpi_device *device) if (device->power.states[ACPI_STATE_D3_HOT].flags.explicit_set) device->power.states[ACPI_STATE_D3_COLD].flags.explicit_set = 1; + /* Presence of _PS3 or _PRx means we can put the device into D3 cold */ + if (device->power.states[ACPI_STATE_D3_HOT].flags.explicit_set || + device->power.flags.power_resources) + device->power.states[ACPI_STATE_D3_COLD].flags.os_accessible = 1; + acpi_bus_init_power(device); return 0; @@ -1238,7 +1286,7 @@ static void acpi_device_set_id(struct acpi_device *device) { acpi_status status; struct acpi_device_info *info; - struct acpica_device_id_list *cid_list; + struct acpi_pnp_device_id_list *cid_list; int i; switch (device->device_type) { @@ -1539,8 +1587,13 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl, */ device = NULL; acpi_bus_get_device(handle, &device); - if (ops->acpi_op_add && !device) + if (ops->acpi_op_add && !device) { acpi_add_single_object(&device, handle, type, sta, ops); + /* Is the device a known good platform device? */ + if (device + && !acpi_match_device_ids(device, acpi_platform_device_ids)) + acpi_create_platform_device(device); + } if (!device) return AE_CTRL_DEPTH; diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 1463c56..1e25319 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -18,7 +18,6 @@ #include <linux/reboot.h> #include <linux/acpi.h> #include <linux/module.h> -#include <linux/pm_runtime.h> #include <asm/io.h> @@ -81,6 +80,12 @@ static int acpi_sleep_prepare(u32 acpi_state) #ifdef CONFIG_ACPI_SLEEP static u32 acpi_target_sleep_state = ACPI_STATE_S0; + +u32 acpi_target_system_state(void) +{ + return acpi_target_sleep_state; +} + static bool pwr_btn_event_pending; /* @@ -704,177 +709,6 @@ int acpi_suspend(u32 acpi_state) return -EINVAL; } -#ifdef CONFIG_PM -/** - * acpi_pm_device_sleep_state - return preferred power state of ACPI device - * in the system sleep state given by %acpi_target_sleep_state - * @dev: device to examine; its driver model wakeup flags control - * whether it should be able to wake up the system - * @d_min_p: used to store the upper limit of allowed states range - * @d_max_in: specify the lowest allowed states - * Return value: preferred power state of the device on success, -ENODEV - * (ie. if there's no 'struct acpi_device' for @dev) or -EINVAL on failure - * - * Find the lowest power (highest number) ACPI device power state that - * device @dev can be in while the system is in the sleep state represented - * by %acpi_target_sleep_state. If @wake is nonzero, the device should be - * able to wake up the system from this sleep state. If @d_min_p is set, - * the highest power (lowest number) device power state of @dev allowed - * in this system sleep state is stored at the location pointed to by it. - * - * The caller must ensure that @dev is valid before using this function. - * The caller is also responsible for figuring out if the device is - * supposed to be able to wake up the system and passing this information - * via @wake. - */ - -int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p, int d_max_in) -{ - acpi_handle handle = DEVICE_ACPI_HANDLE(dev); - struct acpi_device *adev; - char acpi_method[] = "_SxD"; - unsigned long long d_min, d_max; - - if (d_max_in < ACPI_STATE_D0 || d_max_in > ACPI_STATE_D3) - return -EINVAL; - if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) { - printk(KERN_DEBUG "ACPI handle has no context!\n"); - return -ENODEV; - } - - acpi_method[2] = '0' + acpi_target_sleep_state; - /* - * If the sleep state is S0, the lowest limit from ACPI is D3, - * but if the device has _S0W, we will use the value from _S0W - * as the lowest limit from ACPI. Finally, we will constrain - * the lowest limit with the specified one. - */ - d_min = ACPI_STATE_D0; - d_max = ACPI_STATE_D3; - - /* - * If present, _SxD methods return the minimum D-state (highest power - * state) we can use for the corresponding S-states. Otherwise, the - * minimum D-state is D0 (ACPI 3.x). - * - * NOTE: We rely on acpi_evaluate_integer() not clobbering the integer - * provided -- that's our fault recovery, we ignore retval. - */ - if (acpi_target_sleep_state > ACPI_STATE_S0) - acpi_evaluate_integer(handle, acpi_method, NULL, &d_min); - - /* - * If _PRW says we can wake up the system from the target sleep state, - * the D-state returned by _SxD is sufficient for that (we assume a - * wakeup-aware driver if wake is set). Still, if _SxW exists - * (ACPI 3.x), it should return the maximum (lowest power) D-state that - * can wake the system. _S0W may be valid, too. - */ - if (acpi_target_sleep_state == ACPI_STATE_S0 || - (device_may_wakeup(dev) && adev->wakeup.flags.valid && - adev->wakeup.sleep_state >= acpi_target_sleep_state)) { - acpi_status status; - - acpi_method[3] = 'W'; - status = acpi_evaluate_integer(handle, acpi_method, NULL, - &d_max); - if (ACPI_FAILURE(status)) { - if (acpi_target_sleep_state != ACPI_STATE_S0 || - status != AE_NOT_FOUND) - d_max = d_min; - } else if (d_max < d_min) { - /* Warn the user of the broken DSDT */ - printk(KERN_WARNING "ACPI: Wrong value from %s\n", - acpi_method); - /* Sanitize it */ - d_min = d_max; - } - } - - if (d_max_in < d_min) - return -EINVAL; - if (d_min_p) - *d_min_p = d_min; - /* constrain d_max with specified lowest limit (max number) */ - if (d_max > d_max_in) { - for (d_max = d_max_in; d_max > d_min; d_max--) { - if (adev->power.states[d_max].flags.valid) - break; - } - } - return d_max; -} -EXPORT_SYMBOL(acpi_pm_device_sleep_state); -#endif /* CONFIG_PM */ - -#ifdef CONFIG_PM_SLEEP -/** - * acpi_pm_device_run_wake - Enable/disable wake-up for given device. - * @phys_dev: Device to enable/disable the platform to wake-up the system for. - * @enable: Whether enable or disable the wake-up functionality. - * - * Find the ACPI device object corresponding to @pci_dev and try to - * enable/disable the GPE associated with it. - */ -int acpi_pm_device_run_wake(struct device *phys_dev, bool enable) -{ - struct acpi_device *dev; - acpi_handle handle; - - if (!device_run_wake(phys_dev)) - return -EINVAL; - - handle = DEVICE_ACPI_HANDLE(phys_dev); - if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &dev))) { - dev_dbg(phys_dev, "ACPI handle has no context in %s!\n", - __func__); - return -ENODEV; - } - - if (enable) { - acpi_enable_wakeup_device_power(dev, ACPI_STATE_S0); - acpi_enable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number); - } else { - acpi_disable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number); - acpi_disable_wakeup_device_power(dev); - } - - return 0; -} -EXPORT_SYMBOL(acpi_pm_device_run_wake); - -/** - * acpi_pm_device_sleep_wake - enable or disable the system wake-up - * capability of given device - * @dev: device to handle - * @enable: 'true' - enable, 'false' - disable the wake-up capability - */ -int acpi_pm_device_sleep_wake(struct device *dev, bool enable) -{ - acpi_handle handle; - struct acpi_device *adev; - int error; - - if (!device_can_wakeup(dev)) - return -EINVAL; - - handle = DEVICE_ACPI_HANDLE(dev); - if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &adev))) { - dev_dbg(dev, "ACPI handle has no context in %s!\n", __func__); - return -ENODEV; - } - - error = enable ? - acpi_enable_wakeup_device_power(adev, acpi_target_sleep_state) : - acpi_disable_wakeup_device_power(adev); - if (!error) - dev_info(dev, "wake-up capability %s by ACPI\n", - enable ? "enabled" : "disabled"); - - return error; -} -#endif /* CONFIG_PM_SLEEP */ - static void acpi_power_off_prepare(void) { /* Prepare to power off the system */ diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 7c3f98b..ea61ca9 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -476,7 +476,7 @@ static void fixed_event_count(u32 event_number) return; } -static void acpi_gbl_event_handler(u32 event_type, acpi_handle device, +static void acpi_global_event_handler(u32 event_type, acpi_handle device, u32 event_number, void *context) { if (event_type == ACPI_EVENT_TYPE_GPE) @@ -638,7 +638,7 @@ void acpi_irq_stats_init(void) if (all_counters == NULL) goto fail; - status = acpi_install_global_event_handler(acpi_gbl_event_handler, NULL); + status = acpi_install_global_event_handler(acpi_global_event_handler, NULL); if (ACPI_FAILURE(status)) goto fail; diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index b1ae480..b7078af 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -238,7 +238,7 @@ static int __devexit ahci_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int ahci_suspend(struct device *dev) { struct ahci_platform_data *pdata = dev_get_platdata(dev); diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index fd9ecf7..5b0ba3f 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -1105,10 +1105,15 @@ static int ata_acpi_bind_device(struct ata_port *ap, struct scsi_device *sdev, struct acpi_device *acpi_dev; struct acpi_device_power_state *states; - if (ap->flags & ATA_FLAG_ACPI_SATA) - ata_dev = &ap->link.device[sdev->channel]; - else + if (ap->flags & ATA_FLAG_ACPI_SATA) { + if (!sata_pmp_attached(ap)) + ata_dev = &ap->link.device[sdev->id]; + else + ata_dev = &ap->pmp_link[sdev->channel].device[sdev->id]; + } + else { ata_dev = &ap->link.device[sdev->id]; + } *handle = ata_dev_acpi_handle(ata_dev); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 3cc7096..f46fbd3 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2942,6 +2942,10 @@ const struct ata_timing *ata_timing_find_mode(u8 xfer_mode) if (xfer_mode == t->mode) return t; + + WARN_ONCE(true, "%s: unable to find timing for xfer_mode 0x%x\n", + __func__, xfer_mode); + return NULL; } diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index e3bda07..a6df6a3 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1052,6 +1052,8 @@ static void ata_scsi_sdev_config(struct scsi_device *sdev) { sdev->use_10_for_rw = 1; sdev->use_10_for_ms = 1; + sdev->no_report_opcodes = 1; + sdev->no_write_same = 1; /* Schedule policy is determined by ->qc_defer() callback and * it needs to see every deferred qc. Set dev_blocked to 1 to diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c index 26201eb..371fd2c 100644 --- a/drivers/ata/pata_arasan_cf.c +++ b/drivers/ata/pata_arasan_cf.c @@ -317,6 +317,12 @@ static int cf_init(struct arasan_cf_dev *acdev) return ret; } + ret = clk_set_rate(acdev->clk, 166000000); + if (ret) { + dev_warn(acdev->host->dev, "clock set rate failed"); + return ret; + } + spin_lock_irqsave(&acdev->host->lock, flags); /* configure CF interface clock */ writel((pdata->cf_if_clk <= CF_IF_CLK_200M) ? pdata->cf_if_clk : @@ -908,7 +914,7 @@ static int __devexit arasan_cf_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int arasan_cf_suspend(struct device *dev) { struct ata_host *host = dev_get_drvdata(dev); diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c index 0d7c4c2..400bf1c 100644 --- a/drivers/ata/sata_highbank.c +++ b/drivers/ata/sata_highbank.c @@ -260,7 +260,7 @@ static const struct of_device_id ahci_of_match[] = { }; MODULE_DEVICE_TABLE(of, ahci_of_match); -static int __init ahci_highbank_probe(struct platform_device *pdev) +static int __devinit ahci_highbank_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct ahci_host_priv *hpriv; @@ -378,7 +378,7 @@ static int __devexit ahci_highbank_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int ahci_highbank_suspend(struct device *dev) { struct ata_host *host = dev_get_drvdata(dev); diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c index 44a4256..08608de 100644 --- a/drivers/ata/sata_svw.c +++ b/drivers/ata/sata_svw.c @@ -142,6 +142,39 @@ static int k2_sata_scr_write(struct ata_link *link, return 0; } +static int k2_sata_softreset(struct ata_link *link, + unsigned int *class, unsigned long deadline) +{ + u8 dmactl; + void __iomem *mmio = link->ap->ioaddr.bmdma_addr; + + dmactl = readb(mmio + ATA_DMA_CMD); + + /* Clear the start bit */ + if (dmactl & ATA_DMA_START) { + dmactl &= ~ATA_DMA_START; + writeb(dmactl, mmio + ATA_DMA_CMD); + } + + return ata_sff_softreset(link, class, deadline); +} + +static int k2_sata_hardreset(struct ata_link *link, + unsigned int *class, unsigned long deadline) +{ + u8 dmactl; + void __iomem *mmio = link->ap->ioaddr.bmdma_addr; + + dmactl = readb(mmio + ATA_DMA_CMD); + + /* Clear the start bit */ + if (dmactl & ATA_DMA_START) { + dmactl &= ~ATA_DMA_START; + writeb(dmactl, mmio + ATA_DMA_CMD); + } + + return sata_sff_hardreset(link, class, deadline); +} static void k2_sata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf) { @@ -346,6 +379,8 @@ static struct scsi_host_template k2_sata_sht = { static struct ata_port_operations k2_sata_ops = { .inherits = &ata_bmdma_port_ops, + .softreset = k2_sata_softreset, + .hardreset = k2_sata_hardreset, .sff_tf_load = k2_sata_tf_load, .sff_tf_read = k2_sata_tf_read, .sff_check_status = k2_stat_check_status, diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 72c776f..b2ee3bc 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -21,6 +21,7 @@ #include <linux/slab.h> #include <linux/pm_runtime.h> #include <linux/idr.h> +#include <linux/acpi.h> #include "base.h" #include "power/power.h" @@ -436,6 +437,7 @@ struct platform_device *platform_device_register_full( goto err_alloc; pdev->dev.parent = pdevinfo->parent; + ACPI_HANDLE_SET(&pdev->dev, pdevinfo->acpi_node.handle); if (pdevinfo->dma_mask) { /* @@ -466,6 +468,7 @@ struct platform_device *platform_device_register_full( ret = platform_device_add(pdev); if (ret) { err: + ACPI_HANDLE_SET(&pdev->dev, NULL); kfree(pdev->dev.dma_mask); err_alloc: @@ -481,8 +484,16 @@ static int platform_drv_probe(struct device *_dev) { struct platform_driver *drv = to_platform_driver(_dev->driver); struct platform_device *dev = to_platform_device(_dev); + int ret; - return drv->probe(dev); + if (ACPI_HANDLE(_dev)) + acpi_dev_pm_attach(_dev, true); + + ret = drv->probe(dev); + if (ret && ACPI_HANDLE(_dev)) + acpi_dev_pm_detach(_dev, true); + + return ret; } static int platform_drv_probe_fail(struct device *_dev) @@ -494,8 +505,13 @@ static int platform_drv_remove(struct device *_dev) { struct platform_driver *drv = to_platform_driver(_dev->driver); struct platform_device *dev = to_platform_device(_dev); + int ret; + + ret = drv->remove(dev); + if (ACPI_HANDLE(_dev)) + acpi_dev_pm_detach(_dev, true); - return drv->remove(dev); + return ret; } static void platform_drv_shutdown(struct device *_dev) @@ -504,6 +520,8 @@ static void platform_drv_shutdown(struct device *_dev) struct platform_device *dev = to_platform_device(_dev); drv->shutdown(dev); + if (ACPI_HANDLE(_dev)) + acpi_dev_pm_detach(_dev, true); } /** @@ -709,6 +727,10 @@ static int platform_match(struct device *dev, struct device_driver *drv) if (of_driver_match_device(dev, drv)) return 1; + /* Then try ACPI style match */ + if (acpi_driver_match_device(dev, drv)) + return 1; + /* Then try to match against the id table */ if (pdrv->id_table) return platform_match_id(pdrv->id_table, pdev) != NULL; diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 96b71b6..acc3a8d 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -470,10 +470,19 @@ static int pm_genpd_poweroff(struct generic_pm_domain *genpd) return -EBUSY; not_suspended = 0; - list_for_each_entry(pdd, &genpd->dev_list, list_node) + list_for_each_entry(pdd, &genpd->dev_list, list_node) { + enum pm_qos_flags_status stat; + + stat = dev_pm_qos_flags(pdd->dev, + PM_QOS_FLAG_NO_POWER_OFF + | PM_QOS_FLAG_REMOTE_WAKEUP); + if (stat > PM_QOS_FLAGS_NONE) + return -EBUSY; + if (pdd->dev->driver && (!pm_runtime_suspended(pdd->dev) || pdd->dev->power.irq_safe)) not_suspended++; + } if (not_suspended > genpd->in_progress) return -EBUSY; diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index 0dbfdf4..b16686a 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -93,8 +93,10 @@ extern void dpm_sysfs_remove(struct device *dev); extern void rpm_sysfs_remove(struct device *dev); extern int wakeup_sysfs_add(struct device *dev); extern void wakeup_sysfs_remove(struct device *dev); -extern int pm_qos_sysfs_add(struct device *dev); -extern void pm_qos_sysfs_remove(struct device *dev); +extern int pm_qos_sysfs_add_latency(struct device *dev); +extern void pm_qos_sysfs_remove_latency(struct device *dev); +extern int pm_qos_sysfs_add_flags(struct device *dev); +extern void pm_qos_sysfs_remove_flags(struct device *dev); #else /* CONFIG_PM */ diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index 74a67e0..ff46387 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -40,6 +40,7 @@ #include <linux/device.h> #include <linux/mutex.h> #include <linux/export.h> +#include <linux/pm_runtime.h> #include "power.h" @@ -48,6 +49,50 @@ static DEFINE_MUTEX(dev_pm_qos_mtx); static BLOCKING_NOTIFIER_HEAD(dev_pm_notifiers); /** + * __dev_pm_qos_flags - Check PM QoS flags for a given device. + * @dev: Device to check the PM QoS flags for. + * @mask: Flags to check against. + * + * This routine must be called with dev->power.lock held. + */ +enum pm_qos_flags_status __dev_pm_qos_flags(struct device *dev, s32 mask) +{ + struct dev_pm_qos *qos = dev->power.qos; + struct pm_qos_flags *pqf; + s32 val; + + if (!qos) + return PM_QOS_FLAGS_UNDEFINED; + + pqf = &qos->flags; + if (list_empty(&pqf->list)) + return PM_QOS_FLAGS_UNDEFINED; + + val = pqf->effective_flags & mask; + if (val) + return (val == mask) ? PM_QOS_FLAGS_ALL : PM_QOS_FLAGS_SOME; + + return PM_QOS_FLAGS_NONE; +} + +/** + * dev_pm_qos_flags - Check PM QoS flags for a given device (locked). + * @dev: Device to check the PM QoS flags for. + * @mask: Flags to check against. + */ +enum pm_qos_flags_status dev_pm_qos_flags(struct device *dev, s32 mask) +{ + unsigned long irqflags; + enum pm_qos_flags_status ret; + + spin_lock_irqsave(&dev->power.lock, irqflags); + ret = __dev_pm_qos_flags(dev, mask); + spin_unlock_irqrestore(&dev->power.lock, irqflags); + + return ret; +} + +/** * __dev_pm_qos_read_value - Get PM QoS constraint for a given device. * @dev: Device to get the PM QoS constraint value for. * @@ -55,9 +100,7 @@ static BLOCKING_NOTIFIER_HEAD(dev_pm_notifiers); */ s32 __dev_pm_qos_read_value(struct device *dev) { - struct pm_qos_constraints *c = dev->power.constraints; - - return c ? pm_qos_read_value(c) : 0; + return dev->power.qos ? pm_qos_read_value(&dev->power.qos->latency) : 0; } /** @@ -76,30 +119,39 @@ s32 dev_pm_qos_read_value(struct device *dev) return ret; } -/* - * apply_constraint - * @req: constraint request to apply - * @action: action to perform add/update/remove, of type enum pm_qos_req_action - * @value: defines the qos request +/** + * apply_constraint - Add/modify/remove device PM QoS request. + * @req: Constraint request to apply + * @action: Action to perform (add/update/remove). + * @value: Value to assign to the QoS request. * * Internal function to update the constraints list using the PM QoS core * code and if needed call the per-device and the global notification * callbacks */ static int apply_constraint(struct dev_pm_qos_request *req, - enum pm_qos_req_action action, int value) + enum pm_qos_req_action action, s32 value) { - int ret, curr_value; - - ret = pm_qos_update_target(req->dev->power.constraints, - &req->node, action, value); + struct dev_pm_qos *qos = req->dev->power.qos; + int ret; - if (ret) { - /* Call the global callbacks if needed */ - curr_value = pm_qos_read_value(req->dev->power.constraints); - blocking_notifier_call_chain(&dev_pm_notifiers, - (unsigned long)curr_value, - req); + switch(req->type) { + case DEV_PM_QOS_LATENCY: + ret = pm_qos_update_target(&qos->latency, &req->data.pnode, + action, value); + if (ret) { + value = pm_qos_read_value(&qos->latency); + blocking_notifier_call_chain(&dev_pm_notifiers, + (unsigned long)value, + req); + } + break; + case DEV_PM_QOS_FLAGS: + ret = pm_qos_update_flags(&qos->flags, &req->data.flr, + action, value); + break; + default: + ret = -EINVAL; } return ret; @@ -114,28 +166,32 @@ static int apply_constraint(struct dev_pm_qos_request *req, */ static int dev_pm_qos_constraints_allocate(struct device *dev) { + struct dev_pm_qos *qos; struct pm_qos_constraints *c; struct blocking_notifier_head *n; - c = kzalloc(sizeof(*c), GFP_KERNEL); - if (!c) + qos = kzalloc(sizeof(*qos), GFP_KERNEL); + if (!qos) return -ENOMEM; n = kzalloc(sizeof(*n), GFP_KERNEL); if (!n) { - kfree(c); + kfree(qos); return -ENOMEM; } BLOCKING_INIT_NOTIFIER_HEAD(n); + c = &qos->latency; plist_head_init(&c->list); c->target_value = PM_QOS_DEV_LAT_DEFAULT_VALUE; c->default_value = PM_QOS_DEV_LAT_DEFAULT_VALUE; c->type = PM_QOS_MIN; c->notifiers = n; + INIT_LIST_HEAD(&qos->flags.list); + spin_lock_irq(&dev->power.lock); - dev->power.constraints = c; + dev->power.qos = qos; spin_unlock_irq(&dev->power.lock); return 0; @@ -151,7 +207,7 @@ static int dev_pm_qos_constraints_allocate(struct device *dev) void dev_pm_qos_constraints_init(struct device *dev) { mutex_lock(&dev_pm_qos_mtx); - dev->power.constraints = NULL; + dev->power.qos = NULL; dev->power.power_state = PMSG_ON; mutex_unlock(&dev_pm_qos_mtx); } @@ -164,24 +220,28 @@ void dev_pm_qos_constraints_init(struct device *dev) */ void dev_pm_qos_constraints_destroy(struct device *dev) { + struct dev_pm_qos *qos; struct dev_pm_qos_request *req, *tmp; struct pm_qos_constraints *c; + struct pm_qos_flags *f; /* - * If the device's PM QoS resume latency limit has been exposed to user - * space, it has to be hidden at this point. + * If the device's PM QoS resume latency limit or PM QoS flags have been + * exposed to user space, they have to be hidden at this point. */ dev_pm_qos_hide_latency_limit(dev); + dev_pm_qos_hide_flags(dev); mutex_lock(&dev_pm_qos_mtx); dev->power.power_state = PMSG_INVALID; - c = dev->power.constraints; - if (!c) + qos = dev->power.qos; + if (!qos) goto out; - /* Flush the constraints list for the device */ - plist_for_each_entry_safe(req, tmp, &c->list, node) { + /* Flush the constraints lists for the device. */ + c = &qos->latency; + plist_for_each_entry_safe(req, tmp, &c->list, data.pnode) { /* * Update constraints list and call the notification * callbacks if needed @@ -189,13 +249,18 @@ void dev_pm_qos_constraints_destroy(struct device *dev) apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); memset(req, 0, sizeof(*req)); } + f = &qos->flags; + list_for_each_entry_safe(req, tmp, &f->list, data.flr.node) { + apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); + memset(req, 0, sizeof(*req)); + } spin_lock_irq(&dev->power.lock); - dev->power.constraints = NULL; + dev->power.qos = NULL; spin_unlock_irq(&dev->power.lock); kfree(c->notifiers); - kfree(c); + kfree(qos); out: mutex_unlock(&dev_pm_qos_mtx); @@ -205,6 +270,7 @@ void dev_pm_qos_constraints_destroy(struct device *dev) * dev_pm_qos_add_request - inserts new qos request into the list * @dev: target device for the constraint * @req: pointer to a preallocated handle + * @type: type of the request * @value: defines the qos request * * This function inserts a new entry in the device constraints list of @@ -218,9 +284,12 @@ void dev_pm_qos_constraints_destroy(struct device *dev) * -EINVAL in case of wrong parameters, -ENOMEM if there's not enough