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-rw-r--r--drivers/acpi/acpica/evgpe.c19
-rw-r--r--drivers/acpi/acpica/exprep.c17
-rw-r--r--drivers/acpi/battery.c6
-rw-r--r--drivers/acpi/dock.c7
-rw-r--r--drivers/acpi/ec.c35
-rw-r--r--drivers/acpi/numa.c6
-rw-r--r--drivers/acpi/osl.c23
-rw-r--r--drivers/acpi/scan.c12
-rw-r--r--drivers/acpi/video.c67
9 files changed, 106 insertions, 86 deletions
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index 837de66..78c5550 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -117,19 +117,14 @@ acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
if (ACPI_FAILURE(status))
return_ACPI_STATUS(status);
- /* Mark wake-enabled or HW enable, or both */
-
- if (gpe_event_info->runtime_count) {
- /* Clear the GPE (of stale events), then enable it */
- status = acpi_hw_clear_gpe(gpe_event_info);
- if (ACPI_FAILURE(status))
- return_ACPI_STATUS(status);
-
- /* Enable the requested runtime GPE */
- status = acpi_hw_write_gpe_enable_reg(gpe_event_info);
- }
+ /* Clear the GPE (of stale events), then enable it */
+ status = acpi_hw_clear_gpe(gpe_event_info);
+ if (ACPI_FAILURE(status))
+ return_ACPI_STATUS(status);
- return_ACPI_STATUS(AE_OK);
+ /* Enable the requested GPE */
+ status = acpi_hw_write_gpe_enable_reg(gpe_event_info);
+ return_ACPI_STATUS(status);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index edf62bf..2fbfe51 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -468,6 +468,23 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
acpi_ut_add_reference(obj_desc->field.region_obj);
+ /* allow full data read from EC address space */
+ if (obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_EC) {
+ if (obj_desc->common_field.bit_length > 8) {
+ unsigned width =
+ ACPI_ROUND_BITS_UP_TO_BYTES(
+ obj_desc->common_field.bit_length);
+ // access_bit_width is u8, don't overflow it
+ if (width > 8)
+ width = 8;
+ obj_desc->common_field.access_byte_width =
+ width;
+ obj_desc->common_field.access_bit_width =
+ 8 * width;
+ }
+ }
+
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"RegionField: BitOff %X, Off %X, Gran %X, Region %p\n",
obj_desc->field.start_field_bit_offset,
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 5717bd3..3026e3f 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -568,13 +568,13 @@ static int acpi_battery_update(struct acpi_battery *battery)
result = acpi_battery_get_status(battery);
if (result)
return result;
-#ifdef CONFIG_ACPI_SYSFS_POWER
if (!acpi_battery_present(battery)) {
+#ifdef CONFIG_ACPI_SYSFS_POWER
sysfs_remove_battery(battery);
+#endif
battery->update_time = 0;
return 0;
}
-#endif
if (!battery->update_time ||
old_present != acpi_battery_present(battery)) {
result = acpi_battery_get_info(battery);
@@ -880,7 +880,7 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event)
#ifdef CONFIG_ACPI_SYSFS_POWER
/* acpi_battery_update could remove power_supply object */
if (battery->bat.dev)
- kobject_uevent(&battery->bat.dev->kobj, KOBJ_CHANGE);
+ power_supply_changed(&battery->bat);
#endif
}
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index a9c429c..3fe29e9 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -1026,13 +1026,10 @@ static int dock_remove(struct dock_station *ds)
static acpi_status
find_dock(acpi_handle handle, u32 lvl, void *context, void **rv)
{
- acpi_status status = AE_OK;
-
if (is_dock(handle))
- if (dock_add(handle) >= 0)
- status = AE_CTRL_TERMINATE;
+ dock_add(handle);
- return status;
+ return AE_OK;
}
static acpi_status
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 35ba254..f2234db 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -629,12 +629,12 @@ static u32 acpi_ec_gpe_handler(void *data)
static acpi_status
acpi_ec_space_handler(u32 function, acpi_physical_address address,
- u32 bits, u64 *value,
+ u32 bits, u64 *value64,
void *handler_context, void *region_context)
{
struct acpi_ec *ec = handler_context;
- int result = 0, i;
- u8 temp = 0;
+ int result = 0, i, bytes = bits / 8;
+ u8 *value = (u8 *)value64;
if ((address > 0xFF) || !value || !handler_context)
return AE_BAD_PARAMETER;
@@ -642,32 +642,15 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address,
if (function != ACPI_READ && function != ACPI_WRITE)
return AE_BAD_PARAMETER;
- if (bits != 8 && acpi_strict)
- return AE_BAD_PARAMETER;
-
- if (EC_FLAGS_MSI)
+ if (EC_FLAGS_MSI || bits > 8)
acpi_ec_burst_enable(ec);
- if (function == ACPI_READ) {
- result = acpi_ec_read(ec, address, &temp);
- *value = temp;
- } else {
- temp = 0xff & (*value);
- result = acpi_ec_write(ec, address, temp);
- }
-
- for (i = 8; unlikely(bits - i > 0); i += 8) {
- ++address;
- if (function == ACPI_READ) {
- result = acpi_ec_read(ec, address, &temp);
- (*value) |= ((u64)temp) << i;
- } else {
- temp = 0xff & ((*value) >> i);
- result = acpi_ec_write(ec, address, temp);
- }
- }
+ for (i = 0; i < bytes; ++i, ++address, ++value)
+ result = (function == ACPI_READ) ?