memory * to allocate for data structures, -ENODEV if the device has just been removed * from the system. + * + * Callers should ensure that the target device is not RPM_SUSPENDED before + * using this function for requests of type DEV_PM_QOS_FLAGS. */ int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req, - s32 value) + enum dev_pm_qos_req_type type, s32 value) { int ret = 0; @@ -235,7 +304,7 @@ int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req, mutex_lock(&dev_pm_qos_mtx); - if (!dev->power.constraints) { + if (!dev->power.qos) { if (dev->power.power_state.event == PM_EVENT_INVALID) { /* The device has been removed from the system. */ req->dev = NULL; @@ -251,8 +320,10 @@ int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req, } } - if (!ret) + if (!ret) { + req->type = type; ret = apply_constraint(req, PM_QOS_ADD_REQ, value); + } out: mutex_unlock(&dev_pm_qos_mtx); @@ -262,6 +333,37 @@ int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req, EXPORT_SYMBOL_GPL(dev_pm_qos_add_request); /** + * __dev_pm_qos_update_request - Modify an existing device PM QoS request. + * @req : PM QoS request to modify. + * @new_value: New value to request. + */ +static int __dev_pm_qos_update_request(struct dev_pm_qos_request *req, + s32 new_value) +{ + s32 curr_value; + int ret = 0; + + if (!req->dev->power.qos) + return -ENODEV; + + switch(req->type) { + case DEV_PM_QOS_LATENCY: + curr_value = req->data.pnode.prio; + break; + case DEV_PM_QOS_FLAGS: + curr_value = req->data.flr.flags; + break; + default: + return -EINVAL; + } + + if (curr_value != new_value) + ret = apply_constraint(req, PM_QOS_UPDATE_REQ, new_value); + + return ret; +} + +/** * dev_pm_qos_update_request - modifies an existing qos request * @req : handle to list element holding a dev_pm_qos request to use * @new_value: defines the qos request @@ -275,11 +377,13 @@ EXPORT_SYMBOL_GPL(dev_pm_qos_add_request); * 0 if the aggregated constraint value has not changed, * -EINVAL in case of wrong parameters, -ENODEV if the device has been * removed from the system + * + * Callers should ensure that the target device is not RPM_SUSPENDED before + * using this function for requests of type DEV_PM_QOS_FLAGS. */ -int dev_pm_qos_update_request(struct dev_pm_qos_request *req, - s32 new_value) +int dev_pm_qos_update_request(struct dev_pm_qos_request *req, s32 new_value) { - int ret = 0; + int ret; if (!req) /*guard against callers passing in null */ return -EINVAL; @@ -289,17 +393,9 @@ int dev_pm_qos_update_request(struct dev_pm_qos_request *req, return -EINVAL; mutex_lock(&dev_pm_qos_mtx); - - if (req->dev->power.constraints) { - if (new_value != req->node.prio) - ret = apply_constraint(req, PM_QOS_UPDATE_REQ, - new_value); - } else { - /* Return if the device has been removed */ - ret = -ENODEV; - } - + ret = __dev_pm_qos_update_request(req, new_value); mutex_unlock(&dev_pm_qos_mtx); + return ret; } EXPORT_SYMBOL_GPL(dev_pm_qos_update_request); @@ -315,6 +411,9 @@ EXPORT_SYMBOL_GPL(dev_pm_qos_update_request); * 0 if the aggregated constraint value has not changed, * -EINVAL in case of wrong parameters, -ENODEV if the device has been * removed from the system + * + * Callers should ensure that the target device is not RPM_SUSPENDED before + * using this function for requests of type DEV_PM_QOS_FLAGS. */ int dev_pm_qos_remove_request(struct dev_pm_qos_request *req) { @@ -329,7 +428,7 @@ int dev_pm_qos_remove_request(struct dev_pm_qos_request *req) mutex_lock(&dev_pm_qos_mtx); - if (req->dev->power.constraints) { + if (req->dev->power.qos) { ret = apply_constraint(req, PM_QOS_REMOVE_REQ, PM_QOS_DEFAULT_VALUE); memset(req, 0, sizeof(*req)); @@ -362,13 +461,13 @@ int dev_pm_qos_add_notifier(struct device *dev, struct notifier_block *notifier) mutex_lock(&dev_pm_qos_mtx); - if (!dev->power.constraints) + if (!dev->power.qos) ret = dev->power.power_state.event != PM_EVENT_INVALID ? dev_pm_qos_constraints_allocate(dev) : -ENODEV; if (!ret) ret = blocking_notifier_chain_register( - dev->power.constraints->notifiers, notifier); + dev->power.qos->latency.notifiers, notifier); mutex_unlock(&dev_pm_qos_mtx); return ret; @@ -393,9 +492,9 @@ int dev_pm_qos_remove_notifier(struct device *dev, mutex_lock(&dev_pm_qos_mtx); /* Silently return if the constraints object is not present. */ - if (dev->power.constraints) + if (dev->power.qos) retval = blocking_notifier_chain_unregister( - dev->power.constraints->notifiers, + dev->power.qos->latency.notifiers, notifier); mutex_unlock(&dev_pm_qos_mtx); @@ -449,9 +548,10 @@ int dev_pm_qos_add_ancestor_request(struct device *dev, ancestor = ancestor->parent; if (ancestor) - error = dev_pm_qos_add_request(ancestor, req, value); + error = dev_pm_qos_add_request(ancestor, req, + DEV_PM_QOS_LATENCY, value); - if (error) + if (error < 0) req->dev = NULL; return error; @@ -459,10 +559,19 @@ int dev_pm_qos_add_ancestor_request(struct device *dev, EXPORT_SYMBOL_GPL(dev_pm_qos_add_ancestor_request); #ifdef CONFIG_PM_RUNTIME -static void __dev_pm_qos_drop_user_request(struct device *dev) +static void __dev_pm_qos_drop_user_request(struct device *dev, + enum dev_pm_qos_req_type type) { - dev_pm_qos_remove_request(dev->power.pq_req); - dev->power.pq_req = NULL; + switch(type) { + case DEV_PM_QOS_LATENCY: + dev_pm_qos_remove_request(dev->power.qos->latency_req); + dev->power.qos->latency_req = NULL; + break; + case DEV_PM_QOS_FLAGS: + dev_pm_qos_remove_request(dev->power.qos->flags_req); + dev->power.qos->flags_req = NULL; + break; + } } /** @@ -478,21 +587,21 @@ int dev_pm_qos_expose_latency_limit(struct device *dev, s32 value) if (!device_is_registered(dev) || value < 0) return -EINVAL; - if (dev->power.pq_req) + if (dev->power.qos && dev->power.qos->latency_req) return -EEXIST; req = kzalloc(sizeof(*req), GFP_KERNEL); if (!req) return -ENOMEM; - ret = dev_pm_qos_add_request(dev, req, value); + ret = dev_pm_qos_add_request(dev, req, DEV_PM_QOS_LATENCY, value); if (ret < 0) return ret; - dev->power.pq_req = req; - ret = pm_qos_sysfs_add(dev); + dev->power.qos->latency_req = req; + ret = pm_qos_sysfs_add_latency(dev); if (ret) - __dev_pm_qos_drop_user_request(dev); + __dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_LATENCY); return ret; } @@ -504,10 +613,92 @@ EXPORT_SYMBOL_GPL(dev_pm_qos_expose_latency_limit); */ void dev_pm_qos_hide_latency_limit(struct device *dev) { - if (dev->power.pq_req) { - pm_qos_sysfs_remove(dev); - __dev_pm_qos_drop_user_request(dev); + if (dev->power.qos && dev->power.qos->latency_req) { + pm_qos_sysfs_remove_latency(dev); + __dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_LATENCY); } } EXPORT_SYMBOL_GPL(dev_pm_qos_hide_latency_limit); + +/** + * dev_pm_qos_expose_flags - Expose PM QoS flags of a device to user space. + * @dev: Device whose PM QoS flags are to be exposed to user space. + * @val: Initial values of the flags. + */ +int dev_pm_qos_expose_flags(struct device *dev, s32 val) +{ + struct dev_pm_qos_request *req; + int ret; + + if (!device_is_registered(dev)) + return -EINVAL; + + if (dev->power.qos && dev->power.qos->flags_req) + return -EEXIST; + + req = kzalloc(sizeof(*req), GFP_KERNEL); + if (!req) + return -ENOMEM; + + pm_runtime_get_sync(dev); + ret = dev_pm_qos_add_request(dev, req, DEV_PM_QOS_FLAGS, val); + if (ret < 0) + goto fail; + + dev->power.qos->flags_req = req; + ret = pm_qos_sysfs_add_flags(dev); + if (ret) + __dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_FLAGS); + +fail: + pm_runtime_put(dev); + return ret; +} +EXPORT_SYMBOL_GPL(dev_pm_qos_expose_flags); + +/** + * dev_pm_qos_hide_flags - Hide PM QoS flags of a device from user space. + * @dev: Device whose PM QoS flags are to be hidden from user space. + */ +void dev_pm_qos_hide_flags(struct device *dev) +{ + if (dev->power.qos && dev->power.qos->flags_req) { + pm_qos_sysfs_remove_flags(dev); + pm_runtime_get_sync(dev); + __dev_pm_qos_drop_user_request(dev, DEV_PM_QOS_FLAGS); + pm_runtime_put(dev); + } +} +EXPORT_SYMBOL_GPL(dev_pm_qos_hide_flags); + +/** + * dev_pm_qos_update_flags - Update PM QoS flags request owned by user space. + * @dev: Device to update the PM QoS flags request for. + * @mask: Flags to set/clear. + * @set: Whether to set or clear the flags (true means set). + */ +int dev_pm_qos_update_flags(struct device *dev, s32 mask, bool set) +{ + s32 value; + int ret; + + if (!dev->power.qos || !dev->power.qos->flags_req) + return -EINVAL; + + pm_runtime_get_sync(dev); + mutex_lock(&dev_pm_qos_mtx); + + value = dev_pm_qos_requested_flags(dev); + if (set) + value |= mask; + else + value &= ~mask; + + ret = __dev_pm_qos_update_request(dev->power.qos->flags_req, value); + + mutex_unlock(&dev_pm_qos_mtx); + pm_runtime_put(dev); + + return ret; +} #endif /* CONFIG_PM_RUNTIME */ diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c index b91dc6f..50d16e3 100644 --- a/drivers/base/power/sysfs.c +++ b/drivers/base/power/sysfs.c @@ -221,7 +221,7 @@ static DEVICE_ATTR(autosuspend_delay_ms, 0644, autosuspend_delay_ms_show, static ssize_t pm_qos_latency_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%d\n", dev->power.pq_req->node.prio); + return sprintf(buf, "%d\n", dev_pm_qos_requested_latency(dev)); } static ssize_t pm_qos_latency_store(struct device *dev, @@ -237,12 +237,66 @@ static ssize_t pm_qos_latency_store(struct device *dev, if (value < 0) return -EINVAL; - ret = dev_pm_qos_update_request(dev->power.pq_req, value); + ret = dev_pm_qos_update_request(dev->power.qos->latency_req, value); return ret < 0 ? ret : n; } static DEVICE_ATTR(pm_qos_resume_latency_us, 0644, pm_qos_latency_show, pm_qos_latency_store); + +static ssize_t pm_qos_no_power_off_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%d\n", !!(dev_pm_qos_requested_flags(dev) + & PM_QOS_FLAG_NO_POWER_OFF)); +} + +static ssize_t pm_qos_no_power_off_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t n) +{ + int ret; + + if (kstrtoint(buf, 0, &ret)) + return -EINVAL; + + if (ret != 0 && ret != 1) + return -EINVAL; + + ret = dev_pm_qos_update_flags(dev, PM_QOS_FLAG_NO_POWER_OFF, ret); + return ret < 0 ? ret : n; +} + +static DEVICE_ATTR(pm_qos_no_power_off, 0644, + pm_qos_no_power_off_show, pm_qos_no_power_off_store); + +static ssize_t pm_qos_remote_wakeup_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%d\n", !!(dev_pm_qos_requested_flags(dev) + & PM_QOS_FLAG_REMOTE_WAKEUP)); +} + +static ssize_t pm_qos_remote_wakeup_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t n) +{ + int ret; + + if (kstrtoint(buf, 0, &ret)) + return -EINVAL; + + if (ret != 0 && ret != 1) + return -EINVAL; + + ret = dev_pm_qos_update_flags(dev, PM_QOS_FLAG_REMOTE_WAKEUP, ret); + return ret < 0 ? ret : n; +} + +static DEVICE_ATTR(pm_qos_remote_wakeup, 0644, + pm_qos_remote_wakeup_show, pm_qos_remote_wakeup_store); #endif /* CONFIG_PM_RUNTIME */ #ifdef CONFIG_PM_SLEEP @@ -564,15 +618,27 @@ static struct attribute_group pm_runtime_attr_group = { .attrs = runtime_attrs, }; -static struct attribute *pm_qos_attrs[] = { +static struct attribute *pm_qos_latency_attrs[] = { #ifdef CONFIG_PM_RUNTIME &dev_attr_pm_qos_resume_latency_us.attr, #endif /* CONFIG_PM_RUNTIME */ NULL, }; -static struct attribute_group pm_qos_attr_group = { +static struct attribute_group pm_qos_latency_attr_group = { .name = power_group_name, - .attrs = pm_qos_attrs, + .attrs = pm_qos_latency_attrs, +}; + +static struct attribute *pm_qos_flags_attrs[] = { +#ifdef CONFIG_PM_RUNTIME + &dev_attr_pm_qos_no_power_off.attr, + &dev_attr_pm_qos_remote_wakeup.attr, +#endif /* CONFIG_PM_RUNTIME */ + NULL, +}; +static struct attribute_group pm_qos_flags_attr_group = { + .name = power_group_name, + .attrs = pm_qos_flags_attrs, }; int dpm_sysfs_add(struct device *dev) @@ -615,14 +681,24 @@ void wakeup_sysfs_remove(struct device *dev) sysfs_unmerge_group(&dev->kobj, &pm_wakeup_attr_group); } -int pm_qos_sysfs_add(struct device *dev) +int pm_qos_sysfs_add_latency(struct device *dev) +{ + return sysfs_merge_group(&dev->kobj, &pm_qos_latency_attr_group); +} + +void pm_qos_sysfs_remove_latency(struct device *dev) +{ + sysfs_unmerge_group(&dev->kobj, &pm_qos_latency_attr_group); +} + +int pm_qos_sysfs_add_flags(struct device *dev) { - return sysfs_merge_group(&dev->kobj, &pm_qos_attr_group); + return sysfs_merge_group(&dev->kobj, &pm_qos_flags_attr_group); } -void pm_qos_sysfs_remove(struct device *dev) +void pm_qos_sysfs_remove_flags(struct device *dev) { - sysfs_unmerge_group(&dev->kobj, &pm_qos_attr_group); + sysfs_unmerge_group(&dev->kobj, &pm_qos_flags_attr_group); } void rpm_sysfs_remove(struct device *dev) diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index 3804a0a..9fe4f18 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -935,7 +935,7 @@ aoe_end_request(struct aoedev *d, struct request *rq, int fastfail) /* cf. http://lkml.org/lkml/2006/10/31/28 */ if (!fastfail) - q->request_fn(q); + __blk_run_queue(q); } static void diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 1c49d71..2ddd64a 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4330,6 +4330,7 @@ out_unreg_region: out_unreg_blkdev: unregister_blkdev(FLOPPY_MAJOR, "fd"); out_put_disk: + destroy_workqueue(floppy_wq); for (drive = 0; drive < N_DRIVE; drive++) { if (!disks[drive]) break; @@ -4340,7 +4341,6 @@ out_put_disk: } put_disk(disks[drive]); } - destroy_workqueue(floppy_wq); return err; } @@ -4555,6 +4555,8 @@ static void __exit floppy_module_exit(void) unregister_blkdev(FLOPPY_MAJOR, "fd"); platform_driver_unregister(&floppy_driver); + destroy_workqueue(floppy_wq); + for (drive = 0; drive < N_DRIVE; drive++) { del_timer_sync(&motor_off_timer[drive]); @@ -4578,7 +4580,6 @@ static void __exit floppy_module_exit(void) cancel_delayed_work_sync(&fd_timeout); cancel_delayed_work_sync(&fd_timer); - destroy_workqueue(floppy_wq); if (atomic_read(&usage_count)) floppy_release_irq_and_dma(); diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index adc6f36..9694dd9 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -559,7 +559,7 @@ static void mtip_timeout_function(unsigned long int data) struct mtip_cmd *command; int tag, cmdto_cnt = 0; unsigned int bit, group; - unsigned int num_command_slots = port->dd->slot_groups * 32; + unsigned int num_command_slots; unsigned long to, tagaccum[SLOTBITS_IN_LONGS]; if (unlikely(!port)) @@ -572,6 +572,7 @@ static void mtip_timeout_function(unsigned long int data) } /* clear the tag accumulator */ memset(tagaccum, 0, SLOTBITS_IN_LONGS * sizeof(long)); + num_command_slots = port->dd->slot_groups * 32; for (tag = 0; tag < num_command_slots; tag++) { /* @@ -2218,8 +2219,8 @@ static int exec_drive_taskfile(struct driver_data *dd, fis.device); /* check for erase mode support during secure erase.*/ - if ((fis.command == ATA_CMD_SEC_ERASE_UNIT) - && (outbuf[0] & MTIP_SEC_ERASE_MODE)) { + if ((fis.command == ATA_CMD_SEC_ERASE_UNIT) && outbuf && + (outbuf[0] & MTIP_SEC_ERASE_MODE)) { erasemode = 1; } @@ -2439,7 +2440,7 @@ static int mtip_hw_ioctl(struct driver_data *dd, unsigned int cmd, * return value * None */ -static void mtip_hw_submit_io(struct driver_data *dd, sector_t start, +static void mtip_hw_submit_io(struct driver_data *dd, sector_t sector, int nsect, int nents, int tag, void *callback, void *data, int dir) { @@ -2447,6 +2448,7 @@ static void mtip_hw_submit_io(struct driver_data *dd, sector_t start, struct mtip_port *port = dd->port; struct mtip_cmd *command = &port->commands[tag]; int dma_dir = (dir == READ) ? DMA_FROM_DEVICE : DMA_TO_DEVICE; + u64 start = sector; /* Map the scatter list for DMA access */ nents = dma_map_sg(&dd->pdev->dev, command->sg, nents, dma_dir); @@ -2465,8 +2467,12 @@ static void mtip_hw_submit_io(struct driver_data *dd, sector_t start, fis->opts = 1 << 7; fis->command = (dir == READ ? ATA_CMD_FPDMA_READ : ATA_CMD_FPDMA_WRITE); - *((unsigned int *) &fis->lba_low) = (start & 0xFFFFFF); - *((unsigned int *) &fis->lba_low_ex) = ((start >> 24) & 0xFFFFFF); + fis->lba_low = start & 0xFF; + fis->lba_mid = (start >> 8) & 0xFF; + fis->lba_hi = (start >> 16) & 0xFF; + fis->lba_low_ex = (start >> 24) & 0xFF; + fis->lba_mid_ex = (start >> 32) & 0xFF; + fis->lba_hi_ex = (start >> 40) & 0xFF; fis->device = 1 << 6; fis->features = nsect & 0xFF; fis->features_ex = (nsect >> 8) & 0xFF; diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h index 5f4a917..b174264 100644 --- a/drivers/block/mtip32xx/mtip32xx.h +++ b/drivers/block/mtip32xx/mtip32xx.h @@ -34,7 +34,7 @@ #define PCIE_CONFIG_EXT_DEVICE_CONTROL_OFFSET 0x48 /* check for erase mode support during secure erase */ -#define MTIP_SEC_ERASE_MODE 0x3 +#define MTIP_SEC_ERASE_MODE 0x2 /* # of times to retry timed out/failed IOs */ #define MTIP_MAX_RETRIES 2 @@ -155,14 +155,14 @@ enum { MTIP_DDF_REBUILD_FAILED_BIT = 8, }; -__packed struct smart_attr{ +struct smart_attr { u8 attr_id; u16 flags; u8 cur; u8 worst; u32 data; u8 res[3]; -}; +} __packed; /* Register Frame Information Structure (FIS), host to device. */ struct host_to_dev_fis { diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index fc2de55..b00000e 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -67,6 +67,7 @@ static struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x13d3, 0x3304) }, { USB_DEVICE(0x0930, 0x0215) }, { USB_DEVICE(0x0489, 0xE03D) }, + { USB_DEVICE(0x0489, 0xE027) }, /* Atheros AR9285 Malbec with sflash firmware */ { USB_DEVICE(0x03F0, 0x311D) }, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index debda27..ee82f2f 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -124,6 +124,7 @@ static struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, + { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, /* Atheros AR9285 Malbec with sflash firmware */ { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c index ff63560..0c48b0e 100644 --- a/drivers/bus/omap-ocp2scp.c +++ b/drivers/bus/omap-ocp2scp.c @@ -22,6 +22,26 @@ #include <linux/pm_runtime.h> #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/platform_data/omap_ocp2scp.h> + +/** + * _count_resources - count for the number of resources + * @res: struct resource * + * + * Count and return the number of resources populated for the device that is + * connected to ocp2scp. + */ +static unsigned _count_resources(struct resource *res) +{ + int cnt = 0; + + while (res->start != res->end) { + cnt++; + res++; + } + + return cnt; +} static int ocp2scp_remove_devices(struct device *dev, void *c) { @@ -34,20 +54,62 @@ static int ocp2scp_remove_devices(struct device *dev, void *c) static int __devinit omap_ocp2scp_probe(struct platform_device *pdev) { - int ret; - struct device_node *np = pdev->dev.of_node; + int ret; + unsigned res_cnt, i; + struct device_node *np = pdev->dev.of_node; + struct platform_device *pdev_child; + struct omap_ocp2scp_platform_data *pdata = pdev->dev.platform_data; + struct omap_ocp2scp_dev *dev; if (np) { ret = of_platform_populate(np, NULL, NULL, &pdev->dev); if (ret) { - dev_err(&pdev->dev, "failed to add resources for ocp2scp child\n"); + dev_err(&pdev->dev, + "failed to add resources for ocp2scp child\n"); goto err0; } + } else if (pdata) { + for (i = 0, dev = *pdata->devices; i < pdata->dev_cnt; i++, + dev++) { + res_cnt = _count_resources(dev->res); + + pdev_child = platform_device_alloc(dev->drv_name, + PLATFORM_DEVID_AUTO); + if (!pdev_child) { + dev_err(&pdev->dev, + "failed to allocate mem for ocp2scp child\n"); + goto err0; + } + + ret = platform_device_add_resources(pdev_child, + dev->res, res_cnt); + if (ret) { + dev_err(&pdev->dev, + "failed to add resources for ocp2scp child\n"); + goto err1; + } + + pdev_child->dev.parent = &pdev->dev; + + ret = platform_device_add(pdev_child); + if (ret) { + dev_err(&pdev->dev, + "failed to register ocp2scp child device\n"); + goto err1; + } + } + } else { + dev_err(&pdev->dev, "OCP2SCP initialized without plat data\n"); + return -EINVAL; } + pm_runtime_enable(&pdev->dev); return 0; +err1: + platform_device_put(pdev_child); + err0: device_for_each_child(&pdev->dev, NULL, ocp2scp_remove_devices); diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c index ca4a25e..e2c17d1 100644 --- a/drivers/clk/ux500/u8500_clk.c +++ b/drivers/clk/ux500/u8500_clk.c @@ -40,7 +40,7 @@ void u8500_clk_init(void) CLK_IS_ROOT|CLK_IGNORE_UNUSED, 32768); clk_register_clkdev(clk, "clk32k", NULL); - clk_register_clkdev(clk, NULL, "rtc-pl031"); + clk_register_clkdev(clk, "apb_pclk", "rtc-pl031"); /* PRCMU clocks */ fw_version = prcmu_get_fw_version(); @@ -228,10 +228,17 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", U8500_CLKRST1_BASE, BIT(2), 0); + clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.1"); + clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", U8500_CLKRST1_BASE, BIT(3), 0); + clk_register_clkdev(clk, "apb_pclk", "msp0"); + clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.0"); + clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", U8500_CLKRST1_BASE, BIT(4), 0); + clk_register_clkdev(clk, "apb_pclk", "msp1"); + clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.1"); clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", U8500_CLKRST1_BASE, BIT(5), 0); @@ -239,6 +246,7 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", U8500_CLKRST1_BASE, BIT(6), 0); + clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.2"); clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", U8500_CLKRST1_BASE, BIT(7), 0); @@ -246,6 +254,7 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", U8500_CLKRST1_BASE, BIT(8), 0); + clk_register_clkdev(clk, "apb_pclk", "slimbus0"); clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", U8500_CLKRST1_BASE, BIT(9), 0); @@ -255,11 +264,16 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", U8500_CLKRST1_BASE, BIT(10), 0); + clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.4"); + clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", U8500_CLKRST1_BASE, BIT(11), 0); + clk_register_clkdev(clk, "apb_pclk", "msp3"); + clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.3"); clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", U8500_CLKRST2_BASE, BIT(0), 0); + clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.3"); clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", U8500_CLKRST2_BASE, BIT(1), 0); @@ -279,12 +293,13 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", U8500_CLKRST2_BASE, BIT(5), 0); + clk_register_clkdev(clk, "apb_pclk", "msp2"); + clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.2"); clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", U8500_CLKRST2_BASE, BIT(6), 0); clk_register_clkdev(clk, "apb_pclk", "sdi1"); - clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", U8500_CLKRST2_BASE, BIT(7), 0); clk_register_clkdev(clk, "apb_pclk", "sdi3"); @@ -316,10 +331,15 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", U8500_CLKRST3_BASE, BIT(1), 0); + clk_register_clkdev(clk, "apb_pclk", "ssp0"); + clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", U8500_CLKRST3_BASE, BIT(2), 0); + clk_register_clkdev(clk, "apb_pclk", "ssp1"); + clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", U8500_CLKRST3_BASE, BIT(3), 0); + clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.0"); clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", U8500_CLKRST3_BASE, BIT(4), 0); @@ -401,10 +421,17 @@ void u8500_clk_init(void) clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk", U8500_CLKRST1_BASE, BIT(2), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "nmk-i2c.1"); + clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk", U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "msp0"); + clk_register_clkdev(clk, NULL, "ux500-msp-i2s.0"); + clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk", U8500_CLKRST1_BASE, BIT(4), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "msp1"); + clk_register_clkdev(clk, NULL, "ux500-msp-i2s.1"); clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk", U8500_CLKRST1_BASE, BIT(5), CLK_SET_RATE_GATE); @@ -412,17 +439,25 @@ void u8500_clk_init(void) clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk", U8500_CLKRST1_BASE, BIT(6), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "nmk-i2c.2"); + clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk", - U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE); - /* FIXME: Redefinition of BIT(3). */ + U8500_CLKRST1_BASE, BIT(8), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "slimbus0"); + clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk", U8500_CLKRST1_BASE, BIT(9), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "nmk-i2c.4"); + clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk", U8500_CLKRST1_BASE, BIT(10), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "msp3"); + clk_register_clkdev(clk, NULL, "ux500-msp-i2s.3"); /* Periph2 */ clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk", U8500_CLKRST2_BASE, BIT(0), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "nmk-i2c.3"); clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk", U8500_CLKRST2_BASE, BIT(2), CLK_SET_RATE_GATE); @@ -430,6 +465,8 @@ void u8500_clk_init(void) clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk", U8500_CLKRST2_BASE, BIT(3), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "msp2"); + clk_register_clkdev(clk, NULL, "ux500-msp-i2s.2"); clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk", U8500_CLKRST2_BASE, BIT(4), CLK_SET_RATE_GATE); @@ -450,10 +487,15 @@ void u8500_clk_init(void) /* Periph3 */ clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk", U8500_CLKRST3_BASE, BIT(1), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "ssp0"); + clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk", U8500_CLKRST3_BASE, BIT(2), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "ssp1"); + clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk", U8500_CLKRST3_BASE, BIT(3), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "nmk-i2c.0"); clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk", U8500_CLKRST3_BASE, BIT(4), CLK_SET_RATE_GATE); diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h index 8d48047..8c41396 100644 --- a/drivers/edac/amd64_edac.h +++ b/drivers/edac/amd64_edac.h @@ -33,7 +33,7 @@ * detection. The mods to Rev F required more family * information detection. * - * Changes/Fixes by Borislav Petkov <borislav.petkov@amd.com>: + * Changes/Fixes by Borislav Petkov <bp@alien8.de>: * - misc fixes and code cleanups * * This module is based on the following documents diff --git a/drivers/edac/edac_stub.c b/drivers/edac/edac_stub.c index 6c86f6e..351945f 100644 --- a/drivers/edac/edac_stub.c +++ b/drivers/edac/edac_stub.c @@ -5,7 +5,7 @@ * * 2007 (c) MontaVista Software, Inc. * 2010 (c) Advanced Micro Devices Inc. - * Borislav Petkov <borislav.petkov@amd.com> + * Borislav Petkov <bp@alien8.de> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any diff --git a/drivers/edac/mce_amd_inj.c b/drivers/edac/mce_amd_inj.c index 66b5151..2ae78f2 100644 --- a/drivers/edac/mce_amd_inj.c +++ b/drivers/edac/mce_amd_inj.c @@ -6,7 +6,7 @@ * This file may be distributed under the terms of the GNU General Public * License version 2. * - * Copyright (c) 2010: Borislav Petkov <borislav.petkov@amd.com> + * Copyright (c) 2010: Borislav Petkov <bp@alien8.de> * Advanced Micro Devices Inc. */ @@ -168,6 +168,6 @@ module_init(edac_init_mce_inject); module_exit(edac_exit_mce_inject); MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Borislav Petkov <borislav.petkov@amd.com>"); +MODULE_AUTHOR("Borislav Petkov <bp@alien8.de>"); MODULE_AUTHOR("AMD Inc."); MODULE_DESCRIPTION("MCE injection facility for testing MCE decoding"); diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c index 1162d6b..bb1b392 100644 --- a/drivers/firewire/sbp2.c +++ b/drivers/firewire/sbp2.c @@ -1546,6 +1546,8 @@ static int sbp2_scsi_slave_configure(struct scsi_device *sdev) struct sbp2_logical_unit *lu = sdev->hostdata; sdev->use_10_for_rw = 1; + sdev->no_report_opcodes = 1; + sdev->no_write_same = 1; if (sbp2_param_exclusive_login) sdev->manage_start_stop = 1; diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index f11d8e3..47150f5 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -466,7 +466,7 @@ config GPIO_ADP5588_IRQ config GPIO_ADNP tristate "Avionic Design N-bit GPIO expander" - depends on I2C && OF + depends on I2C && OF_GPIO help This option enables support for N GPIOs found on Avionic Design I2C GPIO expanders. The register space will be extended by powers diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index 0f42518..ce1c847 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -77,7 +77,7 @@ struct mcp23s08_driver_data { /*----------------------------------------------------------------------*/ -#ifdef CONFIG_I2C +#if IS_ENABLED(CONFIG_I2C) static int mcp23008_read(struct mcp23s08 *mcp, unsigned reg) { @@ -399,7 +399,7 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, break; #endif /* CONFIG_SPI_MASTER */ -#ifdef CONFIG_I2C +#if IS_ENABLED(CONFIG_I2C) case MCP_TYPE_008: mcp->ops = &mcp23008_ops; mcp->chip.ngpio = 8; @@ -473,7 +473,7 @@ fail: /*----------------------------------------------------------------------*/ -#ifdef CONFIG_I2C +#if IS_ENABLED(CONFIG_I2C) static int __devinit mcp230xx_probe(struct i2c_client *client, const struct i2c_device_id *id) diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index cf7afb9..be65c04 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -92,6 +92,11 @@ static inline void __iomem *mvebu_gpioreg_out(struct mvebu_gpio_chip *mvchip) return mvchip->membase + GPIO_OUT_OFF; } +static inline void __iomem *mvebu_gpioreg_blink(struct mvebu_gpio_chip *mvchip) +{ + return mvchip->membase + GPIO_BLINK_EN_OFF; +} + static inline void __iomem *mvebu_gpioreg_io_conf(struct mvebu_gpio_chip *mvchip) { return mvchip->membase + GPIO_IO_CONF_OFF; @@ -206,6 +211,23 @@ static int mvebu_gpio_get(struct gpio_chip *chip, unsigned pin) return (u >> pin) & 1; } +static void mvebu_gpio_blink(struct gpio_chip *chip, unsigned pin, int value) +{ + struct mvebu_gpio_chip *mvchip = + container_of(chip, struct mvebu_gpio_chip, chip); + unsigned long flags; + u32 u; + + spin_lock_irqsave(&mvchip->lock, flags); + u = readl_relaxed(mvebu_gpioreg_blink(mvchip)); + if (value) + u |= 1 << pin; + else + u &= ~(1 << pin); + writel_relaxed(u, mvebu_gpioreg_blink(mvchip)); + spin_unlock_irqrestore(&mvchip->lock, flags); +} + static int mvebu_gpio_direction_input(struct gpio_chip *chip, unsigned pin) { struct mvebu_gpio_chip *mvchip = @@ -244,6 +266,7 @@ static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin, if (ret) return ret; + mvebu_gpio_blink(chip, pin, 0); mvebu_gpio_set(chip, pin, value); spin_lock_irqsave(&mvchip->lock, flags); diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index b726b47..6345878 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -143,7 +143,7 @@ static void intel_crt_dpms(struct drm_connector *connector, int mode) int old_dpms; /* PCH platforms and VLV only support on/off. */ - if (INTEL_INFO(dev)->gen < 5 && mode != DRM_MODE_DPMS_ON) + if (INTEL_INFO(dev)->gen >= 5 && mode != DRM_MODE_DPMS_ON) mode = DRM_MODE_DPMS_OFF; if (mode == connector->dpms) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 461a637..4154bcd 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3841,6 +3841,17 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, } } + if (intel_encoder->type == INTEL_OUTPUT_EDP) { + /* Use VBT settings if we have an eDP panel */ + unsigned int edp_bpc = dev_priv->edp.bpp / 3; + + if (edp_bpc < display_bpc) { + DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc); + display_bpc = edp_bpc; + } + continue; + } + /* * HDMI is either 12 or 8, so if the display lets 10bpc sneak * through, clamp it down. (Note: >12bpc will be caught below.) diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 79d308d..c600fb0 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -2382,6 +2382,18 @@ intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags) return true; } +static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo) +{ + struct drm_device *dev = intel_sdvo->base.base.dev; + struct drm_connector *connector, *tmp; + + list_for_each_entry_safe(connector, tmp, + &dev->mode_config.connector_list, head) { + if (intel_attached_encoder(connector) == &intel_sdvo->base) + intel_sdvo_destroy(connector); + } +} + static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo, struct intel_sdvo_connector *intel_sdvo_connector, int type) @@ -2705,7 +2717,8 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) intel_sdvo->caps.output_flags) != true) { DRM_DEBUG_KMS("SDVO output failed to setup on %s\n", SDVO_NAME(intel_sdvo)); - goto err; + /* Output_setup can leave behind connectors! */ + goto err_output; } /* Only enable the hotplug irq if we need it, to work around noisy @@ -2718,12 +2731,12 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) /* Set the input timing to the screen. Assume always input 0. */ if (!intel_sdvo_set_target_input(intel_sdvo)) - goto err; + goto err_output; if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo, &intel_sdvo->pixel_clock_min, &intel_sdvo->pixel_clock_max)) - goto err; + goto err_output; DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, " "clock range %dMHz - %dMHz, " @@ -2743,6 +2756,9 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N'); return true; +err_output: + intel_sdvo_output_cleanup(intel_sdvo); + err: drm_encoder_cleanup(&intel_encoder->base); i2c_del_adapter(&intel_sdvo->ddc); diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index 05a909a..15b182c 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -49,13 +49,7 @@ nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc) if (chan->vblank.crtc != crtc) continue; - if (nv_device(priv)->chipset == 0x50) { - nv_wr32(priv, 0x001704, chan->vblank.channel); - nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma); - bar->flush(bar); - nv_wr32(priv, 0x001570, chan->vblank.offset); - nv_wr32(priv, 0x001574, chan->vblank.value); - } else { + if (nv_device(priv)->chipset >= 0xc0) { nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel); bar->flush(bar); nv_wr32(priv, 0x06000c, @@ -63,6 +57,17 @@ nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc) nv_wr32(priv, 0x060010, lower_32_bits(chan->vblank.offset)); nv_wr32(priv, 0x060014, chan->vblank.value); + } else { + nv_wr32(priv, 0x001704, chan->vblank.channel); + nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma); + bar->flush(bar); + if (nv_device(priv)->chipset == 0x50) { + nv_wr32(priv, 0x001570, chan->vblank.offset); + nv_wr32(priv, 0x001574, chan->vblank.value); + } else { + nv_wr32(priv, 0x060010, chan->vblank.offset); + nv_wr32(priv, 0x060014, chan->vblank.value); + } } list_del(&chan->vblank.head); diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c index e45035e..7bbb1e1 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c @@ -669,21 +669,27 @@ nv40_grctx_fill(struct nouveau_device *device, struct nouveau_gpuobj *mem) }); } -void +int nv40_grctx_init(struct nouveau_device *device, u32 *size) { - u32 ctxprog[256], i; + u32 *ctxprog = kmalloc(256 * 4, GFP_KERNEL), i; struct nouveau_grctx ctx = { .device = device, .mode = NOUVEAU_GRCTX_PROG, .data = ctxprog, - .ctxprog_max = ARRAY_SIZE(ctxprog) + .ctxprog_max = 256, }; + if (!ctxprog) + return -ENOMEM; + nv40_grctx_generate(&ctx); nv_wr32(device, 0x400324, 0); for (i = 0; i < ctx.ctxprog_len; i++) nv_wr32(device, 0x400328, ctxprog[i]); *size = ctx.ctxvals_pos * 4; + + kfree(ctxprog); + return 0; } diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c index 4250012..cc6574e 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c @@ -346,7 +346,9 @@ nv40_graph_init(struct nouveau_object *object) return ret; /* generate and upload context program */ - nv40_grctx_init(nv_device(priv), &priv->size); + ret = nv40_grctx_init(nv_device(priv), &priv->size); + if (ret) + return ret; /* No context present currently */ nv_wr32(priv, NV40_PGRAPH_CTXCTL_CUR, 0x00000000); diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h index d2ac975..7da35a4 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h @@ -15,7 +15,7 @@ nv44_graph_class(void *priv) return !(0x0baf & (1 << (device->chipset & 0x0f))); } -void nv40_grctx_init(struct nouveau_device *, u32 *size); +int nv40_grctx_init(struct nouveau_device *, u32 *size); void nv40_grctx_fill(struct nouveau_device *, struct nouveau_gpuobj *); #endif diff --git a/drivers/gpu/drm/nouveau/core/include/core/object.h b/drivers/gpu/drm/nouveau/core/include/core/object.h index 818feab..486f1a9 100644 --- a/drivers/gpu/drm/nouveau/core/include/core/object.h +++ b/drivers/gpu/drm/nouveau/core/include/core/object.h @@ -175,14 +175,18 @@ nv_mo32(void *obj, u32 addr, u32 mask, u32 data) return temp; } -static inline bool -nv_strncmp(void *obj, u32 addr, u32 len, const char *str) +static inline int +nv_memcmp(void *obj, u32 addr, const char *str, u32 len) { + unsigned char c1, c2; + while (len--) { - if (nv_ro08(obj, addr++) != *(str++)) - return false; + c1 = nv_ro08(obj, addr++); + c2 = *(str++); + if (c1 != c2) + return c1 - c2; } - return true; + return 0; } #endif diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h index 39e73b9..41b7a6a 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h @@ -54,6 +54,7 @@ int nv04_clock_pll_calc(struct nouveau_clock *, struct nvbios_pll *, int clk, struct nouveau_pll_vals *); int nv04_clock_pll_prog(struct nouveau_clock *, u32 reg1, struct nouveau_pll_vals *); - +int nva3_clock_pll_calc(struct nouveau_clock *, struct nvbios_pll *, + int clk, struct nouveau_pll_vals *); #endif diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c index 7d75038..c511971 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c @@ -64,7 +64,7 @@ dcb_table(struct nouveau_bios *bios, u8 *ver, u8 *hdr, u8 *cnt, u8 *len) } } else if (*ver >= 0x15) { - if (!nv_strncmp(bios, dcb - 7, 7, "DEV_REC")) { + if (!nv_memcmp(bios, dcb - 7, "DEV_REC", 7)) { u16 i2c = nv_ro16(bios, dcb + 2); *hdr = 4; *cnt = (i2c - dcb) / 10; diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c b/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c index cc8d7d1..9068c98 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c +++ b/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c @@ -66,6 +66,24 @@ nva3_clock_pll_set(struct nouveau_clock *clk, u32 type, u32 freq) return ret; } +int +nva3_clock_pll_calc(struct nouveau_clock *clock, struct nvbios_pll *info, + int clk, struct nouveau_pll_vals *pv) +{ + int ret, N, M, P; + + ret = nva3_pll_calc(clock, info, clk, &N, NULL, &M, &P); + + if (ret > 0) { + pv->refclk = info->refclk; + pv->N1 = N; + pv->M1 = M; + pv->log2P = P; + } + return ret; +} + + static int nva3_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_oclass *oclass, void *data, u32 size, @@ -80,6 +98,7 @@ nva3_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine, return ret; priv->base.pll_set = nva3_clock_pll_set; + priv->base.pll_calc = nva3_clock_pll_calc; return 0; } diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c index 5ccce0b..f6962c9 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c @@ -79,6 +79,7 @@ nvc0_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine, return ret; priv->base.pll_set = nvc0_clock_pll_set; + priv->base.pll_calc = nva3_clock_pll_calc; return 0; } diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c index cc79c79..cbf1fc6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.c +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c @@ -241,6 +241,10 @@ nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS) if (unlikely(!abi16)) return -ENOMEM; + + if (!drm->channel) + return nouveau_abi16_put(abi16, -ENODEV); + client = nv_client(abi16->client); if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0) diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 0910125..8503b2e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -129,7 +129,8 @@ nouveau_accel_init(struct nouveau_drm *drm) /* initialise synchronisation routines */ if (device->card_type < NV_10) ret = nv04_fence_create(drm); - else if (device->chipset < 0x84) ret = nv10_fence_create(drm); + else if (device->card_type < NV_50) ret = nv10_fence_create(drm); + else if (device->chipset < 0x84) ret = nv50_fence_create(drm); else if (device->card_type < NV_C0) ret = nv84_fence_create(drm); else ret = nvc0_fence_create(drm); if (ret) { diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index ba498f8..010bae1 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -1625,7 +1625,7 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode) atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0); atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0); /* some early dce3.2 boards have a bug in their transmitter control table */ - if ((rdev->family != CHIP_RV710) || (rdev->family != CHIP_RV730)) + if ((rdev->family != CHIP_RV710) && (rdev->family != CHIP_RV730)) atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0); } if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) { diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index af31f82..219942c 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1330,6 +1330,8 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav break; udelay(1); } + } else { + save->crtc_enabled[i] = false; } } diff --git a/drivers/gpu/drm/radeon/radeon_agp.c b/drivers/gpu/drm/radeon/radeon_agp.c index 10ea17a..4243334 100644 --- a/drivers/gpu/drm/radeon/radeon_agp.c +++ b/drivers/gpu/drm/radeon/radeon_agp.c @@ -69,9 +69,12 @@ static struct radeon_agpmode_quirk radeon_agpmode_quirk_list[] = { /* Intel 82830 830 Chipset Host Bridge / Mobility M6 LY Needs AGPMode 2 (fdo #17360)*/ { PCI_VENDOR_ID_INTEL, 0x3575, PCI_VENDOR_ID_ATI, 0x4c59, PCI_VENDOR_ID_DELL, 0x00e3, 2}, - /* Intel 82852/82855 host bridge / Mobility FireGL 9000 R250 Needs AGPMode 1 (lp #296617) */ + /* Intel 82852/82855 host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 (lp #296617) */ { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4c66, PCI_VENDOR_ID_DELL, 0x0149, 1}, + /* Intel 82855PM host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 for suspend/resume */ + { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66, + PCI_VENDOR_ID_IBM, 0x0531, 1}, /* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (deb #467460) */ { PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50, 0x1025, 0x0061, 1}, diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index 860dc48..bd2a3b4 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -749,7 +749,10 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags, /* clear the pages coming from the pool if requested */ if (flags & TTM_PAGE_FLAG_ZERO_ALLOC) { list_for_each_entry(p, &plist, lru) { - clear_page(page_address(p)); + if (PageHighMem(p)) + clear_highpage(p); + else + clear_page(page_address(p)); } } diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index bf82601..7d759a4 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -308,9 +308,7 @@ int ttm_tt_swapin(struct ttm_tt *ttm) if (unlikely(to_page == NULL)) goto out_err; - preempt_disable(); copy_highpage(to_page, from_page); - preempt_enable(); page_cache_release(from_page); } @@ -358,9 +356,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage) ret = PTR_ERR(to_page); goto out_err; } - preempt_disable(); copy_highpage(to_page, from_page); - preempt_enable(); set_page_dirty(to_page); mark_page_accessed(to_page); page_cache_release(to_page); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c index b07ca2e..7290811 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c @@ -110,6 +110,8 @@ int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size); ret = copy_to_user(buffer, bounce, size); + if (ret) + ret = -EFAULT; vfree(bounce); if (unlikely(ret != 0)) diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index f676c01..6fcd466d0 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -46,9 +46,9 @@ static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, rdesc[559] = 0x45; } /* the same as above (s/usage/physical/) */ - if ((quirks & MS_RDESC_3K) && *rsize == 106 && - !memcmp((char []){ 0x19, 0x00, 0x29, 0xff }, - &rdesc[94], 4)) { + if ((quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 && + rdesc[95] == 0x00 && rdesc[96] == 0x29 && + rdesc[97] == 0xff) { rdesc[94] = 0x35; rdesc[96] = 0x45; } diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c index aa59a25..c02bf20 100644 --- a/drivers/i2c/busses/i2c-at91.c +++ b/drivers/i2c/busses/i2c-at91.c @@ -39,6 +39,7 @@ #define AT91_TWI_STOP 0x0002 /* Send a Stop Condition */ #define AT91_TWI_MSEN 0x0004 /* Master Transfer Enable */ #define AT91_TWI_SVDIS 0x0020 /* Slave Transfer Disable */ +#define AT91_TWI_QUICK 0x0040 /* SMBus quick command */ #define AT91_TWI_SWRST 0x0080 /* Software Reset */ #define AT91_TWI_MMR 0x0004 /* Master Mode Register */ @@ -212,7 +213,11 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev) INIT_COMPLETION(dev->cmd_complete); dev->transfer_status = 0; - if (dev->msg->flags & I2C_M_RD) { + + if (!dev->buf_len) { + at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_QUICK); + at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_TXCOMP); + } else if (dev->msg->flags & I2C_M_RD) { unsigned start_flags = AT91_TWI_START; if (at91_twi_read(dev, AT91_TWI_SR) & AT91_TWI_RXRDY) { diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 286ca19..0670da7 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -287,12 +287,14 @@ read_init_dma_fail: select_init_dma_fail: dma_unmap_sg(i2c->dev, &i2c->sg_io[0], 1, DMA_TO_DEVICE); select_init_pio_fail: + dmaengine_terminate_all(i2c->dmach); return -EINVAL; /* Write failpath. */ write_init_dma_fail: dma_unmap_sg(i2c->dev, i2c->sg_io, 2, DMA_TO_DEVICE); write_init_pio_fail: + dmaengine_terminate_all(i2c->dmach); return -EINVAL; } diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index db31eae..3525c9e 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -43,7 +43,6 @@ #include <linux/slab.h> #include <linux/i2c-omap.h> #include <linux/pm_runtime.h> -#include <linux/pm_qos.h> /* I2C controller revisions */ #define OMAP_I2C_OMAP1_REV_2 0x20 @@ -187,8 +186,9 @@ struct omap_i2c_dev { int reg_shift; /* bit shift for I2C register addresses */ struct completion cmd_complete; struct resource *ioarea; - u32 latency; /* maximum MPU wkup latency */ - struct pm_qos_request pm_qos_request; + u32 latency; /* maximum mpu wkup latency */ + void (*set_mpu_wkup_lat)(struct device *dev, + long latency); u32 speed; /* Speed of bus in kHz */ u32 dtrev; /* extra revision from DT */ u32 flags; @@ -494,7 +494,9 @@ static void omap_i2c_resize_fifo(struct omap_i2c_dev *dev, u8 size, bool is_rx) dev->b_hw = 1; /* Enable hardware fixes */ /* calculate wakeup latency constraint for MPU */ - dev->latency = (1000000 * dev->threshold) / (1000 * dev->speed / 8); + if (dev->set_mpu_wkup_lat != NULL) + dev->latency = (1000000 * dev->threshold) / + (1000 * dev->speed / 8); } /* @@ -522,6 +524,9 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap, dev->buf = msg->buf; dev->buf_len = msg->len; + /* make sure writes to dev->buf_len are ordered */ + barrier(); + omap_i2c_write_reg(dev, OMAP_I2C_CNT_REG, dev->buf_len); /* Clear the FIFO Buffers */ @@ -579,7 +584,6 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap, */ timeout = wait_for_completion_timeout(&dev->cmd_complete, OMAP_I2C_TIMEOUT); - dev->buf_len = 0; if (timeout == 0) { dev_err(dev->dev, "controller timed out\n"); omap_i2c_init(dev); @@ -629,16 +633,8 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) if (r < 0) goto out; - /* - * When waiting for completion of a i2c transfer, we need to - * set a wake up latency constraint for the MPU. This is to - * ensure quick enough wakeup from idle, when transfer - * completes. - */ - if (dev->latency) - pm_qos_add_request(&dev->pm_qos_request, - PM_QOS_CPU_DMA_LATENCY, - dev->latency); + if (dev->set_mpu_wkup_lat != NULL) + dev->set_mpu_wkup_lat(dev->dev, dev->latency); for (i = 0; i < num; i++) { r = omap_i2c_xfer_msg(adap, &msgs[i], (i == (num - 1))); @@ -646,8 +642,8 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) break; } - if (dev->latency) - pm_qos_remove_request(&dev->pm_qos_request); + if (dev->set_mpu_wkup_lat != NULL) + dev->set_mpu_wkup_lat(dev->dev, -1); if (r == 0) r = num; @@ -1104,6 +1100,7 @@ omap_i2c_probe(struct platform_device *pdev) } else if (pdata != NULL) { dev->speed = pdata->clkrate; dev->flags = pdata->flags; + dev->set_mpu_wkup_lat = pdata->set_mpu_wkup_lat; dev->dtrev = pdata->rev; } @@ -1159,8 +1156,9 @@ omap_i2c_probe(struct platform_device *pdev) dev->b_hw = 1; /* Enable hardware fixes */ /* calculate wakeup latency constraint for MPU */ - dev->latency = (1000000 * dev->fifo_size) / - (1000 * dev->speed / 8); + if (dev->set_mpu_wkup_lat != NULL) + dev->latency = (1000000 * dev->fifo_size) / + (1000 * dev->speed / 8); } /* reset ASAP, clearing any IRQs */ diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 3e0335f..9d90272 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -806,6 +806,7 @@ static int s3c24xx_i2c_parse_dt_gpio(struct s3c24xx_i2c *i2c) dev_err(i2c->dev, "invalid gpio[%d]: %d\n", idx, gpio); goto free_gpio; } + i2c->gpios[idx] = gpio; ret = gpio_request(gpio, "i2c-bus"); if (ret) { diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index a7edf98..e388590 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -39,6 +39,7 @@ #include <linux/irqflags.h> #include <linux/rwsem.h> #include <linux/pm_runtime.h> +#include <linux/acpi.h> #include <asm/uaccess.h> #include "i2c-core.h" @@ -78,6 +79,10 @@ static int i2c_device_match(struct device *dev, struct device_driver *drv) if (of_driver_match_device(dev, drv)) return 1; + /* Then ACPI style match */ + if (acpi_driver_match_device(dev, drv)) + return 1; + driver = to_i2c_driver(drv); /* match on an id table if there is one */ if (driver->id_table) @@ -539,6 +544,7 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info) client->dev.bus = &i2c_bus_type; client->dev.type = &i2c_client_type; client->dev.of_node = info->of_node; + ACPI_HANDLE_SET(&client->dev, info->acpi_node.handle); /* For 10-bit clients, add an arbitrary offset to avoid collisions */ dev_set_name(&client->dev, "%d-%04x", i2c_adapter_id(adap), diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c index 5f097f3..7fa5b24 100644 --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -169,7 +169,7 @@ static int __devinit i2c_mux_pinctrl_probe(struct platform_device *pdev) mux->busses = devm_kzalloc(&pdev->dev, sizeof(mux->busses) * mux->pdata->bus_count, GFP_KERNEL); - if (!mux->states) { + if (!mux->busses) { dev_err(&pdev->dev, "Cannot allocate busses\n"); ret = -ENOMEM; goto err; diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index c0ec7d4..1abbc17 100644 --- a/drivers/input/input-mt.c +++ b/drivers/input/input-mt.c @@ -26,10 +26,14 @@ static void copy_abs(struct input_dev *dev, unsigned int dst, unsigned int src) * input_mt_init_slots() - initialize MT input slots * @dev: input device supporting MT events and finger tracking * @num_slots: number of slots used by the device + * @flags: mt tasks to handle in core * * This function allocates all necessary memory for MT slot handling * in the input device, prepares the ABS_MT_SLOT and * ABS_MT_TRACKING_ID events for use and sets up appropriate buffers. + * Depending on the flags set, it also performs pointer emulation and + * frame synchronization. + * * May be called repeatedly. Returns -EINVAL if attempting to * reinitialize with a different number of slots. */ diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c index 8f02e3d..4c842c3 100644 --- a/drivers/input/mousedev.c +++ b/drivers/input/mousedev.c @@ -12,8 +12,8 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #define MOUSEDEV_MINOR_BASE 32 -#define MOUSEDEV_MINORS 32 -#define MOUSEDEV_MIX 31 +#define MOUSEDEV_MINORS 31 +#define MOUSEDEV_MIX 63 #include <linux/sched.h> #include <linux/slab.h> diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index f02028e..78e5d9a 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -955,7 +955,8 @@ static int ads7846_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(ads7846_pm, ads7846_suspend, ads7846_resume); -static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads7846 *ts) +static int __devinit ads7846_setup_pendown(struct spi_device *spi, + struct ads7846 *ts) { struct ads7846_platform_data *pdata = spi->dev.platform_data; int err; @@ -981,6 +982,9 @@ static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads784 ts->gpio_pendown = pdata->gpio_pendown; + if (pdata->gpio_pendown_debounce) + gpio_set_debounce(pdata->gpio_pendown, + pdata->gpio_pendown_debounce); } else { dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n"); return -EINVAL; diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index d4a4cd4..0badfa4 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4108,7 +4108,7 @@ static void swap_pci_ref(struct pci_dev **from, struct pci_dev *to) static int intel_iommu_add_device(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); - struct pci_dev *bridge, *dma_pdev; + struct pci_dev *bridge, *dma_pdev = NULL; struct iommu_group *group; int ret; @@ -4122,7 +4122,7 @@ static int intel_iommu_add_device(struct device *dev) dma_pdev = pci_get_domain_bus_and_slot( pci_domain_nr(pdev->bus), bridge->subordinate->number, 0); - else + if (!dma_pdev) dma_pdev = pci_dev_get(bridge); } else dma_pdev = pci_dev_get(pdev); diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index a649f14..c0f7a42 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -1054,6 +1054,7 @@ static int smmu_debugfs_stats_show(struct seq_file *s, void *v) stats[i], val, offs); } seq_printf(s, "\n"); + dput(dent); return 0; } diff --git a/drivers/irqchip/irq-bcm2835.c b/drivers/irqchip/irq-bcm2835.c index dc670cc..16c78f1 100644 --- a/drivers/irqchip/irq-bcm2835.c +++ b/drivers/irqchip/irq-bcm2835.c @@ -168,7 +168,8 @@ static int __init armctrl_of_init(struct device_node *node, } static struct of_device_id irq_of_match[] __initconst = { - { .compatible = "brcm,bcm2835-armctrl-ic", .data = armctrl_of_init } + { .compatible = "brcm,bcm2835-armctrl-ic", .data = armctrl_of_init }, + { } }; void __init bcm2835_init_irq(void) diff --git a/drivers/leds/ledtrig-cpu.c b/drivers/leds/ledtrig-cpu.c index b312056..4239b39 100644 --- a/drivers/leds/ledtrig-cpu.c +++ b/drivers/leds/ledtrig-cpu.c @@ -33,8 +33,6 @@ struct led_trigger_cpu { char name[MAX_NAME_LEN]; struct led_trigger *_trig; - struct mutex lock; - int lock_is_inited; }; static DEFINE_PER_CPU(struct led_trigger_cpu, cpu_trig); @@ -50,12 +48,6 @@ void ledtrig_cpu(enum cpu_led_event ledevt) { struct led_trigger_cpu *trig = &__get_cpu_var(cpu_trig); - /* mutex lock should be initialized before calling mutex_call() */ - if (!trig->lock_is_inited) - return; - - mutex_lock(&trig->lock); - /* Locate the correct CPU LED */ switch (ledevt) { case CPU_LED_IDLE_END: @@ -75,8 +67,6 @@ void ledtrig_cpu(enum cpu_led_event ledevt) /* Will leave the LED as it is */ break; } - - mutex_unlock(&trig->lock); } EXPORT_SYMBOL(ledtrig_cpu); @@ -117,14 +107,9 @@ static int __init ledtrig_cpu_init(void) for_each_possible_cpu(cpu) { struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu); - mutex_init(&trig->lock); - snprintf(trig->name, MAX_NAME_LEN, "cpu%d", cpu); - mutex_lock(&trig->lock); led_trigger_register_simple(trig->name, &trig->_trig); - trig->lock_is_inited = 1; - mutex_unlock(&trig->lock); } register_syscore_ops(&ledtrig_cpu_syscore_ops); @@ -142,15 +127,9 @@ static void __exit ledtrig_cpu_exit(void) for_each_possible_cpu(cpu) { struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu); - mutex_lock(&trig->lock); - led_trigger_unregister_simple(trig->_trig); trig->_trig = NULL; memset(trig->name, 0, MAX_NAME_LEN); - trig->lock_is_inited = 0; - - mutex_unlock(&trig->lock); - mutex_destroy(&trig->lock); } unregister_syscore_ops(&ledtrig_cpu_syscore_ops); diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 02db918..77e6eff 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -740,8 +740,14 @@ static void rq_completed(struct mapped_device *md, int rw, int run_queue) if (!md_in_flight(md)) wake_up(&md->wait); + /* + * Run this off this callpath, as drivers could invoke end_io while + * inside their request_fn (and holding the queue lock). Calling + * back into ->request_fn() could deadlock attempting to grab the + * queue lock again. + */ if (run_queue) - blk_run_queue(md->queue); + blk_run_queue_async(md->queue); /* * dm_put() must be at the end of this function. See the comment above diff --git a/drivers/md/md.c b/drivers/md/md.c index 9ab768a..6120071 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1817,10 +1817,10 @@ retry: memset(bbp, 0xff, PAGE_SIZE); for (i = 0 ; i < bb->count ; i++) { - u64 internal_bb = *p++; + u64 internal_bb = p[i]; u64 store_bb = ((BB_OFFSET(internal_bb) << 10) | BB_LEN(internal_bb)); - *bbp++ = cpu_to_le64(store_bb); + bbp[i] = cpu_to_le64(store_bb); } bb->changed = 0; if (read_seqretry(&bb->lock, seq)) @@ -5294,7 +5294,7 @@ void md_stop_writes(struct mddev *mddev) } EXPORT_SYMBOL_GPL(md_stop_writes); -void md_stop(struct mddev *mddev) +static void __md_stop(struct mddev *mddev) { mddev->ready = 0; mddev->pers->stop(mddev); @@ -5304,6 +5304,18 @@ void md_stop(struct mddev *mddev) mddev->pers = NULL; clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); } + +void md_stop(struct mddev *mddev) +{ + /* stop the array and free an attached data structures. + * This is called from dm-raid + */ + __md_stop(mddev); + bitmap_destroy(mddev); + if (mddev->bio_set) + bioset_free(mddev->bio_set); +} + EXPORT_SYMBOL_GPL(md_stop); static int md_set_readonly(struct mddev *mddev, struct block_device *bdev) @@ -5364,7 +5376,7 @@ static int do_md_stop(struct mddev * mddev, int mode, set_disk_ro(disk, 0); __md_stop_writes(mddev); - md_stop(mddev); + __md_stop(mddev); mddev->queue->merge_bvec_fn = NULL; mddev->queue->backing_dev_info.congested_fn = NULL; @@ -7936,9 +7948,9 @@ int md_is_badblock(struct badblocks *bb, sector_t s, int sectors, sector_t *first_bad, int *bad_sectors) { int hi; - int lo = 0; + int lo; u64 *p = bb->page; - int rv = 0; + int rv; sector_t target = s + sectors; unsigned seq; @@ -7953,7 +7965,8 @@ int md_is_badblock(struct badblocks *bb, sector_t s, int sectors, retry: seq = read_seqbegin(&bb->lock); - + lo = 0; + rv = 0; hi = bb->count; /* Binary search between lo and hi for 'target' diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index d1295af..0d5d0ff 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -499,7 +499,7 @@ static void raid10_end_write_request(struct bio *bio, int error) */ one_write_done(r10_bio); if (dec_rdev) - rdev_dec_pending(conf->mirrors[dev].rdev, conf->mddev); + rdev_dec_pending(rdev, conf->mddev); } /* @@ -1334,18 +1334,21 @@ retry_write: blocked_rdev = rrdev; break; } + if (rdev && (test_bit(Faulty, &rdev->flags) + || test_bit(Unmerged, &rdev->flags))) + rdev = NULL; if (rrdev && (test_bit(Faulty, &rrdev->flags) || test_bit(Unmerged, &rrdev->flags))) rrdev = NULL; r10_bio->devs[i].bio = NULL; r10_bio->devs[i].repl_bio = NULL; - if (!rdev || test_bit(Faulty, &rdev->flags) || - test_bit(Unmerged, &rdev->flags)) { + + if (!rdev && !rrdev) { set_bit(R10BIO_Degraded, &r10_bio->state); continue; } - if (test_bit(WriteErrorSeen, &rdev->flags)) { + if (rdev && test_bit(WriteErrorSeen, &rdev->flags)) { sector_t first_bad; sector_t dev_sector = r10_bio->devs[i].addr; int bad_sectors; @@ -1387,8 +1390,10 @@ retry_write: max_sectors = good_sectors; } } - r10_bio->devs[i].bio = bio; - atomic_inc(&rdev->nr_pending); + if (rdev) { + r10_bio->devs[i].bio = bio; + atomic_inc(&rdev->nr_pending); + } if (rrdev) { r10_bio->devs[i].repl_bio = bio; atomic_inc(&rrdev->nr_pending); @@ -1444,69 +1449,71 @@ retry_write: for (i = 0; i < conf->copies; i++) { struct bio *mbio; int d = r10_bio->devs[i].devnum; - if (!r10_bio->devs[i].bio) - continue; + if (r10_bio->devs[i].bio) { + struct md_rdev *rdev = conf->mirrors[d].rdev; + mbio = bio_clone_mddev(bio, GFP_NOIO, mddev); + md_trim_bio(mbio, r10_bio->sector - bio->bi_sector, + max_sectors); + r10_bio->devs[i].bio = mbio; + + mbio->bi_sector = (r10_bio->devs[i].addr+ + choose_data_offset(r10_bio, + rdev)); + mbio->bi_bdev = rdev->bdev; + mbio->bi_end_io = raid10_end_write_request; + mbio->bi_rw = WRITE | do_sync | do_fua | do_discard; + mbio->bi_private = r10_bio; - mbio = bio_clone_mddev(bio, GFP_NOIO, mddev); - md_trim_bio(mbio, r10_bio->sector - bio->bi_sector, - max_sectors); - r10_bio->devs[i].bio = mbio; + atomic_inc(&r10_bio->remaining); - mbio->bi_sector = (r10_bio->devs[i].addr+ - choose_data_offset(r10_bio, - conf->mirrors[d].rdev)); - mbio->bi_bdev = conf->mirrors[d].rdev->bdev; - mbio->bi_end_io = raid10_end_write_request; - mbio->bi_rw = WRITE | do_sync | do_fua | do_discard; - mbio->bi_private = r10_bio; + cb = blk_check_plugged(raid10_unplug, mddev, + sizeof(*plug)); + if (cb) + plug = container_of(cb, struct raid10_plug_cb, + cb); + else + plug = NULL; + spin_lock_irqsave(&conf->device_lock, flags); + if (plug) { + bio_list_add(&plug->pending, mbio); + plug->pending_cnt++; + } else { + bio_list_add(&conf->pending_bio_list, mbio); + conf->pending_count++; + } + spin_unlock_irqrestore(&conf->device_lock, flags); + if (!plug) + md_wakeup_thread(mddev->thread); + } - atomic_inc(&r10_bio->remaining); + if (r10_bio->devs[i].repl_bio) { + struct md_rdev *rdev = conf->mirrors[d].replacement; + if (rdev == NULL) { + /* Replacement just got moved to main 'rdev' */ + smp_mb(); + rdev = conf->mirrors[d].rdev; + } + mbio = bio_clone_mddev(bio, GFP_NOIO, mddev); + md_trim_bio(mbio, r10_bio->sector - bio->bi_sector, + max_sectors); + r10_bio->devs[i].repl_bio = mbio; + + mbio->bi_sector = (r10_bio->devs[i].addr + + choose_data_offset( + r10_bio, rdev)); + mbio->bi_bdev = rdev->bdev; + mbio->bi_end_io = raid10_end_write_request; + mbio->bi_rw = WRITE | do_sync | do_fua | do_discard; + mbio->bi_private = r10_bio; - cb = blk_check_plugged(raid10_unplug, mddev, sizeof(*plug)); - if (cb) - plug = container_of(cb, struct raid10_plug_cb, cb); - else - plug = NULL; - spin_lock_irqsave(&conf->device_lock, flags); - if (plug) { - bio_list_add(&plug->pending, mbio); - plug->pending_cnt++; - } else { + atomic_inc(&r10_bio->remaining); + spin_lock_irqsave(&conf->device_lock, flags); bio_list_add(&conf->pending_bio_list, mbio); conf->pending_count++; + spin_unlock_irqrestore(&conf->device_lock, flags); + if (!mddev_check_plugged(mddev)) + md_wakeup_thread(mddev->thread); } - spin_unlock_irqrestore(&conf->device_lock, flags); - if (!plug) - md_wakeup_thread(mddev->thread); - - if (!r10_bio->devs[i].repl_bio) - continue; - - mbio = bio_clone_mddev(bio, GFP_NOIO, mddev); - md_trim_bio(mbio, r10_bio->sector - bio->bi_sector, - max_sectors); - r10_bio->devs[i].repl_bio = mbio; - - /* We are actively writing to the original device - * so it cannot disappear, so the replacement cannot - * become NULL here - */ - mbio->bi_sector = (r10_bio->devs[i].addr + - choose_data_offset( - r10_bio, - conf->mirrors[d].replacement)); - mbio->bi_bdev = conf->mirrors[d].replacement->bdev; - mbio->bi_end_io = raid10_end_write_request; - mbio->bi_rw = WRITE | do_sync | do_fua | do_discard; - mbio->bi_private = r10_bio; - - atomic_inc(&r10_bio->remaining); - spin_lock_irqsave(&conf->device_lock, flags); - bio_list_add(&conf->pending_bio_list, mbio); - conf->pending_count++; - spin_unlock_irqrestore(&conf->device_lock, flags); - if (!mddev_check_plugged(mddev)) - md_wakeup_thread(mddev->thread); } /* Don't remove the bias on 'remaining' (one_write_done) until diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index c5439dc..a450268 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2774,10 +2774,12 @@ static void handle_stripe_clean_event(struct r5conf *conf, dev = &sh->dev[i]; if (!test_bit(R5_LOCKED, &dev->flags) && (test_bit(R5_UPTODATE, &dev->flags) || - test_and_clear_bit(R5_Discard, &dev->flags))) { + test_bit(R5_Discard, &dev->flags))) { /* We can return any write requests */ struct bio *wbi, *wbi2; pr_debug("Return write for disc %d\n", i); + if (test_and_clear_bit(R5_Discard, &dev->flags)) + clear_bit(R5_UPTODATE, &dev->flags); wbi = dev->written; dev->written = NULL; while (wbi && wbi->bi_sector < @@ -2795,7 +2797,8 @@ static void handle_stripe_clean_event(struct r5conf *conf, !test_bit(STRIPE_DEGRADED, &sh->state), 0); } - } + } else if (test_bit(R5_Discard, &sh->dev[i].flags)) + clear_bit(R5_Discard, &sh->dev[i].flags); if (test_and_clear_bit(STRIPE_FULL_WRITE, &sh->state)) if (atomic_dec_and_test(&conf->pending_full_writes)) @@ -3490,40 +3493,6 @@ static void handle_stripe(struct stripe_head *sh) handle_failed_sync(conf, sh, &s); } - /* - * might be able to return some write requests if the parity blocks - * are safe, or on a failed drive - */ - pdev = &sh->dev[sh->pd_idx]; - s.p_failed = (s.failed >= 1 && s.failed_num[0] == sh->pd_idx) - || (s.failed >= 2 && s.failed_num[1] == sh->pd_idx); - qdev = &sh->dev[sh->qd_idx]; - s.q_failed = (s.failed >= 1 && s.failed_num[0] == sh->qd_idx) - || (s.failed >= 2 && s.failed_num[1] == sh->qd_idx) - || conf->level < 6; - - if (s.written && - (s.p_failed || ((test_bit(R5_Insync, &pdev->flags) - && !test_bit(R5_LOCKED, &pdev->flags) - && (test_bit(R5_UPTODATE, &pdev->flags) || - test_bit(R5_Discard, &pdev->flags))))) && - (s.q_failed || ((test_bit(R5_Insync, &qdev->flags) - && !test_bit(R5_LOCKED, &qdev->flags) - && (test_bit(R5_UPTODATE, &qdev->flags) || - test_bit(R5_Discard, &qdev->flags)))))) - handle_stripe_clean_event(conf, sh, disks, &s.return_bi); - - /* Now we might consider reading some blocks, either to check/generate - * parity, or to satisfy requests - * or to load a block that is being partially written. - */ - if (s.to_read || s.non_overwrite - || (conf->level == 6 && s.to_write && s.failed) - || (s.syncing && (s.uptodate + s.compute < disks)) - || s.replacing - || s.expanding) - handle_stripe_fill(sh, &s, disks); - /* Now we check to see if any write operations have recently * completed */ @@ -3561,6 +3530,40 @@ static void handle_stripe(struct stripe_head *sh) s.dec_preread_active = 1; } + /* + * might be able to return some write requests if the parity blocks + * are safe, or on a failed drive + */ + pdev = &sh->dev[sh->pd_idx]; + s.p_failed = (s.failed >= 1 && s.failed_num[0] == sh->pd_idx) + || (s.failed >= 2 && s.failed_num[1] == sh->pd_idx); + qdev = &sh->dev[sh->qd_idx]; + s.q_failed = (s.failed >= 1 && s.failed_num[0] == sh->qd_idx) + || (s.failed >= 2 && s.failed_num[1] == sh->qd_idx) + || conf->level < 6; + + if (s.written && + (s.p_failed || ((test_bit(R5_Insync, &pdev->flags) + && !test_bit(R5_LOCKED, &pdev->flags) + && (test_bit(R5_UPTODATE, &pdev->flags) || + test_bit(R5_Discard, &pdev->flags))))) && + (s.q_failed || ((test_bit(R5_Insync, &qdev->flags) + && !test_bit(R5_LOCKED, &qdev->flags) + && (test_bit(R5_UPTODATE, &qdev->flags) || + test_bit(R5_Discard, &qdev->flags)))))) + handle_stripe_clean_event(conf, sh, disks, &s.return_bi); + + /* Now we might consider reading some blocks, either to check/generate + * parity, or to satisfy requests + * or to load a block that is being partially written. + */ + if (s.to_read || s.non_overwrite + || (conf->level == 6 && s.to_write && s.failed) + || (s.syncing && (s.uptodate + s.compute < disks)) + || s.replacing + || s.expanding) + handle_stripe_fill(sh, &s, disks); + /* Now to consider new write requests and what else, if anything * should be read. We do not handle new writes when: * 1/ A 'write' operation (copy+xor) is already in flight. @@ -5529,6 +5532,10 @@ static int run(struct mddev *mddev) * discard data disk but write parity disk */ stripe = stripe * PAGE_SIZE; + /* Round up to power of 2, as discard handling + * currently assumes that */ + while ((stripe-1) & stripe) + stripe = (stripe | (stripe-1)) + 1; mddev->queue->limits.discard_alignment = stripe; mddev->queue->limits.discard_granularity = stripe; /* diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 9bf10e7..56eac10 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -81,6 +81,18 @@ config MMC_RICOH_MMC If unsure, say Y. +config MMC_SDHCI_ACPI + tristate "SDHCI support for ACPI enumerated SDHCI controllers" + depends on MMC_SDHCI && ACPI + help + This selects support for ACPI enumerated SDHCI controllers, + identified by ACPI Compatibility ID PNP0D40 or specific + ACPI Hardware IDs. + + If you have a controller with this interface, say Y or M here. + + If unsure, say N. + config MMC_SDHCI_PLTFM tristate "SDHCI platform and OF driver helper" depends on MMC_SDHCI diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index 17ad0a7..0e4960a 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_MMC_MXS) += mxs-mmc.o obj-$(CONFIG_MMC_SDHCI) += sdhci.o obj-$(CONFIG_MMC_SDHCI_PCI) += sdhci-pci.o obj-$(subst m,y,$(CONFIG_MMC_SDHCI_PCI)) += sdhci-pci-data.o +obj-$(CONFIG_MMC_SDHCI_ACPI) += sdhci-acpi.o obj-$(CONFIG_MMC_SDHCI_PXAV3) += sdhci-pxav3.o obj-$(CONFIG_MMC_SDHCI_PXAV2) += sdhci-pxav2.o obj-$(CONFIG_MMC_SDHCI_S3C) += sdhci-s3c.o diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c new file mode 100644 index 0000000..6ac3617 --- /dev/null +++ b/drivers/mmc/host/sdhci-acpi.c @@ -0,0 +1,304 @@ +/* + * Secure Digital Host Controller Interface ACPI driver. + * + * Copyright (c) 2012, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#include <linux/init.h> +#include <linux/export.