+ acpi_ec_read(ec, address, value) :
+ acpi_ec_write(ec, address, *value);
- if (EC_FLAGS_MSI)
+ if (EC_FLAGS_MSI || bits > 8)
acpi_ec_burst_disable(ec);
switch (result) {
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index b872546..b0337d3 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -61,8 +61,10 @@ int node_to_pxm(int node)
void __acpi_map_pxm_to_node(int pxm, int node)
{
- pxm_to_node_map[pxm] = node;
- node_to_pxm_map[node] = pxm;
+ if (pxm_to_node_map[pxm] == NUMA_NO_NODE || node < pxm_to_node_map[pxm])
+ pxm_to_node_map[pxm] = node;
+ if (node_to_pxm_map[node] == PXM_INVAL || pxm < node_to_pxm_map[node])
+ node_to_pxm_map[node] = pxm;
}
int acpi_map_pxm_to_node(int pxm)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 8e6d866..7594f65 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -758,7 +758,14 @@ static acpi_status __acpi_os_execute(acpi_execute_type type,
queue = hp ? kacpi_hotplug_wq :
(type == OSL_NOTIFY_HANDLER ? kacpi_notify_wq : kacpid_wq);
dpc->wait = hp ? 1 : 0;
- INIT_WORK(&dpc->work, acpi_os_execute_deferred);
+
+ if (queue == kacpi_hotplug_wq)
+ INIT_WORK(&dpc->work, acpi_os_execute_deferred);
+ else if (queue == kacpi_notify_wq)
+ INIT_WORK(&dpc->work, acpi_os_execute_deferred);
+ else
+ INIT_WORK(&dpc->work, acpi_os_execute_deferred);
+
ret = queue_work(queue, &dpc->work);
if (!ret) {
@@ -1151,16 +1158,10 @@ int acpi_check_resource_conflict(const struct resource *res)
if (clash) {
if (acpi_enforce_resources != ENFORCE_RESOURCES_NO) {
- printk("%sACPI: %s resource %s [0x%llx-0x%llx]"
- " conflicts with ACPI region %s"
- " [0x%llx-0x%llx]\n",
- acpi_enforce_resources == ENFORCE_RESOURCES_LAX
- ? KERN_WARNING : KERN_ERR,
- ioport ? "I/O" : "Memory", res->name,
- (long long) res->start, (long long) res->end,
- res_list_elem->name,
- (long long) res_list_elem->start,
- (long long) res_list_elem->end);
+ printk(KERN_WARNING "ACPI: resource %s %pR"
+ " conflicts with ACPI region %s %pR\n",
+ res->name, res, res_list_elem->name,
+ res_list_elem);
if (acpi_enforce_resources == ENFORCE_RESOURCES_LAX)
printk(KERN_NOTICE "ACPI: This conflict may"
" cause random problems and system"
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 0261b11..0338f51 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1081,12 +1081,6 @@ static void acpi_device_set_id(struct acpi_device *device)
if (ACPI_IS_ROOT_DEVICE(device)) {
acpi_add_id(device, ACPI_SYSTEM_HID);
break;
- } else if (ACPI_IS_ROOT_DEVICE(device->parent)) {
- /* \_SB_, the only root-level namespace device */
- acpi_add_id(device, ACPI_BUS_HID);
- strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME);
- strcpy(device->pnp.device_class, ACPI_BUS_CLASS);
- break;
}
status = acpi_get_object_info(device->handle, &info);
@@ -1121,6 +1115,12 @@ static void acpi_device_set_id(struct acpi_device *device)
acpi_add_id(device, ACPI_DOCK_HID);
else if (!acpi_ibm_smbus_match(device))
acpi_add_id(device, ACPI_SMBUS_IBM_HID);
+ else if (!acpi_device_hid(device) &&
+ ACPI_IS_ROOT_DEVICE(device->parent)) {
+ acpi_add_id(device, ACPI_BUS_HID); /* \_SB, LNXSYBUS */
+ strcpy(device->pnp.device_name, ACPI_BUS_DEVICE_NAME);
+ strcpy(device->pnp.device_class, ACPI_BUS_CLASS);
+ }
break;
case ACPI_BUS_TYPE_POWER:
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 6a01437..a0c93b3 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -44,6 +44,7 @@
#include <linux/dmi.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
+#include <linux/suspend.h>
#define PREFIX "ACPI: "
@@ -89,7 +90,6 @@ module_param(allow_duplicates, bool, 0644);
static int register_count = 0;
static int acpi_video_bus_add(struct acpi_device *device);
static int acpi_video_bus_remove(struct acpi_device *device, int type);
-static int acpi_video_resume(struct acpi_device *device);
static void acpi_video_bus_notify(struct acpi_device *device, u32 event);
static const struct acpi_device_id video_device_ids[] = {
@@ -105,7 +105,6 @@ static struct acpi_driver acpi_video_bus = {
.ops = {
.add = acpi_video_bus_add,
.remove = acpi_video_bus_remove,
- .resume = acpi_video_resume,
.notify = acpi_video_bus_notify,
},
};
@@ -160,6 +159,7 @@ struct acpi_video_bus {
struct proc_dir_entry *dir;
struct input_dev *input;
char phys[32]; /* for input device */
+ struct notifier_block pm_nb;
};
struct acpi_video_device_flags {
@@ -1021,6 +1021,13 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
if (IS_ERR(device->backlight))
return;
+ /*
+ * Save current brightness level in case we have to restore it
+ * before acpi_video_device_lcd_set_level() is called next time.
+ */
+ device->backlight->props.brightness =
+ acpi_video_get_brightness(device->backlight);
+
result = sysfs_create_link(&device->backlight->dev.kobj,
&device->dev->dev.kobj, "device");
if (result)
@@ -2123,7 +2130,7 @@ static void acpi_video_bus_notify(struct acpi_device *device, u32 event)
{
struct acpi_video_bus *video = acpi_driver_data(device);
struct input_dev *input;
- int keycode;
+ int keycode = 0;
if (!video)
return;
@@ -2159,17 +2166,19 @@ static void acpi_video_bus_notify(struct acpi_device *device, u32 event)
break;
default:
- keycode = KEY_UNKNOWN;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));
break;
}
acpi_notifier_call_chain(device, event, 0);
- input_report_key(input, keycode, 1);
- input_sync(input);
- input_report_key(input, keycode, 0);
- input_sync(input);
+
+ if (keycode) {
+ input_report_key(input, keycode, 1);
+ input_sync(input);
+ input_report_key(input, keycode, 0);
+ input_sync(input);
+ }
return;
}
@@ -2180,7 +2189,7 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
struct acpi_device *device = NULL;
struct acpi_video_bus *bus;
struct input_dev *input;
- int keycode;
+ int keycode = 0;
if (!video_device)
return;
@@ -2221,39 +2230,48 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
keycode = KEY_DISPLAY_OFF;
break;
default:
- keycode = KEY_UNKNOWN;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));
break;
}
acpi_notifier_call_chain(device, event, 0);
- input_report_key(input, keycode, 1);
- input_sync(input);
- input_report_key(input, keycode, 0);
- input_sync(input);
+
+ if (keycode) {
+ input_report_key(input, keycode, 1);
+ input_sync(input);
+ input_report_key(input, keycode, 0);
+ input_sync(input);
+ }
return;
}
-static int instance;
-static int acpi_video_resume(struct acpi_device *device)
+static int acpi_video_resume(struct notifier_block *nb,
+ unsigned long val, void *ign)
{
struct acpi_video_bus *video;
struct acpi_video_device *video_device;
int i;
- if (!device || !acpi_driver_data(device))
- return -EINVAL;
+ switch (val) {
+ case PM_HIBERNATION_PREPARE:
+ case PM_SUSPEND_PREPARE:
+ case PM_RESTORE_PREPARE:
+ return NOTIFY_DONE;
+ }
- video = acpi_driver_data(device);
+ video = container_of(nb, struct acpi_video_bus, pm_nb);
+
+ dev_info(&video->device->dev, "Restoring backlight state\n");
for (i = 0; i < video->attached_count; i++) {
video_device = video->attached_array[i].bind_info;
if (video_device && video_device->backlight)
acpi_video_set_brightness(video_device->backlight);
}
- return AE_OK;
+
+ return NOTIFY_OK;
}
static acpi_status
@@ -2277,6 +2295,8 @@ acpi_video_bus_match(acpi_handle handle, u32 level, void *context,
return AE_OK;
}
+static int instance;
+
static int acpi_video_bus_add(struct acpi_device *device)
{
struct acpi_video_bus *video;
@@ -2358,7 +2378,6 @@ static int acpi_video_bus_add(struct acpi_device *device)
set_bit(KEY_BRIGHTNESSDOWN, input->keybit);
set_bit(KEY_BRIGHTNESS_ZERO, input->keybit);
set_bit(KEY_DISPLAY_OFF, input->keybit);
- set_bit(KEY_UNKNOWN, input->keybit);
error = input_register_device(input);
if (error)
@@ -2370,6 +2389,10 @@ static int acpi_video_bus_add(struct acpi_device *device)
video->flags.rom ? "yes" : "no",
video->flags.post ? "yes" : "no");
+ video->pm_nb.notifier_call = acpi_video_resume;
+ video->pm_nb.priority = 0;
+ register_pm_notifier(&video->pm_nb);
+
return 0;
err_free_input_dev:
@@ -2396,6 +2419,8 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type)
video = acpi_driver_data(device);
+ unregister_pm_notifier(&video->pm_nb);
+
acpi_video_bus_stop_devices(video);
acpi_video_bus_put_devices(video);
acpi_video_bus_remove_fs(device);
generated by cgit v0.10.2 at 2024-11-02 00:18:23 (GMT)