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/ioport.h> +#include <linux/io.h> +#include <linux/dma-mapping.h> +#include <linux/compiler.h> +#include <linux/stddef.h> +#include <linux/bitops.h> +#include <linux/types.h> +#include <linux/err.h> +#include <linux/interrupt.h> +#include <linux/acpi.h> +#include <linux/pm.h> +#include <linux/pm_runtime.h> + +#include <linux/mmc/host.h> +#include <linux/mmc/pm.h> +#include <linux/mmc/sdhci.h> + +#include "sdhci.h" + +enum { + SDHCI_ACPI_SD_CD = BIT(0), + SDHCI_ACPI_RUNTIME_PM = BIT(1), +}; + +struct sdhci_acpi_chip { + const struct sdhci_ops *ops; + unsigned int quirks; + unsigned int quirks2; + unsigned long caps; + unsigned int caps2; + mmc_pm_flag_t pm_caps; +}; + +struct sdhci_acpi_slot { + const struct sdhci_acpi_chip *chip; + unsigned int quirks; + unsigned int quirks2; + unsigned long caps; + unsigned int caps2; + mmc_pm_flag_t pm_caps; + unsigned int flags; +}; + +struct sdhci_acpi_host { + struct sdhci_host *host; + const struct sdhci_acpi_slot *slot; + struct platform_device *pdev; + bool use_runtime_pm; +}; + +static inline bool sdhci_acpi_flag(struct sdhci_acpi_host *c, unsigned int flag) +{ + return c->slot && (c->slot->flags & flag); +} + +static int sdhci_acpi_enable_dma(struct sdhci_host *host) +{ + return 0; +} + +static const struct sdhci_ops sdhci_acpi_ops_dflt = { + .enable_dma = sdhci_acpi_enable_dma, +}; + +static const struct acpi_device_id sdhci_acpi_ids[] = { + { "PNP0D40" }, + { }, +}; +MODULE_DEVICE_TABLE(acpi, sdhci_acpi_ids); + +static const struct sdhci_acpi_slot *sdhci_acpi_get_slot(const char *hid) +{ + const struct acpi_device_id *id; + + for (id = sdhci_acpi_ids; id->id[0]; id++) + if (!strcmp(id->id, hid)) + return (const struct sdhci_acpi_slot *)id->driver_data; + return NULL; +} + +static int __devinit sdhci_acpi_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + acpi_handle handle = ACPI_HANDLE(dev); + struct acpi_device *device; + struct sdhci_acpi_host *c; + struct sdhci_host *host; + struct resource *iomem; + resource_size_t len; + const char *hid; + int err; + + if (acpi_bus_get_device(handle, &device)) + return -ENODEV; + + if (acpi_bus_get_status(device) || !device->status.present) + return -ENODEV; + + hid = acpi_device_hid(device); + + iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!iomem) + return -ENOMEM; + + len = resource_size(iomem); + if (len < 0x100) + dev_err(dev, "Invalid iomem size!\n"); + + if (!devm_request_mem_region(dev, iomem->start, len, dev_name(dev))) + return -ENOMEM; + + host = sdhci_alloc_host(dev, sizeof(struct sdhci_acpi_host)); + if (IS_ERR(host)) + return PTR_ERR(host); + + c = sdhci_priv(host); + c->host = host; + c->slot = sdhci_acpi_get_slot(hid); + c->pdev = pdev; + c->use_runtime_pm = sdhci_acpi_flag(c, SDHCI_ACPI_RUNTIME_PM); + + platform_set_drvdata(pdev, c); + + host->hw_name = "ACPI"; + host->ops = &sdhci_acpi_ops_dflt; + host->irq = platform_get_irq(pdev, 0); + + host->ioaddr = devm_ioremap_nocache(dev, iomem->start, + resource_size(iomem)); + if (host->ioaddr == NULL) { + err = -ENOMEM; + goto err_free; + } + + if (!dev->dma_mask) { + u64 dma_mask; + + if (sdhci_readl(host, SDHCI_CAPABILITIES) & SDHCI_CAN_64BIT) { + /* 64-bit DMA is not supported at present */ + dma_mask = DMA_BIT_MASK(32); + } else { + dma_mask = DMA_BIT_MASK(32); + } + + dev->dma_mask = &dev->coherent_dma_mask; + dev->coherent_dma_mask = dma_mask; + } + + if (c->slot) { + if (c->slot->chip) { + host->ops = c->slot->chip->ops; + host->quirks |= c->slot->chip->quirks; + host->quirks2 |= c->slot->chip->quirks2; + host->mmc->caps |= c->slot->chip->caps; + host->mmc->caps2 |= c->slot->chip->caps2; + host->mmc->pm_caps |= c->slot->chip->pm_caps; + } + host->quirks |= c->slot->quirks; + host->quirks2 |= c->slot->quirks2; + host->mmc->caps |= c->slot->caps; + host->mmc->caps2 |= c->slot->caps2; + host->mmc->pm_caps |= c->slot->pm_caps; + } + + err = sdhci_add_host(host); + if (err) + goto err_free; + + if (c->use_runtime_pm) { + pm_suspend_ignore_children(dev, 1); + pm_runtime_set_autosuspend_delay(dev, 50); + pm_runtime_use_autosuspend(dev); + pm_runtime_enable(dev); + } + + return 0; + +err_free: + platform_set_drvdata(pdev, NULL); + sdhci_free_host(c->host); + return err; +} + +static int __devexit sdhci_acpi_remove(struct platform_device *pdev) +{ + struct sdhci_acpi_host *c = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + int dead; + + if (c->use_runtime_pm) { + pm_runtime_get_sync(dev); + pm_runtime_disable(dev); + pm_runtime_put_noidle(dev); + } + + dead = (sdhci_readl(c->host, SDHCI_INT_STATUS) == ~0); + sdhci_remove_host(c->host, dead); + platform_set_drvdata(pdev, NULL); + sdhci_free_host(c->host); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP + +static int sdhci_acpi_suspend(struct device *dev) +{ + struct sdhci_acpi_host *c = dev_get_drvdata(dev); + + return sdhci_suspend_host(c->host); +} + +static int sdhci_acpi_resume(struct device *dev) +{ + struct sdhci_acpi_host *c = dev_get_drvdata(dev); + + return sdhci_resume_host(c->host); +} + +#else + +#define sdhci_acpi_suspend NULL +#define sdhci_acpi_resume NULL + +#endif + +#ifdef CONFIG_PM_RUNTIME + +static int sdhci_acpi_runtime_suspend(struct device *dev) +{ + struct sdhci_acpi_host *c = dev_get_drvdata(dev); + + return sdhci_runtime_suspend_host(c->host); +} + +static int sdhci_acpi_runtime_resume(struct device *dev) +{ + struct sdhci_acpi_host *c = dev_get_drvdata(dev); + + return sdhci_runtime_resume_host(c->host); +} + +static int sdhci_acpi_runtime_idle(struct device *dev) +{ + return 0; +} + +#else + +#define sdhci_acpi_runtime_suspend NULL +#define sdhci_acpi_runtime_resume NULL +#define sdhci_acpi_runtime_idle NULL + +#endif + +static const struct dev_pm_ops sdhci_acpi_pm_ops = { + .suspend = sdhci_acpi_suspend, + .resume = sdhci_acpi_resume, + .runtime_suspend = sdhci_acpi_runtime_suspend, + .runtime_resume = sdhci_acpi_runtime_resume, + .runtime_idle = sdhci_acpi_runtime_idle, +}; + +static struct platform_driver sdhci_acpi_driver = { + .driver = { + .name = "sdhci-acpi", + .owner = THIS_MODULE, + .acpi_match_table = sdhci_acpi_ids, + .pm = &sdhci_acpi_pm_ops, + }, + .probe = sdhci_acpi_probe, + .remove = __devexit_p(sdhci_acpi_remove), +}; + +module_platform_driver(sdhci_acpi_driver); + +MODULE_DESCRIPTION("Secure Digital Host Controller Interface ACPI driver"); +MODULE_AUTHOR("Adrian Hunter"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c index 8f52fc8..5a5cd2a 100644 --- a/drivers/mtd/devices/slram.c +++ b/drivers/mtd/devices/slram.c @@ -240,7 +240,7 @@ static int parse_cmdline(char *devname, char *szstart, char *szlength) if (*(szlength) != '+') { devlength = simple_strtoul(szlength, &buffer, 0); - devlength = handle_unit(devlength, buffer) - devstart; + devlength = handle_unit(devlength, buffer); if (devlength < devstart) goto err_out; diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index ec6841d..1a03b7f 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2983,13 +2983,15 @@ static void nand_decode_ext_id(struct mtd_info *mtd, struct nand_chip *chip, /* * Field definitions are in the following datasheets: * Old style (4,5 byte ID): Samsung K9GAG08U0M (p.32) - * New style (6 byte ID): Samsung K9GAG08U0F (p.44) + * New Samsung (6 byte ID): Samsung K9GAG08U0F (p.44) * Hynix MLC (6 byte ID): Hynix H27UBG8T2B (p.22) * - * Check for ID length, cell type, and Hynix/Samsung ID to decide what - * to do. + * Check for ID length, non-zero 6th byte, cell type, and Hynix/Samsung + * ID to decide what to do. */ - if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG) { + if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG && + (chip->cellinfo & NAND_CI_CELLTYPE_MSK) && + id_data[5] != 0x00) { /* Calc pagesize */ mtd->writesize = 2048 << (extid & 0x03); extid >>= 2; diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index 4fbfe96..f48ac5d 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c @@ -727,7 +727,9 @@ static void flctl_select_chip(struct mtd_info *mtd, int chipnr) if (!flctl->qos_request) { ret = dev_pm_qos_add_request(&flctl->pdev->dev, - &flctl->pm_qos, 100); + &flctl->pm_qos, + DEV_PM_QOS_LATENCY, + 100); if (ret < 0) dev_err(&flctl->pdev->dev, "PM QoS request failed: %d\n", ret); diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c index 64be8f08..d9127e2 100644 --- a/drivers/mtd/ofpart.c +++ b/drivers/mtd/ofpart.c @@ -121,7 +121,7 @@ static int parse_ofoldpart_partitions(struct mtd_info *master, nr_parts = plen / sizeof(part[0]); *pparts = kzalloc(nr_parts * sizeof(*(*pparts)), GFP_KERNEL); - if (!pparts) + if (!*pparts) return -ENOMEM; names = of_get_property(dp, "partition-names", &plen); diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 7153e0d2..b3f41f2 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -3694,7 +3694,7 @@ static int flexonenand_check_blocks_erased(struct mtd_info *mtd, int start, int * flexonenand_set_boundary - Writes the SLC boundary * @param mtd - mtd info structure */ -int flexonenand_set_boundary(struct mtd_info *mtd, int die, +static int flexonenand_set_boundary(struct mtd_info *mtd, int die, int boundary, int lock) { struct onenand_chip *this = mtd->priv; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index b2530b0..5f5b69f 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1379,6 +1379,8 @@ static void bond_compute_features(struct bonding *bond) struct net_device *bond_dev = bond->dev; netdev_features_t vlan_features = BOND_VLAN_FEATURES; unsigned short max_hard_header_len = ETH_HLEN; + unsigned int gso_max_size = GSO_MAX_SIZE; + u16 gso_max_segs = GSO_MAX_SEGS; int i; unsigned int flags, dst_release_flag = IFF_XMIT_DST_RELEASE; @@ -1394,11 +1396,16 @@ static void bond_compute_features(struct bonding *bond) dst_release_flag &= slave->dev->priv_flags; if (slave->dev->hard_header_len > max_hard_header_len) max_hard_header_len = slave->dev->hard_header_len; + + gso_max_size = min(gso_max_size, slave->dev->gso_max_size); + gso_max_segs = min(gso_max_segs, slave->dev->gso_max_segs); } done: bond_dev->vlan_features = vlan_features; bond_dev->hard_header_len = max_hard_header_len; + bond_dev->gso_max_segs = gso_max_segs; + netif_set_gso_max_size(bond_dev, gso_max_size); flags = bond_dev->priv_flags & ~IFF_XMIT_DST_RELEASE; bond_dev->priv_flags = flags | dst_release_flag; diff --git a/drivers/net/ethernet/8390/ne.c b/drivers/net/ethernet/8390/ne.c index d04911d..47618e5 100644 --- a/drivers/net/ethernet/8390/ne.c +++ b/drivers/net/ethernet/8390/ne.c @@ -813,6 +813,7 @@ static int __init ne_drv_probe(struct platform_device *pdev) dev->irq = irq[this_dev]; dev->mem_end = bad[this_dev]; } + SET_NETDEV_DEV(dev, &pdev->dev); err = do_ne_probe(dev); if (err) { free_netdev(dev); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index bd1fd3d..01611b3 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -9545,10 +9545,13 @@ static int __devinit bnx2x_prev_unload_common(struct bnx2x *bp) */ static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp) { - u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS); - if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) { - BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing"); - REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, 1 << BP_FUNC(bp)); + if (!CHIP_IS_E1x(bp)) { + u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS); + if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) { + BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing"); + REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, + 1 << BP_FUNC(bp)); + } } } diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index 92317e9..60ac46f 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -1860,10 +1860,14 @@ jme_open(struct net_device *netdev) jme_clear_pm(jme); JME_NAPI_ENABLE(jme); - tasklet_enable(&jme->linkch_task); - tasklet_enable(&jme->txclean_task); - tasklet_hi_enable(&jme->rxclean_task); - tasklet_hi_enable(&jme->rxempty_task); + tasklet_init(&jme->linkch_task, jme_link_change_tasklet, + (unsigned long) jme); + tasklet_init(&jme->txclean_task, jme_tx_clean_tasklet, + (unsigned long) jme); + tasklet_init(&jme->rxclean_task, jme_rx_clean_tasklet, + (unsigned long) jme); + tasklet_init(&jme->rxempty_task, jme_rx_empty_tasklet, + (unsigned long) jme); rc = jme_request_irq(jme); if (rc) @@ -3079,22 +3083,6 @@ jme_init_one(struct pci_dev *pdev, tasklet_init(&jme->pcc_task, jme_pcc_tasklet, (unsigned long) jme); - tasklet_init(&jme->linkch_task, - jme_link_change_tasklet, - (unsigned long) jme); - tasklet_init(&jme->txclean_task, - jme_tx_clean_tasklet, - (unsigned long) jme); - tasklet_init(&jme->rxclean_task, - jme_rx_clean_tasklet, - (unsigned long) jme); - tasklet_init(&jme->rxempty_task, - jme_rx_empty_tasklet, - (unsigned long) jme); - tasklet_disable_nosync(&jme->linkch_task); - tasklet_disable_nosync(&jme->txclean_task); - tasklet_disable_nosync(&jme->rxclean_task); - tasklet_disable_nosync(&jme->rxempty_task); jme->dpi.cur = PCC_P1; jme->reg_ghc = 0; diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c index e558edd..69e0197 100644 --- a/drivers/net/ethernet/micrel/ksz884x.c +++ b/drivers/net/ethernet/micrel/ksz884x.c @@ -5459,8 +5459,10 @@ static int prepare_hardware(struct net_device *dev) rc = request_irq(dev->irq, netdev_intr, IRQF_SHARED, dev->name, dev); if (rc) return rc; - tasklet_enable(&hw_priv->rx_tasklet); - tasklet_enable(&hw_priv->tx_tasklet); + tasklet_init(&hw_priv->rx_tasklet, rx_proc_task, + (unsigned long) hw_priv); + tasklet_init(&hw_priv->tx_tasklet, tx_proc_task, + (unsigned long) hw_priv); hw->promiscuous = 0; hw->all_multi = 0; @@ -7033,16 +7035,6 @@ static int __devinit pcidev_init(struct pci_dev *pdev, spin_lock_init(&hw_priv->hwlock); mutex_init(&hw_priv->lock); - /* tasklet is enabled. */ - tasklet_init(&hw_priv->rx_tasklet, rx_proc_task, - (unsigned long) hw_priv); - tasklet_init(&hw_priv->tx_tasklet, tx_proc_task, - (unsigned long) hw_priv); - - /* tasklet_enable will decrement the atomic counter. */ - tasklet_disable(&hw_priv->rx_tasklet); - tasklet_disable(&hw_priv->tx_tasklet); - for (i = 0; i < TOTAL_PORT_NUM; i++) init_waitqueue_head(&hw_priv->counter[i].counter); diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index 1c81825..b01f83a 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -979,17 +979,6 @@ static void cp_init_hw (struct cp_private *cp) cpw32_f (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0))); cpw32_f (MAC0 + 4, le32_to_cpu (*(__le32 *) (dev->dev_addr + 4))); - cpw32_f(HiTxRingAddr, 0); - cpw32_f(HiTxRingAddr + 4, 0); - - ring_dma = cp->ring_dma; - cpw32_f(RxRingAddr, ring_dma & 0xffffffff); - cpw32_f(RxRingAddr + 4, (ring_dma >> 16) >> 16); - - ring_dma += sizeof(struct cp_desc) * CP_RX_RING_SIZE; - cpw32_f(TxRingAddr, ring_dma & 0xffffffff); - cpw32_f(TxRingAddr + 4, (ring_dma >> 16) >> 16); - cp_start_hw(cp); cpw8(TxThresh, 0x06); /* XXX convert magic num to a constant */ @@ -1003,6 +992,17 @@ static void cp_init_hw (struct cp_private *cp) cpw8(Config5, cpr8(Config5) & PMEStatus); + cpw32_f(HiTxRingAddr, 0); + cpw32_f(HiTxRingAddr + 4, 0); + + ring_dma = cp->ring_dma; + cpw32_f(RxRingAddr, ring_dma & 0xffffffff); + cpw32_f(RxRingAddr + 4, (ring_dma >> 16) >> 16); + + ring_dma += sizeof(struct cp_desc) * CP_RX_RING_SIZE; + cpw32_f(TxRingAddr, ring_dma & 0xffffffff); + cpw32_f(TxRingAddr + 4, (ring_dma >> 16) >> 16); + cpw16(MultiIntr, 0); cpw8_f(Cfg9346, Cfg9346_Lock); diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c index fb9f6b3..edf5edb 100644 --- a/drivers/net/ethernet/sis/sis900.c +++ b/drivers/net/ethernet/sis/sis900.c @@ -2479,7 +2479,7 @@ static int sis900_resume(struct pci_dev *pci_dev) netif_start_queue(net_dev); /* Workaround for EDB */ - sis900_set_mode(ioaddr, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED); + sis900_set_mode(sis_priv, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED); /* Enable all known interrupts by setting the interrupt mask. */ sw32(imr, RxSOVR | RxORN | RxERR | RxOK | TxURN | TxERR | TxIDLE); diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index 62d1baf..c53c0f4 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -2110,7 +2110,7 @@ static void __devinit smsc911x_read_mac_address(struct net_device *dev) static int __devinit smsc911x_init(struct net_device *dev) { struct smsc911x_data *pdata = netdev_priv(dev); - unsigned int byte_test; + unsigned int byte_test, mask; unsigned int to = 100; SMSC_TRACE(pdata, probe, "Driver Parameters:"); @@ -2130,9 +2130,22 @@ static int __devinit smsc911x_init(struct net_device *dev) /* * poll the READY bit in PMT_CTRL. Any other access to the device is * forbidden while this bit isn't set. Try for 100ms + * + * Note that this test is done before the WORD_SWAP register is + * programmed. So in some configurations the READY bit is at 16 before + * WORD_SWAP is written to. This issue is worked around by waiting + * until either bit 0 or bit 16 gets set in PMT_CTRL. + * + * SMSC has confirmed that checking bit 16 (marked as reserved in + * the datasheet) is fine since these bits "will either never be set + * or can only go high after READY does (so also indicate the device + * is ready)". */ - while (!(smsc911x_reg_read(pdata, PMT_CTRL) & PMT_CTRL_READY_) && --to) + + mask = PMT_CTRL_READY_ | swahw32(PMT_CTRL_READY_); + while (!(smsc911x_reg_read(pdata, PMT_CTRL) & mask) && --to) udelay(1000); + if (to == 0) { pr_err("Device not READY in 100ms aborting\n"); return -ENODEV; diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c index 4e98100..66e025a 100644 --- a/drivers/net/ethernet/tile/tilegx.c +++ b/drivers/net/ethernet/tile/tilegx.c @@ -917,7 +917,7 @@ static int tile_net_setup_interrupts(struct net_device *dev) ingress_irq = rc; tile_irq_activate(ingress_irq, TILE_IRQ_PERCPU); rc = request_irq(ingress_irq, tile_net_handle_ingress_irq, - 0, NULL, NULL); + 0, "tile_net", NULL); if (rc != 0) { netdev_err(dev, "request_irq failed: %d\n", rc); destroy_irq(ingress_irq); diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 1d04754..a788501 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -894,6 +894,8 @@ out: return IRQ_HANDLED; } +static void axienet_dma_err_handler(unsigned long data); + /** * axienet_open - Driver open routine. * @ndev: Pointer to net_device structure @@ -942,6 +944,10 @@ static int axienet_open(struct net_device *ndev) phy_start(lp->phy_dev); } + /* Enable tasklets for Axi DMA error handling */ + tasklet_init(&lp->dma_err_tasklet, axienet_dma_err_handler, + (unsigned long) lp); + /* Enable interrupts for Axi DMA Tx */ ret = request_irq(lp->tx_irq, axienet_tx_irq, 0, ndev->name, ndev); if (ret) @@ -950,8 +956,7 @@ static int axienet_open(struct net_device *ndev) ret = request_irq(lp->rx_irq, axienet_rx_irq, 0, ndev->name, ndev); if (ret) goto err_rx_irq; - /* Enable tasklets for Axi DMA error handling */ - tasklet_enable(&lp->dma_err_tasklet); + return 0; err_rx_irq: @@ -960,6 +965,7 @@ err_tx_irq: if (lp->phy_dev) phy_disconnect(lp->phy_dev); lp->phy_dev = NULL; + tasklet_kill(&lp->dma_err_tasklet); dev_err(lp->dev, "request_irq() failed\n"); return ret; } @@ -1613,10 +1619,6 @@ static int __devinit axienet_of_probe(struct platform_device *op) goto err_iounmap_2; } - tasklet_init(&lp->dma_err_tasklet, axienet_dma_err_handler, - (unsigned long) lp); - tasklet_disable(&lp->dma_err_tasklet); - return 0; err_iounmap_2: diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c index 98934bd..477d672 100644 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c @@ -1102,10 +1102,12 @@ static int init_queues(struct port *port) { int i; - if (!ports_open) - if (!(dma_pool = dma_pool_create(DRV_NAME, NULL, - POOL_ALLOC_SIZE, 32, 0))) + if (!ports_open) { + dma_pool = dma_pool_create(DRV_NAME, &port->netdev->dev, + POOL_ALLOC_SIZE, 32, 0); + if (!dma_pool) return -ENOMEM; + } if (!(port->desc_tab = dma_pool_alloc(dma_pool, GFP_KERNEL, &port->desc_tab_phys))) diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c index 5039f08..43e9ab4 100644 --- a/drivers/net/irda/sir_dev.c +++ b/drivers/net/irda/sir_dev.c @@ -222,7 +222,7 @@ static void sirdev_config_fsm(struct work_struct *work) break; case SIRDEV_STATE_DONGLE_SPEED: - if (dev->dongle_drv->reset) { + if (dev->dongle_drv->set_speed) { ret = dev->dongle_drv->set_speed(dev, fsm->param); if (ret < 0) { fsm->result = ret; diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c index 6428fcb..daec9b0 100644 --- a/drivers/net/phy/mdio-bitbang.c +++ b/drivers/net/phy/mdio-bitbang.c @@ -234,7 +234,6 @@ void free_mdio_bitbang(struct mii_bus *bus) struct mdiobb_ctrl *ctrl = bus->priv; module_put(ctrl->ops->owner); - mdiobus_unregister(bus); mdiobus_free(bus); } EXPORT_SYMBOL(free_mdio_bitbang); diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c index 899274f..2ed1140 100644 --- a/drivers/net/phy/mdio-gpio.c +++ b/drivers/net/phy/mdio-gpio.c @@ -185,17 +185,20 @@ static int __devinit mdio_gpio_probe(struct platform_device *pdev) { struct mdio_gpio_platform_data *pdata; struct mii_bus *new_bus; - int ret; + int ret, bus_id; - if (pdev->dev.of_node) + if (pdev->dev.of_node) { pdata = mdio_gpio_of_get_data(pdev); - else + bus_id = of_alias_get_id(pdev->dev.of_node, "mdio-gpio"); + } else { pdata = pdev->dev.platform_data; + bus_id = pdev->id; + } if (!pdata) return -ENODEV; - new_bus = mdio_gpio_bus_init(&pdev->dev, pdata, pdev->id); + new_bus = mdio_gpio_bus_init(&pdev->dev, pdata, bus_id); if (!new_bus) return -ENODEV; diff --git a/drivers/net/team/team_mode_broadcast.c b/drivers/net/team/team_mode_broadcast.c index 9db0171..c5db428 100644 --- a/drivers/net/team/team_mode_broadcast.c +++ b/drivers/net/team/team_mode_broadcast.c @@ -29,8 +29,8 @@ static bool bc_transmit(struct team *team, struct sk_buff *skb) if (last) { skb2 = skb_clone(skb, GFP_ATOMIC); if (skb2) { - ret = team_dev_queue_xmit(team, last, - skb2); + ret = !team_dev_queue_xmit(team, last, + skb2); if (!sum_ret) sum_ret = ret; } @@ -39,7 +39,7 @@ static bool bc_transmit(struct team *team, struct sk_buff *skb) } } if (last) { - ret = team_dev_queue_xmit(team, last, skb); + ret = !team_dev_queue_xmit(team, last, skb); if (!sum_ret) sum_ret = ret; } diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 4cd582a..74fab1a 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -540,10 +540,12 @@ advance: (ctx->ether_desc == NULL) || (ctx->control != intf)) goto error; - /* claim interfaces, if any */ - temp = usb_driver_claim_interface(driver, ctx->data, dev); - if (temp) - goto error; + /* claim data interface, if different from control */ + if (ctx->data != ctx->control) { + temp = usb_driver_claim_interface(driver, ctx->data, dev); + if (temp) + goto error; + } iface_no = ctx->data->cur_altsetting->desc.bInterfaceNumber; @@ -623,6 +625,10 @@ static void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf) tasklet_kill(&ctx->bh); + /* handle devices with combined control and data interface */ + if (ctx->control == ctx->data) + ctx->data = NULL; + /* disconnect master --> disconnect slave */ if (intf == ctx->control && ctx->data) { usb_set_intfdata(ctx->data, NULL); @@ -1245,6 +1251,14 @@ static const struct usb_device_id cdc_devs[] = { .driver_info = (unsigned long) &wwan_info, }, + /* Huawei NCM devices disguised as vendor specific */ + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x16), + .driver_info = (unsigned long)&wwan_info, + }, + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x46), + .driver_info = (unsigned long)&wwan_info, + }, + /* Generic CDC-NCM devices */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 3286166..362cb8c 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -184,7 +184,7 @@ static int smsc95xx_mdio_read(struct net_device *netdev, int phy_id, int idx) /* set the address, index & direction (read from PHY) */ phy_id &= dev->mii.phy_id_mask; idx &= dev->mii.reg_num_mask; - addr = (phy_id << 11) | (idx << 6) | MII_READ_; + addr = (phy_id << 11) | (idx << 6) | MII_READ_ | MII_BUSY_; ret = smsc95xx_write_reg(dev, MII_ADDR, addr); check_warn_goto_done(ret, "Error writing MII_ADDR"); @@ -221,7 +221,7 @@ static void smsc95xx_mdio_write(struct net_device *netdev, int phy_id, int idx, /* set the address, index & direction (write to PHY) */ phy_id &= dev->mii.phy_id_mask; idx &= dev->mii.reg_num_mask; - addr = (phy_id << 11) | (idx << 6) | MII_WRITE_; + addr = (phy_id << 11) | (idx << 6) | MII_WRITE_ | MII_BUSY_; ret = smsc95xx_write_reg(dev, MII_ADDR, addr); check_warn_goto_done(ret, "Error writing MII_ADDR"); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 7b4adde..8b5c619 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1,5 +1,5 @@ /* - * VXLAN: Virtual eXtensiable Local Area Network + * VXLAN: Virtual eXtensible Local Area Network * * Copyright (c) 2012 Vyatta Inc. * @@ -50,8 +50,8 @@ #define VXLAN_N_VID (1u << 24) #define VXLAN_VID_MASK (VXLAN_N_VID - 1) -/* VLAN + IP header + UDP + VXLAN */ -#define VXLAN_HEADROOM (4 + 20 + 8 + 8) +/* IP header + UDP + VXLAN + Ethernet header */ +#define VXLAN_HEADROOM (20 + 8 + 8 + 14) #define VXLAN_FLAGS 0x08000000 /* struct vxlanhdr.vx_flags required value. */ @@ -1102,6 +1102,10 @@ static int vxlan_newlink(struct net *net, struct net_device *dev, if (!tb[IFLA_MTU]) dev->mtu = lowerdev->mtu - VXLAN_HEADROOM; + + /* update header length based on lower device */ + dev->hard_header_len = lowerdev->hard_header_len + + VXLAN_HEADROOM; } if (data[IFLA_VXLAN_TOS]) diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c index 3f575af..e9a3da5 100644 --- a/drivers/net/wan/ixp4xx_hss.c +++ b/drivers/net/wan/ixp4xx_hss.c @@ -969,10 +969,12 @@ static int init_hdlc_queues(struct port *port) { int i; - if (!ports_open) - if (!(dma_pool = dma_pool_create(DRV_NAME, NULL, - POOL_ALLOC_SIZE, 32, 0))) + if (!ports_open) { + dma_pool = dma_pool_create(DRV_NAME, &port->netdev->dev, + POOL_ALLOC_SIZE, 32, 0); + if (!dma_pool) return -ENOMEM; + } if (!(port->desc_tab = dma_pool_alloc(dma_pool, GFP_KERNEL, &port->desc_tab_phys))) diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 8e1559a..1829b44 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1456,7 +1456,7 @@ static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type) switch (type) { case ATH9K_RESET_POWER_ON: ret = ath9k_hw_set_reset_power_on(ah); - if (!ret) + if (ret) ah->reset_power_on = true; break; case ATH9K_RESET_WARM: diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index a6f1e81..481345c 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -4401,7 +4401,7 @@ static s32 brcmf_mode_to_nl80211_iftype(s32 mode) static void brcmf_wiphy_pno_params(struct wiphy *wiphy) { -#ifndef CONFIG_BRCMFISCAN +#ifndef CONFIG_BRCMISCAN /* scheduled scan settings */ wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c index ff8162d..2d9eee9 100644 --- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c @@ -521,7 +521,7 @@ static void iwlagn_mac_tx(struct ieee80211_hw *hw, ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); if (iwlagn_tx_skb(priv, control->sta, skb)) - dev_kfree_skb_any(skb); + ieee80211_free_txskb(hw, skb); } static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, @@ -1354,6 +1354,20 @@ static int iwlagn_mac_add_interface(struct ieee80211_hw *hw, vif_priv->ctx = ctx; ctx->vif = vif; + /* + * In SNIFFER device type, the firmware reports the FCS to + * the host, rather than snipping it off. Unfortunately, + * mac80211 doesn't (yet) provide a per-packet flag for + * this, so that we have to set the hardware flag based + * on the interfaces added. As the monitor interface can + * only be present by itself, and will be removed before + * other interfaces are added, this is safe. + */ + if (vif->type == NL80211_IFTYPE_MONITOR) + priv->hw->flags |= IEEE80211_HW_RX_INCLUDES_FCS; + else + priv->hw->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS; + err = iwl_setup_interface(priv, ctx); if (!err || reset) goto out; diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c index 7ff3f14..408132c 100644 --- a/drivers/net/wireless/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/iwlwifi/dvm/main.c @@ -2114,7 +2114,7 @@ static void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) info = IEEE80211_SKB_CB(skb); iwl_trans_free_tx_cmd(priv->trans, info->driver_data[1]); - dev_kfree_skb_any(skb); + ieee80211_free_txskb(priv->hw, skb); } static void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index 17c8e5d..bb69f8f 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -321,6 +321,14 @@ static void iwl_rx_allocate(struct iwl_trans *trans, gfp_t priority) dma_map_page(trans->dev, page, 0, PAGE_SIZE << trans_pcie->rx_page_order, DMA_FROM_DEVICE); + if (dma_mapping_error(trans->dev, rxb->page_dma)) { + rxb->page = NULL; + spin_lock_irqsave(&rxq->lock, flags); + list_add(&rxb->list, &rxq->rx_used); + spin_unlock_irqrestore(&rxq->lock, flags); + __free_pages(page, trans_pcie->rx_page_order); + return; + } /* dma address must be no more than 36 bits */ BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36)); /* and also 256 byte aligned! */ @@ -488,8 +496,19 @@ static void iwl_rx_handle_rxbuf(struct iwl_trans *trans, dma_map_page(trans->dev, rxb->page, 0, PAGE_SIZE << trans_pcie->rx_page_order, DMA_FROM_DEVICE); - list_add_tail(&rxb->list, &rxq->rx_free); - rxq->free_count++; + if (dma_mapping_error(trans->dev, rxb->page_dma)) { + /* + * free the page(s) as well to not break + * the invariant that the items on the used + * list have no page(s) + */ + __free_pages(rxb->page, trans_pcie->rx_page_order); + rxb->page = NULL; + list_add_tail(&rxb->list, &rxq->rx_used); + } else { + list_add_tail(&rxb->list, &rxq->rx_free); + rxq->free_count++; + } } else list_add_tail(&rxb->list, &rxq->rx_used); spin_unlock_irqrestore(&rxq->lock, flags); diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 105e3af..79a4ddc 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -480,20 +480,12 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo, void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - u16 rd_ptr, wr_ptr; - int n_bd = trans_pcie->txq[txq_id].q.n_bd; if (!test_and_clear_bit(txq_id, trans_pcie->queue_used)) { WARN_ONCE(1, "queue %d not used", txq_id); return; } - rd_ptr = iwl_read_prph(trans, SCD_QUEUE_RDPTR(txq_id)) & (n_bd - 1); - wr_ptr = iwl_read_prph(trans, SCD_QUEUE_WRPTR(txq_id)); - - WARN_ONCE(rd_ptr != wr_ptr, "queue %d isn't empty: [%d,%d]", - txq_id, rd_ptr, wr_ptr); - iwl_txq_set_inactive(trans, txq_id); IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", txq_id); } diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index 8d46510..ae9010e 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -890,9 +890,6 @@ mwifiex_cmd_timeout_func(unsigned long function_context) return; } cmd_node = adapter->curr_cmd; - if (cmd_node->wait_q_enabled) - adapter->cmd_wait_q.status = -ETIMEDOUT; - if (cmd_node) { adapter->dbg.timeout_cmd_id = adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index]; @@ -938,6 +935,14 @@ mwifiex_cmd_timeout_func(unsigned long function_context) dev_err(adapter->dev, "ps_mode=%d ps_state=%d\n", adapter->ps_mode, adapter->ps_state); + + if (cmd_node->wait_q_enabled) { + adapter->cmd_wait_q.status = -ETIMEDOUT; + wake_up_interruptible(&adapter->cmd_wait_q.wait); + mwifiex_cancel_pending_ioctl(adapter); + /* reset cmd_sent flag to unblock new commands */ + adapter->cmd_sent = false; + } } if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING) mwifiex_init_fw_complete(adapter); diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c index fc8a9bf..82cf0fa 100644 --- a/drivers/net/wireless/mwifiex/sdio.c +++ b/drivers/net/wireless/mwifiex/sdio.c @@ -161,7 +161,6 @@ static int mwifiex_sdio_suspend(struct device *dev) struct sdio_mmc_card *card; struct mwifiex_adapter *adapter; mmc_pm_flag_t pm_flag = 0; - int hs_actived = 0; int i; int ret = 0; @@ -188,12 +187,14 @@ static int mwifiex_sdio_suspend(struct device *dev) adapter = card->adapter; /* Enable the Host Sleep */ - hs_actived = mwifiex_enable_hs(adapter); - if (hs_actived) { - pr_debug("cmd: suspend with MMC_PM_KEEP_POWER\n"); - ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); + if (!mwifiex_enable_hs(adapter)) { + dev_err(adapter->dev, "cmd: failed to suspend\n"); + return -EFAULT; } + dev_dbg(adapter->dev, "cmd: suspend with MMC_PM_KEEP_POWER\n"); + ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); + /* Indicate device suspended */ adapter->is_suspended = true; diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c index 9970c2b..b7e6607 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c @@ -297,6 +297,7 @@ static struct usb_device_id rtl8192c_usb_ids[] = { /*=== Customer ID ===*/ /****** 8188CU ********/ {RTL_USB_DEVICE(0x050d, 0x1102, rtl92cu_hal_cfg)}, /*Belkin - Edimax*/ + {RTL_USB_DEVICE(0x050d, 0x11f2, rtl92cu_hal_cfg)}, /*Belkin - ISY*/ {RTL_USB_DEVICE(0x06f8, 0xe033, rtl92cu_hal_cfg)}, /*Hercules - Edimax*/ {RTL_USB_DEVICE(0x07b8, 0x8188, rtl92cu_hal_cfg)}, /*Abocom - Abocom*/ {RTL_USB_DEVICE(0x07b8, 0x8189, rtl92cu_hal_cfg)}, /*Funai - Abocom*/ diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index caa0110..fc24eb9 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -452,29 +452,85 @@ static void xennet_make_frags(struct sk_buff *skb, struct net_device *dev, /* Grant backend access to each skb fragment page. */ for (i = 0; i < frags; i++) { skb_frag_t *frag = skb_shinfo(skb)->frags + i; + struct page *page = skb_frag_page(frag); - tx->flags |= XEN_NETTXF_more_data; + len = skb_frag_size(frag); + offset = frag->page_offset; - id = get_id_from_freelist(&np->tx_skb_freelist, np->tx_skbs); - np->tx_skbs[id].skb = skb_get(skb); - tx = RING_GET_REQUEST(&np->tx, prod++); - tx->id = id; - ref = gnttab_claim_grant_reference(&np->gref_tx_head); - BUG_ON((signed short)ref < 0); + /* Data must not cross a page boundary. */ + BUG_ON(len + offset > PAGE_SIZE<<compound_order(page)); - mfn = pfn_to_mfn(page_to_pfn(skb_frag_page(frag))); - gnttab_grant_foreign_access_ref(ref, np->xbdev->otherend_id, - mfn, GNTMAP_readonly); + /* Skip unused frames from start of page */ + page += offset >> PAGE_SHIFT; + offset &= ~PAGE_MASK; - tx->gref = np->grant_tx_ref[id] = ref; - tx->offset = frag->page_offset; - tx->size = skb_frag_size(frag); - tx->flags = 0; + while (len > 0) { + unsigned long bytes; + + BUG_ON(offset >= PAGE_SIZE); + + bytes = PAGE_SIZE - offset; + if (bytes > len) + bytes = len; + + tx->flags |= XEN_NETTXF_more_data; + + id = get_id_from_freelist(&np->tx_skb_freelist, + np->tx_skbs); + np->tx_skbs[id].skb = skb_get(skb); + tx = RING_GET_REQUEST(&np->tx, prod++); + tx->id = id; + ref = gnttab_claim_grant_reference(&np->gref_tx_head); + BUG_ON((signed short)ref < 0); + + mfn = pfn_to_mfn(page_to_pfn(page)); + gnttab_grant_foreign_access_ref(ref, + np->xbdev->otherend_id, + mfn, GNTMAP_readonly); + + tx->gref = np->grant_tx_ref[id] = ref; + tx->offset = offset; + tx->size = bytes; + tx->flags = 0; + + offset += bytes; + len -= bytes; + + /* Next frame */ + if (offset == PAGE_SIZE && len) { + BUG_ON(!PageCompound(page)); + page++; + offset = 0; + } + } } np->tx.req_prod_pvt = prod; } +/* + * Count how many ring slots are required to send the frags of this + * skb. Each frag might be a compound page. + */ +static int xennet_count_skb_frag_slots(struct sk_buff *skb) +{ + int i, frags = skb_shinfo(skb)->nr_frags; + int pages = 0; + + for (i = 0; i < frags; i++) { + skb_frag_t *frag = skb_shinfo(skb)->frags + i; + unsigned long size = skb_frag_size(frag); + unsigned long offset = frag->page_offset; + + /* Skip unused frames from start of page */ + offset &= ~PAGE_MASK; + + pages += PFN_UP(offset + size); + } + + return pages; +} + static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) { unsigned short id; @@ -487,23 +543,23 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) grant_ref_t ref; unsigned long mfn; int notify; - int frags = skb_shinfo(skb)->nr_frags; + int slots; unsigned int offset = offset_in_page(data); unsigned int len = skb_headlen(skb); unsigned long flags; - frags += DIV_ROUND_UP(offset + len, PAGE_SIZE); - if (unlikely(frags > MAX_SKB_FRAGS + 1)) { - printk(KERN_ALERT "xennet: skb rides the rocket: %d frags\n", - frags); - dump_stack(); + slots = DIV_ROUND_UP(offset + len, PAGE_SIZE) + + xennet_count_skb_frag_slots(skb); + if (unlikely(slots > MAX_SKB_FRAGS + 1)) { + net_alert_ratelimited( + "xennet: skb rides the rocket: %d slots\n", slots); goto drop; } spin_lock_irqsave(&np->tx_lock, flags); if (unlikely(!netif_carrier_ok(dev) || - (frags > 1 && !xennet_can_sg(dev)) || + (slots > 1 && !xennet_can_sg(dev)) || netif_needs_gso(skb, netif_skb_features(skb)))) { spin_unlock_irqrestore(&np->tx_lock, flags); goto drop; diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 97c440a..30ae18a 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -698,13 +698,14 @@ static void pn533_wq_cmd(struct work_struct *work) cmd = list_first_entry(&dev->cmd_queue, struct pn533_cmd, queue); + list_del(&cmd->queue); + mutex_unlock(&dev->cmd_lock); __pn533_send_cmd_frame_async(dev, cmd->out_frame, cmd->in_frame, cmd->in_frame_len, cmd->cmd_complete, cmd->arg, cmd->flags); - list_del(&cmd->queue); kfree(cmd); } @@ -1678,11 +1679,14 @@ static void pn533_deactivate_target(struct nfc_dev *nfc_dev, static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg, u8 *params, int params_len) { - struct pn533_cmd_jump_dep *cmd; struct pn533_cmd_jump_dep_response *resp; struct nfc_target nfc_target; u8 target_gt_len; int rc; + struct pn533_cmd_jump_dep *cmd = (struct pn533_cmd_jump_dep *)arg; + u8 active = cmd->active; + + kfree(arg); if (params_len == -ENOENT) { nfc_dev_dbg(&dev->interface->dev, ""); @@ -1704,7 +1708,6 @@ static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg, } resp = (struct pn533_cmd_jump_dep_response *) params; - cmd = (struct pn533_cmd_jump_dep *) arg; rc = resp->status & PN533_CMD_RET_MASK; if (rc != PN533_CMD_RET_SUCCESS) { nfc_dev_err(&dev->interface->dev, @@ -1734,7 +1737,7 @@ static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg, if (rc == 0) rc = nfc_dep_link_is_up(dev->nfc_dev, dev->nfc_dev->targets[0].idx, - !cmd->active, NFC_RF_INITIATOR); + !active, NFC_RF_INITIATOR); return 0; } @@ -1819,12 +1822,8 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target, rc = pn533_send_cmd_frame_async(dev, dev->out_frame, dev->in_frame, dev->in_maxlen, pn533_in_dep_link_up_complete, cmd, GFP_KERNEL); - if (rc) - goto out; - - -out: - kfree(cmd); + if (rc < 0) + kfree(cmd); return rc; } @@ -2078,8 +2077,12 @@ error: static int pn533_tm_send_complete(struct pn533 *dev, void *arg, u8 *params, int params_len) { + struct sk_buff *skb_out = arg; + nfc_dev_dbg(&dev->interface->dev, "%s", __func__); + dev_kfree_skb(skb_out); + if (params_len < 0) { nfc_dev_err(&dev->interface->dev, "Error %d when sending data", @@ -2117,7 +2120,7 @@ static int pn533_tm_send(struct nfc_dev *nfc_dev, struct sk_buff *skb) rc = pn533_send_cmd_frame_async(dev, out_frame, dev->in_frame, dev->in_maxlen, pn533_tm_send_complete, - NULL, GFP_KERNEL); + skb, GFP_KERNEL); if (rc) { nfc_dev_err(&dev->interface->dev, "Error %d when trying to send data", rc); diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index c5792d6..1af4008 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -17,10 +17,9 @@ #include <linux/pci-acpi.h> #include <linux/pm_runtime.h> +#include <linux/pm_qos.h> #include "pci.h" -static DEFINE_MUTEX(pci_acpi_pm_notify_mtx); - /** * pci_acpi_wake_bus - Wake-up notification handler for root buses. * @handle: ACPI handle of a device the notification is for. @@ -68,67 +67,6 @@ static void pci_acpi_wake_dev(acpi_handle handle, u32 event, void *context) } /** - * add_pm_notifier - Register PM notifier for given ACPI device. - * @dev: ACPI device to add the notifier for. - * @context: PCI device or bus to check for PME status if an event is signaled. - * - * NOTE: @dev need not be a run-wake or wake-up device to be a valid source of - * PM wake-up events. For example, wake-up events may be generated for bridges - * if one of the devices below the bridge is signaling PME, even if the bridge - * itself doesn't have a wake-up GPE associated with it. - */ -static acpi_status add_pm_notifier(struct acpi_device *dev, - acpi_notify_handler handler, - void *context) -{ - acpi_status status = AE_ALREADY_EXISTS; - - mutex_lock(&pci_acpi_pm_notify_mtx); - - if (dev->wakeup.flags.notifier_present) - goto out; - - status = acpi_install_notify_handler(dev->handle, - ACPI_SYSTEM_NOTIFY, - handler, context); - if (ACPI_FAILURE(status)) - goto out; - - dev->wakeup.flags.notifier_present = true; - - out: - mutex_unlock(&pci_acpi_pm_notify_mtx); - return status; -} - -/** - * remove_pm_notifier - Unregister PM notifier from given ACPI device. - * @dev: ACPI device to remove the notifier from. - */ -static acpi_status remove_pm_notifier(struct acpi_device *dev, - acpi_notify_handler handler) -{ - acpi_status status = AE_BAD_PARAMETER; - - mutex_lock(&pci_acpi_pm_notify_mtx); - - if (!dev->wakeup.flags.notifier_present) - goto out; - - status = acpi_remove_notify_handler(dev->handle, - ACPI_SYSTEM_NOTIFY, - handler); - if (ACPI_FAILURE(status)) - goto out; - - dev->wakeup.flags.notifier_present = false; - - out: - mutex_unlock(&pci_acpi_pm_notify_mtx); - return status; -} - -/** * pci_acpi_add_bus_pm_notifier - Register PM notifier for given PCI bus. * @dev: ACPI device to add the notifier for. * @pci_bus: PCI bus to walk checking for PME status if an event is signaled. @@ -136,7 +74,7 @@ static acpi_status remove_pm_notifier(struct acpi_device *dev, acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev, struct pci_bus *pci_bus) { - return add_pm_notifier(dev, pci_acpi_wake_bus, pci_bus); + return acpi_add_pm_notifier(dev, pci_acpi_wake_bus, pci_bus); } /** @@ -145,7 +83,7 @@ acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev, */ acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev) { - return remove_pm_notifier(dev, pci_acpi_wake_bus); + return acpi_remove_pm_notifier(dev, pci_acpi_wake_bus); } /** @@ -156,7 +94,7 @@ acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev) acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev, struct pci_dev *pci_dev) { - return add_pm_notifier(dev, pci_acpi_wake_dev, pci_dev); + return acpi_add_pm_notifier(dev, pci_acpi_wake_dev, pci_dev); } /** @@ -165,7 +103,7 @@ acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev, */ acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev) { - return remove_pm_notifier(dev, pci_acpi_wake_dev); + return acpi_remove_pm_notifier(dev, pci_acpi_wake_dev); } phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle) @@ -257,11 +195,16 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state) return -ENODEV; switch (state) { + case PCI_D3cold: + if (dev_pm_qos_flags(&dev->dev, PM_QOS_FLAG_NO_POWER_OFF) == + PM_QOS_FLAGS_ALL) { + error = -EBUSY; + break; + } case PCI_D0: case PCI_D1: case PCI_D2: case PCI_D3hot: - case PCI_D3cold: error = acpi_bus_set_power(handle, state_conv[state]); } diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index d96caefd..aeecf0f 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -178,7 +178,7 @@ config PINCTRL_COH901 ports of 8 GPIO pins each. config PINCTRL_SAMSUNG - bool "Samsung pinctrl driver" + bool depends on OF && GPIOLIB select PINMUX select PINCONF diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h index fa4e0a5..ffd53e3 100644 --- a/drivers/pnp/base.h +++ b/drivers/pnp/base.h @@ -159,6 +159,8 @@ struct pnp_resource { void pnp_free_resource(struct pnp_resource *pnp_res); +struct pnp_resource *pnp_add_resource(struct pnp_dev *dev, + struct resource *res); struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq, int flags); struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma, diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c index 26b5d4b..653d563 100644 --- a/drivers/pnp/pnpacpi/core.c +++ b/drivers/pnp/pnpacpi/core.c @@ -242,6 +242,10 @@ static int __init pnpacpi_add_device(struct acpi_device *device) char *pnpid; struct acpi_hardware_id *id; + /* Skip devices that are already bound */ + if (device->physical_node_count) + return 0; + /* * If a PnPacpi device is not present , the device * driver should not be loaded. diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index 5be4a39..b8f4ea7 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -28,37 +28,6 @@ #include "../base.h" #include "pnpacpi.h" -#ifdef CONFIG_IA64 -#define valid_IRQ(i) (1) -#else -#define valid_IRQ(i) (((i) != 0) && ((i) != 2)) -#endif - -/* - * Allocated Resources - */ -static int irq_flags(int triggering, int polarity, int shareable) -{ - int flags; - - if (triggering == ACPI_LEVEL_SENSITIVE) { - if (polarity == ACPI_ACTIVE_LOW) - flags = IORESOURCE_IRQ_LOWLEVEL; - else - flags = IORESOURCE_IRQ_HIGHLEVEL; - } else { - if (polarity == ACPI_ACTIVE_LOW) - flags = IORESOURCE_IRQ_LOWEDGE; - else - flags = IORESOURCE_IRQ_HIGHEDGE; - } - - if (shareable == ACPI_SHARED) - flags |= IORESOURCE_IRQ_SHAREABLE; - - return flags; -} - static void decode_irq_flags(struct pnp_dev *dev, int flags, int *triggering, int *polarity, int *shareable) { @@ -94,45 +63,6 @@ static void decode_irq_flags(struct pnp_dev *dev, int flags, int *triggering, *shareable = ACPI_EXCLUSIVE; } -static void pnpacpi_parse_allocated_irqresource(struct pnp_dev *dev, - u32 gsi, int triggering, - int polarity, int shareable) -{ - int irq, flags; - int p, t; - - if (!valid_IRQ(gsi)) { - pnp_add_irq_resource(dev, gsi, IORESOURCE_DISABLED); - return; - } - - /* - * in IO-APIC mode, use overrided attribute. Two reasons: - * 1. BIOS bug in DSDT - * 2. BIOS uses IO-APIC mode Interrupt Source Override - */ - if (!acpi_get_override_irq(gsi, &t, &p)) { - t = t ? ACPI_LEVEL_SENSITIVE : ACPI_EDGE_SENSITIVE; - p = p ? ACPI_ACTIVE_LOW : ACPI_ACTIVE_HIGH; - - if (triggering != t || polarity != p) { - dev_warn(&dev->dev, "IRQ %d override to %s, %s\n", - gsi, t ? "edge":"level", p ? "low":"high"); - triggering = t; - polarity = p; - } - } - - flags = irq_flags(triggering, polarity, shareable); - irq = acpi_register_gsi(&dev->dev, gsi, triggering, polarity); - if (irq >= 0) - pcibios_penalize_isa_irq(irq, 1); - else - flags |= IORESOURCE_DISABLED; - - pnp_add_irq_resource(dev, irq, flags); -} - static int dma_flags(struct pnp_dev *dev, int type, int bus_master, int transfer) { @@ -177,21 +107,16 @@ static int dma_flags(struct pnp_dev *dev, int type, int bus_master, return flags; } -static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start, - u64 len, int io_decode, - int window) -{ - int flags = 0; - u64 end = start + len - 1; +/* + * Allocated Resources + */ - if (io_decode == ACPI_DECODE_16) - flags |= IORESOURCE_IO_16BIT_ADDR; - if (len == 0 || end >= 0x10003) - flags |= IORESOURCE_DISABLED; - if (window) - flags |= IORESOURCE_WINDOW; +static void pnpacpi_add_irqresource(struct pnp_dev *dev, struct resource *r) +{ + if (!(r->flags & IORESOURCE_DISABLED)) + pcibios_penalize_isa_irq(r->start, 1); - pnp_add_io_resource(dev, start, end, flags); + pnp_add_resource(dev, r); } /* @@ -249,130 +174,49 @@ static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev, } } -static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev, - u64 start, u64 len, - int write_protect, int window) -{ - int flags = 0; - u64 end = start + len - 1; - - if (len == 0) - flags |= IORESOURCE_DISABLED; - if (write_protect == ACPI_READ_WRITE_MEMORY) - flags |= IORESOURCE_MEM_WRITEABLE; - if (window) - flags |= IORESOURCE_WINDOW; - - pnp_add_mem_resource(dev, start, end, flags); -} - -static void pnpacpi_parse_allocated_busresource(struct pnp_dev *dev, - u64 start, u64 len) -{ - u64 end = start + len - 1; - - pnp_add_bus_resource(dev, start, end); -} - -static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev, - struct acpi_resource *res) -{ - struct acpi_resource_address64 addr, *p = &addr; - acpi_status status; - int window; - u64 len; - - status = acpi_resource_to_address64(res, p); - if (!ACPI_SUCCESS(status)) { - dev_warn(&dev->dev, "failed to convert resource type %d\n", - res->type); - return; - } - - /* Windows apparently computes length rather than using _LEN */ - len = p->maximum - p->minimum + 1; - window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0; - - if (p->resource_type == ACPI_MEMORY_RANGE) - pnpacpi_parse_allocated_memresource(dev, p->minimum, len, - p->info.mem.write_protect, window); - else if (p->resource_type == ACPI_IO_RANGE) - pnpacpi_parse_allocated_ioresource(dev, p->minimum, len, - p->granularity == 0xfff ? ACPI_DECODE_10 : - ACPI_DECODE_16, window); - else if (p->resource_type == ACPI_BUS_NUMBER_RANGE) - pnpacpi_parse_allocated_busresource(dev, p->minimum, len); -} - -static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev, - struct acpi_resource *res) -{ - struct acpi_resource_extended_address64 *p = &res->data.ext_address64; - int window; - u64 len; - - /* Windows apparently computes length rather than using _LEN */ - len = p->maximum - p->minimum + 1; - window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0; - - if (p->resource_type == ACPI_MEMORY_RANGE) - pnpacpi_parse_allocated_memresource(dev, p->minimum, len, - p->info.mem.write_protect, window); - else if (p->resource_type == ACPI_IO_RANGE) - pnpacpi_parse_allocated_ioresource(dev, p->minimum, len, - p->granularity == 0xfff ? ACPI_DECODE_10 : - ACPI_DECODE_16, window); - else if (p->resource_type == ACPI_BUS_NUMBER_RANGE) - pnpacpi_parse_allocated_busresource(dev, p->minimum, len); -} - static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, void *data) { struct pnp_dev *dev = data; - struct acpi_resource_irq *irq; struct acpi_resource_dma *dma; - struct acpi_resource_io *io; - struct acpi_resource_fixed_io *fixed_io; struct acpi_resource_vendor_typed *vendor_typed; - struct acpi_resource_memory24 *memory24; - struct acpi_resource_memory32 *memory32; - struct acpi_resource_fixed_memory32 *fixed_memory32; - struct acpi_resource_extended_irq *extended_irq; + struct resource r; int i, flags; - switch (res->type) { - case ACPI_RESOURCE_TYPE_IRQ: - /* - * Per spec, only one interrupt per descriptor is allowed in - * _CRS, but some firmware violates this, so parse them all. - */ - irq = &res->data.irq; - if (irq->interrupt_count == 0) - pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED); - else { - for (i = 0; i < irq->interrupt_count; i++) { - pnpacpi_parse_allocated_irqresource(dev, - irq->interrupts[i], - irq->triggering, - irq->polarity, - irq->sharable); - } + if (acpi_dev_resource_memory(res, &r) + || acpi_dev_resource_io(res, &r) + || acpi_dev_resource_address_space(res, &r) + || acpi_dev_resource_ext_address_space(res, &r)) { + pnp_add_resource(dev, &r); + return AE_OK; + } + r.flags = 0; + if (acpi_dev_resource_interrupt(res, 0, &r)) { + pnpacpi_add_irqresource(dev, &r); + for (i = 1; acpi_dev_resource_interrupt(res, i, &r); i++) + pnpacpi_add_irqresource(dev, &r); + + if (i > 1) { /* * The IRQ encoder puts a single interrupt in each * descriptor, so if a _CRS descriptor has more than * one interrupt, we won't be able to re-encode it. */ - if (pnp_can_write(dev) && irq->interrupt_count > 1) { + if (pnp_can_write(dev)) { dev_warn(&dev->dev, "multiple interrupts in " "_CRS descriptor; configuration can't " "be changed\n"); dev->capabilities &= ~PNP_WRITE; } } - break; + return AE_OK; + } else if (r.flags & IORESOURCE_DISABLED) { + pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED); + return AE_OK; + } + switch (res->type) { case ACPI_RESOURCE_TYPE_DMA: dma = &res->data.dma; if (dma->channel_count > 0 && dma->channels[0] != (u8) -1) @@ -383,26 +227,10 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, pnp_add_dma_resource(dev, dma->channels[0], flags); break; - case ACPI_RESOURCE_TYPE_IO: - io = &res->data.io; - pnpacpi_parse_allocated_ioresource(dev, - io->minimum, - io->address_length, - io->io_decode, 0); - break; - case ACPI_RESOURCE_TYPE_START_DEPENDENT: case ACPI_RESOURCE_TYPE_END_DEPENDENT: break; - case ACPI_RESOURCE_TYPE_FIXED_IO: - fixed_io = &res->data.fixed_io; - pnpacpi_parse_allocated_ioresource(dev, - fixed_io->address, - fixed_io->address_length, - ACPI_DECODE_10, 0); - break; - case ACPI_RESOURCE_TYPE_VENDOR: vendor_typed = &res->data.vendor_typed; pnpacpi_parse_allocated_vendor(dev, vendor_typed); @@ -411,66 +239,6 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res, case ACPI_RESOURCE_TYPE_END_TAG: break; - case ACPI_RESOURCE_TYPE_MEMORY24: - memory24 = &res->data.memory24; - pnpacpi_parse_allocated_memresource(dev, - memory24->minimum, - memory24->address_length, - memory24->write_protect, 0); - break; - case ACPI_RESOURCE_TYPE_MEMORY32: - memory32 = &res->data.memory32; - pnpacpi_parse_allocated_memresource(dev, - memory32->minimum, - memory32->address_length, - memory32->write_protect, 0); - break; - case ACPI_RESOURCE_TYPE_FIXED_MEMORY32: - fixed_memory32 = &res->data.fixed_memory32; - pnpacpi_parse_allocated_memresource(dev, - fixed_memory32->address, - fixed_memory32->address_length, - fixed_memory32->write_protect, 0); - break; - case ACPI_RESOURCE_TYPE_ADDRESS16: - case ACPI_RESOURCE_TYPE_ADDRESS32: - case ACPI_RESOURCE_TYPE_ADDRESS64: - pnpacpi_parse_allocated_address_space(dev, res); - break; - - case ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64: - pnpacpi_parse_allocated_ext_address_space(dev, res); - break; - - case ACPI_RESOURCE_TYPE_EXTENDED_IRQ: - extended_irq = &res->data.extended_irq; - - if (extended_irq->interrupt_count == 0) - pnp_add_irq_resource(dev, 0, IORESOURCE_DISABLED); - else { - for (i = 0; i < extended_irq->interrupt_count; i++) { - pnpacpi_parse_allocated_irqresource(dev, - extended_irq->interrupts[i], - extended_irq->triggering, - extended_irq->polarity, - extended_irq->sharable); - } - - /* - * The IRQ encoder puts a single interrupt in each - * descriptor, so if a _CRS descriptor has more than - * one interrupt, we won't be able to re-encode it. - */ - if (pnp_can_write(dev) && - extended_irq->interrupt_count > 1) { - dev_warn(&dev->dev, "multiple interrupts in " - "_CRS descriptor; configuration can't " - "be changed\n"); - dev->capabilities &= ~PNP_WRITE; - } - } - break; - case ACPI_RESOURCE_TYPE_GENERIC_REGISTER: break; @@ -531,7 +299,7 @@ static __init void pnpacpi_parse_irq_option(struct pnp_dev *dev, if (p->interrupts[i]) __set_bit(p->interrupts[i], map.bits); - flags = irq_flags(p->triggering, p->polarity, p->sharable); + flags = acpi_dev_irq_flags(p->triggering, p->polarity, p->sharable); pnp_register_irq_resource(dev, option_flags, &map, flags); } @@ -555,7 +323,7 @@ static __init void pnpacpi_parse_ext_irq_option(struct pnp_dev *dev, } } - flags = irq_flags(p->triggering, p->polarity, p->sharable); + flags = acpi_dev_irq_flags(p->triggering, p->polarity, p->sharable); pnp_register_irq_resource(dev, option_flags, &map, flags); } diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index b0ecacb..3e6db1c 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -503,6 +503,22 @@ static struct pnp_resource *pnp_new_resource(struct pnp_dev *dev) return pnp_res; } +struct pnp_resource *pnp_add_resource(struct pnp_dev *dev, + struct resource *res) +{ + struct pnp_resource *pnp_res; + + pnp_res = pnp_new_resource(dev); + if (!pnp_res) { + dev_err(&dev->dev, "can't add resource %pR\n", res); + return NULL; + } + + pnp_res->res = *res; + dev_dbg(&dev->dev, "%pR\n", res); + return pnp_res; +} + struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq, int flags) { diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index c17ae22..0c6fcb4 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -401,7 +401,7 @@ EXPORT_SYMBOL_GPL(rio_release_inb_pwrite); /** * rio_map_inb_region -- Map inbound memory region. * @mport: Master port. - * @lstart: physical address of memory region to be mapped + * @local: physical address of memory region to be mapped * @rbase: RIO base address assigned to this window * @size: Size of the memory region * @rflags: Flags for mapping. diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 5c4829c..e872c8b 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1381,22 +1381,14 @@ struct regulator *regulator_get_exclusive(struct device *dev, const char *id) } EXPORT_SYMBOL_GPL(regulator_get_exclusive); -/** - * regulator_put - "free" the regulator source - * @regulator: regulator source - * - * Note: drivers must ensure that all regulator_enable calls made on this - * regulator source are balanced by regulator_disable calls prior to calling - * this function. - */ -void regulator_put(struct regulator *regulator) +/* Locks held by regulator_put() */ +static void _regulator_put(struct regulator *regulator) { struct regulator_dev *rdev; if (regulator == NULL || IS_ERR(regulator)) return; - mutex_lock(®ulator_list_mutex); rdev = regulator->rdev; debugfs_remove_recursive(regulator->debugfs); @@ -1412,6 +1404,20 @@ void regulator_put(struct regulator *regulator) rdev->exclusive = 0; module_put(rdev->owner); +} + +/** + * regulator_put - "free" the regulator source + * @regulator: regulator source + * + * Note: drivers must ensure that all regulator_enable calls made on this + * regulator source are balanced by regulator_disable calls prior to calling + * this function. + */ +void regulator_put(struct regulator *regulator) +{ + mutex_lock(®ulator_list_mutex); + _regulator_put(regulator); mutex_unlock(®ulator_list_mutex); } EXPORT_SYMBOL_GPL(regulator_put); @@ -1974,7 +1980,7 @@ int regulator_is_supported_voltage(struct regulator *regulator, if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) { ret = regulator_get_voltage(regulator); if (ret >= 0) - return (min_uV >= ret && ret <= max_uV); + return (min_uV <= ret && ret <= max_uV); else return ret; } @@ -3365,7 +3371,7 @@ regulator_register(const struct regulator_desc *regulator_desc, if (ret != 0) { rdev_err(rdev, "Failed to request enable GPIO%d: %d\n", config->ena_gpio, ret); - goto clean; + goto wash; } rdev->ena_gpio = config->ena_gpio; @@ -3445,10 +3451,11 @@ unset_supplies: scrub: if (rdev->supply) - regulator_put(rdev->supply); + _regulator_put(rdev->supply); if (rdev->ena_gpio) gpio_free(rdev->ena_gpio); kfree(rdev->constraints); +wash: device_unregister(&rdev->dev); /* device core frees rdev */ rdev = ERR_PTR(ret); diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 9ffb6d5..4ed343e 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -44,7 +44,6 @@ #define RAW3215_NR_CCWS 3 #define RAW3215_TIMEOUT HZ/10 /* time for delayed output */ -#define RAW3215_FIXED 1 /* 3215 console device is not be freed */ #define RAW3215_WORKING 4 /* set if a request is being worked on */ #define RAW3215_THROTTLED 8 /* set if reading is disabled */ #define RAW3215_STOPPED 16 /* set if writing is disabled */ @@ -339,8 +338,10 @@ static void raw3215_wakeup(unsigned long data) struct tty_struct *tty; tty = tty_port_tty_get(&raw->port); - tty_wakeup(tty); - tty_kref_put(tty); + if (tty) { + tty_wakeup(tty); + tty_kref_put(tty); + } } /* @@ -629,8 +630,7 @@ static void raw3215_shutdown(struct raw3215_info *raw) DECLARE_WAITQUEUE(wait, current); unsigned long flags; - if (!(raw->port.flags & ASYNC_INITIALIZED) || - (raw->flags & RAW3215_FIXED)) + if (!(raw->port.flags & ASYNC_INITIALIZED)) return; /* Wait for outstanding requests, then free irq */ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); @@ -926,8 +926,6 @@ static int __init con3215_init(void) dev_set_drvdata(&cdev->dev, raw); cdev->handler = raw3215_irq; - raw->flags |= RAW3215_FIXED; - /* Request the console irq */ if (raw3215_startup(raw) != 0) { raw3215_free_info(raw); diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 3e25d315..4d6ba00 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -2942,13 +2942,33 @@ static int qeth_query_ipassists_cb(struct qeth_card *card, QETH_DBF_TEXT(SETUP, 2, "qipasscb"); cmd = (struct qeth_ipa_cmd *) data; + + switch (cmd->hdr.return_code) { + case IPA_RC_NOTSUPP: + case IPA_RC_L2_UNSUPPORTED_CMD: + QETH_DBF_TEXT(SETUP, 2, "ipaunsup"); + card->options.ipa4.supported_funcs |= IPA_SETADAPTERPARMS; + card->options.ipa6.supported_funcs |= IPA_SETADAPTERPARMS; + return -0; + default: + if (cmd->hdr.return_code) { + QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Unhandled " + "rc=%d\n", + dev_name(&card->gdev->dev), + cmd->hdr.return_code); + return 0; + } + } + if (cmd->hdr.prot_version == QETH_PROT_IPV4) { card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; - } else { + } else if (cmd->hdr.prot_version == QETH_PROT_IPV6) { card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; - } + } else + QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Flawed LIC detected" + "\n", dev_name(&card->gdev->dev)); QETH_DBF_TEXT(SETUP, 2, "suppenbl"); QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_supported); QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_enabled); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index e67e025..fddb626 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -626,10 +626,13 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card) QETH_DBF_TEXT(SETUP, 2, "doL2init"); QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); - rc = qeth_query_setadapterparms(card); - if (rc) { - QETH_DBF_MESSAGE(2, "could not query adapter parameters on " - "device %s: x%x\n", CARD_BUS_ID(card), rc); + if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) { + rc = qeth_query_setadapterparms(card); + if (rc) { + QETH_DBF_MESSAGE(2, "could not query adapter " + "parameters on device %s: x%x\n", + CARD_BUS_ID(card), rc); + } } if (card->info.type == QETH_CARD_TYPE_IQD || @@ -676,7 +679,7 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p) return -ERESTARTSYS; } rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]); - if (!rc) + if (!rc || (rc == IPA_RC_L2_MAC_NOT_FOUND)) rc = qeth_l2_send_setmac(card, addr->sa_data); return rc ? -EINVAL : 0; } diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index c1bafc3..9594ab6 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -1972,7 +1972,7 @@ sci_io_request_frame_handler(struct isci_request *ireq, frame_index, (void **)&frame_buffer); - sci_controller_copy_sata_response(&ireq->stp.req, + sci_controller_copy_sata_response(&ireq->stp.rsp, frame_header, frame_buffer); diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 2936b44..2c0d0ec 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -55,6 +55,7 @@ #include <linux/cpu.h> #include <linux/mutex.h> #include <linux/async.h> +#include <asm/unaligned.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -1062,6 +1063,50 @@ int scsi_get_vpd_page(struct scsi_device *sdev, u8 page, unsigned char *buf, EXPORT_SYMBOL_GPL(scsi_get_vpd_page); /** + * scsi_report_opcode - Find out if a given command opcode is supported + * @sdev: scsi device to query + * @buffer: scratch buffer (must be at least 20 bytes long) + * @len: length of buffer + * @opcode: opcode for command to look up + * + * Uses the REPORT SUPPORTED OPERATION CODES to look up the given + * opcode. Returns 0 if RSOC fails or if the command opcode is + * unsupported. Returns 1 if the device claims to support the command. + */ +int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer, + unsigned int len, unsigned char opcode) +{ + unsigned char cmd[16]; + struct scsi_sense_hdr sshdr; + int result; + + if (sdev->no_report_opcodes || sdev->scsi_level < SCSI_SPC_3) + return 0; + + memset(cmd, 0, 16); + cmd[0] = MAINTENANCE_IN; + cmd[1] = MI_REPORT_SUPPORTED_OPERATION_CODES; + cmd[2] = 1; /* One command format */ + cmd[3] = opcode; + put_unaligned_be32(len, &cmd[6]); + memset(buffer, 0, len); + + result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len, + &sshdr, 30 * HZ, 3, NULL); + + if (result && scsi_sense_valid(&sshdr) && + sshdr.sense_key == ILLEGAL_REQUEST && + (sshdr.asc == 0x20 || sshdr.asc == 0x24) && sshdr.ascq == 0x00) + return 0; + + if ((buffer[1] & 3) == 3) /* Command supported */ + return 1; + + return 0; +} +EXPORT_SYMBOL(scsi_report_opcode); + +/** * scsi_device_get - get an additional reference to a scsi_device * @sdev: device to get a reference to * diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index da36a3a..9032e91 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -900,11 +900,23 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) action = ACTION_FAIL; error = -EILSEQ; /* INVALID COMMAND OPCODE or INVALID FIELD IN CDB */ - } else if ((sshdr.asc == 0x20 || sshdr.asc == 0x24) && - (cmd->cmnd[0] == UNMAP || - cmd->cmnd[0] == WRITE_SAME_16 || - cmd->cmnd[0] == WRITE_SAME)) { - description = "Discard failure"; + } else if (sshdr.asc == 0x20 || sshdr.asc == 0x24) { + switch (cmd->cmnd[0]) { + case UNMAP: + description = "Discard failure"; + break; + case WRITE_SAME: + case WRITE_SAME_16: + if (cmd->cmnd[1] & 0x8) + description = "Discard failure"; + else + description = + "Write same failure"; + break; + default: + description = "Invalid command failure"; + break; + } action = ACTION_FAIL; error = -EREMOTEIO; } else diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 12f6fdf..352bc77 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -99,6 +99,7 @@ MODULE_ALIAS_SCSI_DEVICE(TYPE_RBC); #endif static void sd_config_discard(struct scsi_disk *, unsigned int); +static void sd_config_write_same(struct scsi_disk *); static int sd_revalidate_disk(struct gendisk *); static void sd_unlock_native_capacity(struct gendisk *disk); static int sd_probe(struct device *); @@ -395,6 +396,45 @@ sd_store_max_medium_access_timeouts(struct device *dev, return err ? err : count; } +static ssize_t +sd_show_write_same_blocks(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct scsi_disk *sdkp = to_scsi_disk(dev); + + return snprintf(buf, 20, "%u\n", sdkp->max_ws_blocks); +} + +static ssize_t +sd_store_write_same_blocks(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct scsi_disk *sdkp = to_scsi_disk(dev); + struct scsi_device *sdp = sdkp->device; + unsigned long max; + int err; + + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + + if (sdp->type != TYPE_DISK) + return -EINVAL; + + err = kstrtoul(buf, 10, &max); + + if (err) + return err; + + if (max == 0) + sdp->no_write_same = 1; + else if (max <= SD_MAX_WS16_BLOCKS) + sdkp->max_ws_blocks = max; + + sd_config_write_same(sdkp); + + return count; +} + static struct device_attribute sd_disk_attrs[] = { __ATTR(cache_type, S_IRUGO|S_IWUSR, sd_show_cache_type, sd_store_cache_type), @@ -410,6 +450,8 @@ static struct device_attribute sd_disk_attrs[] = { __ATTR(thin_provisioning, S_IRUGO, sd_show_thin_provisioning, NULL), __ATTR(provisioning_mode, S_IRUGO|S_IWUSR, sd_show_provisioning_mode, sd_store_provisioning_mode), + __ATTR(max_write_same_blocks, S_IRUGO|S_IWUSR, + sd_show_write_same_blocks, sd_store_write_same_blocks), __ATTR(max_medium_access_timeouts, S_IRUGO|S_IWUSR, sd_show_max_medium_access_timeouts, sd_store_max_medium_access_timeouts), @@ -561,19 +603,23 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode) return; case SD_LBP_UNMAP: - max_blocks = min_not_zero(sdkp->max_unmap_blocks, 0xffffffff); + max_blocks = min_not_zero(sdkp->max_unmap_blocks, + (u32)SD_MAX_WS16_BLOCKS); break; case SD_LBP_WS16: - max_blocks = min_not_zero(sdkp->max_ws_blocks, 0xffffffff); + max_blocks = min_not_zero(sdkp->max_ws_blocks, + (u32)SD_MAX_WS16_BLOCKS); break; case SD_LBP_WS10: - max_blocks = min_not_zero(sdkp->max_ws_blocks, (u32)0xffff); + max_blocks = min_not_zero(sdkp->max_ws_blocks, + (u32)SD_MAX_WS10_BLOCKS); break; case SD_LBP_ZERO: - max_blocks = min_not_zero(sdkp->max_ws_blocks, (u32)0xffff); + max_blocks = min_not_zero(sdkp->max_ws_blocks, + (u32)SD_MAX_WS10_BLOCKS); q->limits.discard_zeroes_data = 1; break; } @@ -583,29 +629,26 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode) } /** - * scsi_setup_discard_cmnd - unmap blocks on thinly provisioned device + * sd_setup_discard_cmnd - unmap blocks on thinly provisioned device * @sdp: scsi device to operate one * @rq: Request to prepare * * Will issue either UNMAP or WRITE SAME(16) depending on preference * indicated by target device. **/ -static int scsi_setup_discard_cmnd(struct scsi_device *sdp, struct request *rq) +static int sd_setup_discard_cmnd(struct scsi_device *sdp, struct request *rq) { struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); - struct bio *bio = rq->bio; - sector_t sector = bio->bi_sector; - unsigned int nr_sectors = bio_sectors(bio); + sector_t sector = blk_rq_pos(rq); + unsigned int nr_sectors = blk_rq_sectors(rq); + unsigned int nr_bytes = blk_rq_bytes(rq); unsigned int len; int ret; char *buf; struct page *page; - if (sdkp->device->sector_size == 4096) { - sector >>= 3; - nr_sectors >>= 3; - } - + sector >>= ilog2(sdp->sector_size) - 9; + nr_sectors >>= ilog2(sdp->sector_size) - 9; rq->timeout = SD_TIMEOUT; memset(rq->cmd, 0, rq->cmd_len); @@ -660,6 +703,7 @@ static int scsi_setup_discard_cmnd(struct scsi_device *sdp, struct request *rq) blk_add_request_payload(rq, page, len); ret = scsi_setup_blk_pc_cmnd(sdp, rq); rq->buffer = page_address(page); + rq->__data_len = nr_bytes; out: if (ret != BLKPREP_OK) { @@ -669,6 +713,83 @@ out: return ret; } +static void sd_config_write_same(struct scsi_disk *sdkp) +{ + struct request_queue *q = sdkp->disk->queue; + unsigned int logical_block_size = sdkp->device->sector_size; + unsigned int blocks = 0; + + if (sdkp->device->no_write_same) { + sdkp->max_ws_blocks = 0; + goto out; + } + + /* Some devices can not handle block counts above 0xffff despite + * supporting WRITE SAME(16). Consequently we default to 64k + * blocks per I/O unless the device explicitly advertises a + * bigger limit. + */ + if (sdkp->max_ws_blocks == 0) + sdkp->max_ws_blocks = SD_MAX_WS10_BLOCKS; + + if (sdkp->ws16 || sdkp->max_ws_blocks > SD_MAX_WS10_BLOCKS) + blocks = min_not_zero(sdkp->max_ws_blocks, + (u32)SD_MAX_WS16_BLOCKS); + else + blocks = min_not_zero(sdkp->max_ws_blocks, + (u32)SD_MAX_WS10_BLOCKS); + +out: + blk_queue_max_write_same_sectors(q, blocks * (logical_block_size >> 9)); +} + +/** + * sd_setup_write_same_cmnd - write the same data to multiple blocks + * @sdp: scsi device to operate one + * @rq: Request to prepare + * + * Will issue either WRITE SAME(10) or WRITE SAME(16) depending on + * preference indicated by target device. + **/ +static int sd_setup_write_same_cmnd(struct scsi_device *sdp, struct request *rq) +{ + struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); + struct bio *bio = rq->bio; + sector_t sector = blk_rq_pos(rq); + unsigned int nr_sectors = blk_rq_sectors(rq); + unsigned int nr_bytes = blk_rq_bytes(rq); + int ret; + + if (sdkp->device->no_write_same) + return BLKPREP_KILL; + + BUG_ON(bio_offset(bio) || bio_iovec(bio)->bv_len != sdp->sector_size); + + sector >>= ilog2(sdp->sector_size) - 9; + nr_sectors >>= ilog2(sdp->sector_size) - 9; + + rq->__data_len = sdp->sector_size; + rq->timeout = SD_WRITE_SAME_TIMEOUT; + memset(rq->cmd, 0, rq->cmd_len); + + if (sdkp->ws16 || sector > 0xffffffff || nr_sectors > 0xffff) { + rq->cmd_len = 16; + rq->cmd[0] = WRITE_SAME_16; + put_unaligned_be64(sector, &rq->cmd[2]); + put_unaligned_be32(nr_sectors, &rq->cmd[10]); + } else { + rq->cmd_len = 10; + rq->cmd[0] = WRITE_SAME; + put_unaligned_be32(sector, &rq->cmd[2]); + put_unaligned_be16(nr_sectors, &rq->cmd[7]); + } + + ret = scsi_setup_blk_pc_cmnd(sdp, rq); + rq->__data_len = nr_bytes; + + return ret; +} + static int scsi_setup_flush_cmnd(struct scsi_device *sdp, struct request *rq) { rq->timeout = SD_FLUSH_TIMEOUT; @@ -712,7 +833,10 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) * block PC requests to make life easier. */ if (rq->cmd_flags & REQ_DISCARD) { - ret = scsi_setup_discard_cmnd(sdp, rq); + ret = sd_setup_discard_cmnd(sdp, rq); + goto out; + } else if (rq->cmd_flags & REQ_WRITE_SAME) { + ret = sd_setup_write_same_cmnd(sdp, rq); goto out; } else if (rq->cmd_flags & REQ_FLUSH) { ret = scsi_setup_flush_cmnd(sdp, rq); @@ -1482,12 +1606,21 @@ static int sd_done(struct scsi_cmnd *SCpnt) unsigned int good_bytes = result ? 0 : scsi_bufflen(SCpnt); struct scsi_sense_hdr sshdr; struct scsi_disk *sdkp = scsi_disk(SCpnt->request->rq_disk); + struct request *req = SCpnt->request; int sense_valid = 0; int sense_deferred = 0; unsigned char op = SCpnt->cmnd[0]; + unsigned char unmap = SCpnt->cmnd[1] & 8; - if ((SCpnt->request->cmd_flags & REQ_DISCARD) && !result) - scsi_set_resid(SCpnt, 0); + if (req->cmd_flags & REQ_DISCARD || req->cmd_flags & REQ_WRITE_SAME) { + if (!result) { + good_bytes = blk_rq_bytes(req); + scsi_set_resid(SCpnt, 0); + } else { + good_bytes = 0; + scsi_set_resid(SCpnt, blk_rq_bytes(req)); + } + } if (result) { sense_valid = scsi_command_normalize_sense(SCpnt, &sshdr); @@ -1536,9 +1669,25 @@ static int sd_done(struct scsi_cmnd *SCpnt) if (sshdr.asc == 0x10) /* DIX: Host detected corruption */ good_bytes = sd_completed_bytes(SCpnt); /* INVALID COMMAND OPCODE or INVALID FIELD IN CDB */ - if ((sshdr.asc == 0x20 || sshdr.asc == 0x24) && - (op == UNMAP || op == WRITE_SAME_16 || op == WRITE_SAME)) - sd_config_discard(sdkp, SD_LBP_DISABLE); + if (sshdr.asc == 0x20 || sshdr.asc == 0x24) { + switch (op) { + case UNMAP: + sd_config_discard(sdkp, SD_LBP_DISABLE); + break; + case WRITE_SAME_16: + case WRITE_SAME: + if (unmap) + sd_config_discard(sdkp, SD_LBP_DISABLE); + else { + sdkp->device->no_write_same = 1; + sd_config_write_same(sdkp); + + good_bytes = 0; + req->__data_len = blk_rq_bytes(req); + req->cmd_flags |= REQ_QUIET; + } + } + } break; default: break; @@ -2374,9 +2523,7 @@ static void sd_read_block_limits(struct scsi_disk *sdkp) if (buffer[3] == 0x3c) { unsigned int lba_count, desc_count; - sdkp->max_ws_blocks = - (u32) min_not_zero(get_unaligned_be64(&buffer[36]), - (u64)0xffffffff); + sdkp->max_ws_blocks = (u32)get_unaligned_be64(&buffer[36]); if (!sdkp->lbpme) goto out; @@ -2469,6 +2616,13 @@ static void sd_read_block_provisioning(struct scsi_disk *sdkp) kfree(buffer); } +static void sd_read_write_same(struct scsi_disk *sdkp, unsigned char *buffer) +{ + if (scsi_report_opcode(sdkp->device, buffer, SD_BUF_SIZE, + WRITE_SAME_16)) + sdkp->ws16 = 1; +} + static int sd_try_extended_inquiry(struct scsi_device *sdp) { /* @@ -2528,6 +2682,7 @@ static int sd_revalidate_disk(struct gendisk *disk) sd_read_write_protect_flag(sdkp, buffer); sd_read_cache_type(sdkp, buffer); sd_read_app_tag_own(sdkp, buffer); + sd_read_write_same(sdkp, buffer); } sdkp->first_scan = 0; @@ -2545,6 +2700,7 @@ static int sd_revalidate_disk(struct gendisk *disk) blk_queue_flush(sdkp->disk->queue, flush); set_capacity(disk, sdkp->capacity); + sd_config_write_same(sdkp); kfree(buffer); out: diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 47c52a6..74a1e4c 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -14,6 +14,7 @@ #define SD_TIMEOUT (30 * HZ) #define SD_MOD_TIMEOUT (75 * HZ) #define SD_FLUSH_TIMEOUT (60 * HZ) +#define SD_WRITE_SAME_TIMEOUT (120 * HZ) /* * Number of allowed retries @@ -39,6 +40,11 @@ enum { }; enum { + SD_MAX_WS10_BLOCKS = 0xffff, + SD_MAX_WS16_BLOCKS = 0x7fffff, +}; + +enum { SD_LBP_FULL = 0, /* Full logical block provisioning */ SD_LBP_UNMAP, /* Use UNMAP command */ SD_LBP_WS16, /* Use WRITE SAME(16) with UNMAP bit */ @@ -77,6 +83,7 @@ struct scsi_disk { unsigned lbpws : 1; unsigned lbpws10 : 1; unsigned lbpvpd : 1; + unsigned ws16 : 1; }; #define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev) diff --git a/drivers/staging/android/android_alarm.h b/drivers/staging/android/android_alarm.h index f2ffd96..d0cafd6 100644 --- a/drivers/staging/android/android_alarm.h +++ b/drivers/staging/android/android_alarm.h @@ -51,12 +51,10 @@ enum android_alarm_return_flags { #define ANDROID_ALARM_WAIT _IO('a', 1) #define ALARM_IOW(c, type, size) _IOW('a', (c) | ((type) << 4), size) -#define ALARM_IOR(c, type, size) _IOR('a', (c) | ((type) << 4), size) - /* Set alarm */ #define ANDROID_ALARM_SET(type) ALARM_IOW(2, type, struct timespec) #define ANDROID_ALARM_SET_AND_WAIT(type) ALARM_IOW(3, type, struct timespec) -#define ANDROID_ALARM_GET_TIME(type) ALARM_IOR(4, type, struct timespec) +#define ANDROID_ALARM_GET_TIME(type) ALARM_IOW(4, type, struct timespec) #define ANDROID_ALARM_SET_RTC _IOW('a', 5, struct timespec) #define ANDROID_ALARM_BASE_CMD(cmd) (cmd & ~(_IOC(0, 0, 0xf0, 0))) #define ANDROID_ALARM_IOCTL_TO_TYPE(cmd) (_IOC_NR(cmd) >> 4) diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index a5dec1c..13ee53b 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -424,7 +424,6 @@ static void hvc_hangup(struct tty_struct *tty) { struct hvc_struct *hp = tty->driver_data; unsigned long flags; - int temp_open_count; if (!hp) return; @@ -444,7 +443,6 @@ static void hvc_hangup(struct tty_struct *tty) return; } - temp_open_count = hp->port.count; hp->port.count = 0; spin_unlock_irqrestore(&hp->port.lock, flags); tty_port_tty_set(&hp->port, NULL); @@ -453,11 +451,6 @@ static void hvc_hangup(struct tty_struct *tty) if (hp->ops->notifier_hangup) hp->ops->notifier_hangup(hp, hp->data); - - while(temp_open_count) { - --temp_open_count; - tty_port_put(&hp->port); - } } /* diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index 2bc28a5..1ab1d2c 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -1239,6 +1239,7 @@ static int __devexit max310x_remove(struct spi_device *spi) static const struct spi_device_id max310x_id_table[] = { { "max3107", MAX310X_TYPE_MAX3107 }, { "max3108", MAX310X_TYPE_MAX3108 }, + { } }; MODULE_DEVICE_TABLE(spi, max310x_id_table); diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 1e741bc..f034716 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2151,8 +2151,15 @@ EXPORT_SYMBOL_GPL(usb_bus_start_enum); irqreturn_t usb_hcd_irq (int irq, void *__hcd) { struct usb_hcd *hcd = __hcd; + unsigned long flags; irqreturn_t rc; + /* IRQF_DISABLED doesn't work correctly with shared IRQs + * when the first handler doesn't use it. So let's just + * assume it's never used. + */ + local_irq_save(flags); + if (unlikely(HCD_DEAD(hcd) || !HCD_HW_ACCESSIBLE(hcd))) rc = IRQ_NONE; else if (hcd->driver->irq(hcd) == IRQ_NONE) @@ -2160,6 +2167,7 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd) else rc = IRQ_HANDLED; + local_irq_restore(flags); return rc; } EXPORT_SYMBOL_GPL(usb_hcd_irq); @@ -2347,6 +2355,14 @@ static int usb_hcd_request_irqs(struct usb_hcd *hcd, int retval; if (hcd->driver->irq) { + + /* IRQF_DISABLED doesn't work as advertised when used together + * with IRQF_SHARED. As usb_hcd_irq() will always disable + * interrupts we can remove it here. + */ + if (irqflags & IRQF_SHARED) + irqflags &= ~IRQF_DISABLED; + snprintf(hcd->irq_descr, sizeof(hcd->irq_descr), "%s:usb%d", hcd->driver->description, hcd->self.busnum); retval = request_irq(irqnum, &usb_hcd_irq, irqflags, diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c index e426ad6..4bfa78a 100644 --- a/drivers/usb/early/ehci-dbgp.c +++ b/drivers/usb/early/ehci-dbgp.c @@ -20,6 +20,7 @@ #include <linux/usb/ehci_def.h> #include <linux/delay.h> #include <linux/serial_core.h> +#include <linux/kconfig.h> #include <linux/kgdb.h> #include <linux/kthread.h> #include <asm/io.h> @@ -614,12 +615,6 @@ err: return -ENODEV; } -int dbgp_external_startup(struct usb_hcd *hcd) -{ - return xen_dbgp_external_startup(hcd) ?: _dbgp_external_startup(); -} -EXPORT_SYMBOL_GPL(dbgp_external_startup); - static int ehci_reset_port(int port) { u32 portsc; @@ -979,6 +974,7 @@ struct console early_dbgp_console = { .index = -1, }; +#if IS_ENABLED(CONFIG_USB_EHCI_HCD) int dbgp_reset_prep(struct usb_hcd *hcd) { int ret = xen_dbgp_reset_prep(hcd); @@ -1007,6 +1003,13 @@ int dbgp_reset_prep(struct usb_hcd *hcd) } EXPORT_SYMBOL_GPL(dbgp_reset_prep); +int dbgp_external_startup(struct usb_hcd *hcd) +{ + return xen_dbgp_external_startup(hcd) ?: _dbgp_external_startup(); +} +EXPORT_SYMBOL_GPL(dbgp_external_startup); +#endif /* USB_EHCI_HCD */ + #ifdef CONFIG_KGDB static char kgdbdbgp_buf[DBGP_MAX_PACKET]; diff --git a/drivers/usb/host/ehci-ls1x.c b/drivers/usb/host/ehci-ls1x.c index ca75965..aa0f328 100644 --- a/drivers/usb/host/ehci-ls1x.c +++ b/drivers/usb/host/ehci-ls1x.c @@ -113,7 +113,7 @@ static int ehci_hcd_ls1x_probe(struct platform_device *pdev) goto err_put_hcd; } - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); + ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED); if (ret) goto err_put_hcd; diff --git a/drivers/usb/host/ohci-xls.c b/drivers/usb/host/ohci-xls.c index 84201cd..41e378f 100644 --- a/drivers/usb/host/ohci-xls.c +++ b/drivers/usb/host/ohci-xls.c @@ -56,7 +56,7 @@ static int ohci_xls_probe_internal(const struct hc_driver *driver, goto err3; } - retval = usb_add_hcd(hcd, irq, IRQF_SHARED); + retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED); if (retval != 0) goto err4; return retval; diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index d0b87e7..b6b84da 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -707,11 +707,12 @@ static void rxstate(struct musb *musb, struct musb_request *req) fifo_count = musb_readw(epio, MUSB_RXCOUNT); /* - * use mode 1 only if we expect data of at least ep packet_sz - * and have not yet received a short packet + * Enable Mode 1 on RX transfers only when short_not_ok flag + * is set. Currently short_not_ok flag is set only from + * file_storage and f_mass_storage drivers */ - if ((request->length - request->actual >= musb_ep->packet_sz) && - (fifo_count >= musb_ep->packet_sz)) + + if (request->short_not_ok && fifo_count == musb_ep->packet_sz) use_mode_1 = 1; else use_mode_1 = 0; @@ -727,6 +728,27 @@ static void rxstate(struct musb *musb, struct musb_request *req) c = musb->dma_controller; channel = musb_ep->dma; + /* We use DMA Req mode 0 in rx_csr, and DMA controller operates in + * mode 0 only. So we do not get endpoint interrupts due to DMA + * completion. We only get interrupts from DMA controller. + * + * We could operate in DMA mode 1 if we knew the size of the tranfer + * in advance. For mass storage class, request->length = what the host + * sends, so that'd work. But for pretty much everything else, + * request->length is routinely more than what the host sends. For + * most these gadgets, end of is signified either by a short packet, + * or filling the last byte of the buffer. (Sending extra data in + * that last pckate should trigger an overflow fault.) But in mode 1, + * we don't get DMA completion interrupt for short packets. + * + * Theoretically, we could enable DMAReq irq (MUSB_RXCSR_DMAMODE = 1), + * to get endpoint interrupt on every DMA req, but that didn't seem + * to work reliably. + * + * REVISIT an updated g_file_storage can set req->short_not_ok, which + * then becomes usable as a runtime "use mode 1" hint... + */ + /* Experimental: Mode1 works with mass storage use cases */ if (use_mode_1) { csr |= MUSB_RXCSR_AUTOCLEAR; diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index d62a91f..0e62f50 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -65,7 +65,7 @@ static int __devinit ux500_probe(struct platform_device *pdev) struct platform_device *musb; struct ux500_glue *glue; struct clk *clk; - + int musbid; int ret = -ENOMEM; glue = kzalloc(sizeof(*glue), GFP_KERNEL); diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig index d8c8a42..6223062 100644 --- a/drivers/usb/otg/Kconfig +++ b/drivers/usb/otg/Kconfig @@ -58,7 +58,7 @@ config USB_ULPI_VIEWPORT config TWL4030_USB tristate "TWL4030 USB Transceiver Driver" - depends on TWL4030_CORE && REGULATOR_TWL4030 + depends on TWL4030_CORE && REGULATOR_TWL4030 && USB_MUSB_OMAP2PLUS select USB_OTG_UTILS help Enable this to support the USB OTG transceiver on TWL4030 @@ -68,7 +68,7 @@ config TWL4030_USB config TWL6030_USB tristate "TWL6030 USB Transceiver Driver" - depends on TWL4030_CORE && OMAP_USB2 + depends on TWL4030_CORE && OMAP_USB2 && USB_MUSB_OMAP2PLUS select USB_OTG_UTILS help Enable this to support the USB OTG transceiver on TWL6030 diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 7179b0c..cff8dd5 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -2430,7 +2430,7 @@ static void keyspan_release(struct usb_serial *serial) static int keyspan_port_probe(struct usb_serial_port *port) { struct usb_serial *serial = port->serial; - struct keyspan_port_private *s_priv; + struct keyspan_serial_private *s_priv; struct keyspan_port_private *p_priv; const struct keyspan_device_details *d_details; struct callbacks *cback; @@ -2445,7 +2445,6 @@ static int keyspan_port_probe(struct usb_serial_port *port) if (!p_priv) return -ENOMEM; - s_priv = usb_get_serial_data(port->serial); p_priv->device_details = d_details; /* Setup values for the various callback routines */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 5dee7d6..edc64bb 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -158,6 +158,7 @@ static void option_instat_callback(struct urb *urb); #define NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED 0x8001 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED 0x9000 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED 0x9001 +#define NOVATELWIRELESS_PRODUCT_E362 0x9010 #define NOVATELWIRELESS_PRODUCT_G1 0xA001 #define NOVATELWIRELESS_PRODUCT_G1_M 0xA002 #define NOVATELWIRELESS_PRODUCT_G2 0xA010 @@ -193,6 +194,9 @@ static void option_instat_callback(struct urb *urb); #define DELL_PRODUCT_5730_MINICARD_TELUS 0x8181 #define DELL_PRODUCT_5730_MINICARD_VZW 0x8182 +#define DELL_PRODUCT_5800_MINICARD_VZW 0x8195 /* Novatel E362 */ +#define DELL_PRODUCT_5800_V2_MINICARD_VZW 0x8196 /* Novatel E362 */ + #define KYOCERA_VENDOR_ID 0x0c88 #define KYOCERA_PRODUCT_KPC650 0x17da #define KYOCERA_PRODUCT_KPC680 0x180a @@ -283,6 +287,7 @@ static void option_instat_callback(struct urb *urb); /* ALCATEL PRODUCTS */ #define ALCATEL_VENDOR_ID 0x1bbb #define ALCATEL_PRODUCT_X060S_X200 0x0000 +#define ALCATEL_PRODUCT_X220_X500D 0x0017 #define PIRELLI_VENDOR_ID 0x1266 #define PIRELLI_PRODUCT_C100_1 0x1002 @@ -706,6 +711,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_G2) }, /* Novatel Ovation MC551 a.k.a. Verizon USB551L */ { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) }, @@ -728,6 +734,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_SPRINT) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */ { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_TELUS) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */ { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */ + { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_MINICARD_VZW, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_V2_MINICARD_VZW, 0xff, 0xff, 0xff) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, /* ADU-E100, ADU-310 */ { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) }, @@ -1157,6 +1165,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200), .driver_info = (kernel_ulong_t)&alcatel_x200_blacklist }, + { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D) }, { USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) }, { USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14), diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index 61a73ad..a3e9c09 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -455,9 +455,6 @@ static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port, struct usb_serial *serial = port->serial; struct urb *urb; - if (endpoint == -1) - return NULL; /* endpoint not needed */ - urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ if (urb == NULL) { dev_dbg(&serial->interface->dev, @@ -489,6 +486,9 @@ int usb_wwan_port_probe(struct usb_serial_port *port) init_usb_anchor(&portdata->delayed); for (i = 0; i < N_IN_URB; i++) { + if (!port->bulk_in_size) + break; + buffer = (u8 *)__get_free_page(GFP_KERNEL); if (!buffer) goto bail_out_error; @@ -502,8 +502,8 @@ int usb_wwan_port_probe(struct usb_serial_port *port) } for (i = 0; i < N_OUT_URB; i++) { - if (port->bulk_out_endpointAddress == -1) - continue; + if (!port->bulk_out_size) + break; buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL); if (!buffer) diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index a3d5436..92f35ab 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -186,6 +186,12 @@ static int slave_configure(struct scsi_device *sdev) /* Some devices don't handle VPD pages correctly */ sdev->skip_vpd_pages = 1; + /* Do not attempt to use REPORT SUPPORTED OPERATION CODES */ + sdev->no_report_opcodes = 1; + + /* Do not attempt to use WRITE SAME */ + sdev->no_write_same = 1; + /* Some disks return the total number of blocks in response * to READ CAPACITY rather than the highest block number. * If this device makes that mistake, tell the sd driver. */ diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index d64ac38..bee9284 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -365,11 +365,20 @@ struct platform_device *dsi_get_dsidev_from_id(int module) struct omap_dss_output *out; enum omap_dss_output_id id; - id = module == 0 ? OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2; + switch (module) { + case 0: + id = OMAP_DSS_OUTPUT_DSI1; + break; + case 1: + id = OMAP_DSS_OUTPUT_DSI2; + break; + default: + return NULL; + } out = omap_dss_get_output(id); - return out->pdev; + return out ? out->pdev : NULL; } static inline void dsi_write_reg(struct platform_device *dsidev, diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index 2ab1c3e..5f6eea8 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -697,11 +697,15 @@ static int dss_get_clocks(void) dss.dss_clk = clk; - clk = clk_get(NULL, dss.feat->clk_name); - if (IS_ERR(clk)) { - DSSERR("Failed to get %s\n", dss.feat->clk_name); - r = PTR_ERR(clk); - goto err; + if (dss.feat->clk_name) { + clk = clk_get(NULL, dss.feat->clk_name); + if (IS_ERR(clk)) { + DSSERR("Failed to get %s\n", dss.feat->clk_name); + r = PTR_ERR(clk); + goto err; + } + } else { + clk = NULL; } dss.dpll4_m4_ck = clk; @@ -805,10 +809,10 @@ static int __init dss_init_features(struct device *dev) if (cpu_is_omap24xx()) src = &omap24xx_dss_feats; - else if (cpu_is_omap34xx()) - src = &omap34xx_dss_feats; else if (cpu_is_omap3630()) src = &omap3630_dss_feats; + else if (cpu_is_omap34xx()) + src = &omap34xx_dss_feats; else if (cpu_is_omap44xx()) src = &omap44xx_dss_feats; else if (soc_is_omap54xx()) diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index a48a7dd..8c9b8b3 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -644,8 +644,10 @@ static void hdmi_dump_regs(struct seq_file *s) { mutex_lock(&hdmi.lock); - if (hdmi_runtime_get()) + if (hdmi_runtime_get()) { + mutex_unlock(&hdmi.lock); return; + } hdmi.ip_data.ops->dump_wrapper(&hdmi.ip_data, s); hdmi.ip_data.ops->dump_pll(&hdmi.ip_data, s); diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c index 606b89f..d630b26 100644 --- a/drivers/video/omap2/omapfb/omapfb-ioctl.c +++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c @@ -787,7 +787,7 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg) case OMAPFB_WAITFORVSYNC: DBG("ioctl WAITFORVSYNC\n"); - if (!display && !display->output && !display->output->manager) { + if (!display || !display->output || !display->output->manager) { r = -EINVAL; break; } diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 8adb9cc..71f5c45 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -361,13 +361,13 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version) down_write(&mm->mmap_sem); vma = find_vma(mm, m.addr); - ret = -EINVAL; if (!vma || vma->vm_ops != &privcmd_vm_ops || (m.addr != vma->vm_start) || ((m.addr + (nr_pages << PAGE_SHIFT)) != vma->vm_end) || !privcmd_enforce_singleshot_mapping(vma)) { up_write(&mm->mmap_sem); + ret = -EINVAL; goto out; } @@ -383,12 +383,16 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version) up_write(&mm->mmap_sem); - if (state.global_error && (version == 1)) { - /* Write back errors in second pass. */ - state.user_mfn = (xen_pfn_t *)m.arr; - state.err = err_array; - ret = traverse_pages(m.num, sizeof(xen_pfn_t), - &pagelist, mmap_return_errors_v1, &state); + if (version == 1) { + if (state.global_error) { + /* Write back errors in second pass. */ + state.user_mfn = (xen_pfn_t *)m.arr; + state.err = err_array; + ret = traverse_pages(m.num, sizeof(xen_pfn_t), + &pagelist, mmap_return_errors_v1, &state); + } else + ret = 0; + } else if (version == 2) { ret = __copy_to_user(m.err, err_array, m.num * sizeof(int)); if (ret) |