diff options
Diffstat (limited to 'include')
30 files changed, 354 insertions, 109 deletions
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 0807ddf..f330d28 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -208,10 +208,6 @@ static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b) #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ #endif -#ifndef __HAVE_ARCH_PAGE_TEST_AND_CLEAR_YOUNG -#define page_test_and_clear_young(pfn) (0) -#endif - #ifndef __HAVE_ARCH_PGD_OFFSET_GATE #define pgd_offset_gate(mm, addr) pgd_offset(mm, addr) #endif diff --git a/include/linux/dcache.h b/include/linux/dcache.h index b90337c..9169b91 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -9,6 +9,7 @@ #include <linux/seqlock.h> #include <linux/cache.h> #include <linux/rcupdate.h> +#include <linux/lockref.h> struct nameidata; struct path; @@ -100,6 +101,8 @@ extern unsigned int full_name_hash(const unsigned char *, unsigned int); # endif #endif +#define d_lock d_lockref.lock + struct dentry { /* RCU lookup touched fields */ unsigned int d_flags; /* protected by d_lock */ @@ -112,8 +115,7 @@ struct dentry { unsigned char d_iname[DNAME_INLINE_LEN]; /* small names */ /* Ref lookup also touches following */ - unsigned int d_count; /* protected by d_lock */ - spinlock_t d_lock; /* per dentry lock */ + struct lockref d_lockref; /* per-dentry lock and refcount */ const struct dentry_operations *d_op; struct super_block *d_sb; /* The root of the dentry tree */ unsigned long d_time; /* used by d_revalidate */ @@ -302,31 +304,9 @@ extern struct dentry *__d_lookup(const struct dentry *, const struct qstr *); extern struct dentry *__d_lookup_rcu(const struct dentry *parent, const struct qstr *name, unsigned *seq); -/** - * __d_rcu_to_refcount - take a refcount on dentry if sequence check is ok - * @dentry: dentry to take a ref on - * @seq: seqcount to verify against - * Returns: 0 on failure, else 1. - * - * __d_rcu_to_refcount operates on a dentry,seq pair that was returned - * by __d_lookup_rcu, to get a reference on an rcu-walk dentry. - */ -static inline int __d_rcu_to_refcount(struct dentry *dentry, unsigned seq) -{ - int ret = 0; - - assert_spin_locked(&dentry->d_lock); - if (!read_seqcount_retry(&dentry->d_seq, seq)) { - ret = 1; - dentry->d_count++; - } - - return ret; -} - static inline unsigned d_count(const struct dentry *dentry) { - return dentry->d_count; + return dentry->d_lockref.count; } /* validate "insecure" dentry pointer */ @@ -336,6 +316,7 @@ extern int d_validate(struct dentry *, struct dentry *); * helper function for dentry_operations.d_dname() members */ extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); +extern char *simple_dname(struct dentry *, char *, int); extern char *__d_path(const struct path *, const struct path *, char *, int); extern char *d_absolute_path(const struct path *, char *, int); @@ -356,17 +337,14 @@ extern char *dentry_path(struct dentry *, char *, int); static inline struct dentry *dget_dlock(struct dentry *dentry) { if (dentry) - dentry->d_count++; + dentry->d_lockref.count++; return dentry; } static inline struct dentry *dget(struct dentry *dentry) { - if (dentry) { - spin_lock(&dentry->d_lock); - dget_dlock(dentry); - spin_unlock(&dentry->d_lock); - } + if (dentry) + lockref_get(&dentry->d_lockref); return dentry; } diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h index b99cd23..79640e0 100644 --- a/include/linux/inetdevice.h +++ b/include/linux/inetdevice.h @@ -5,45 +5,13 @@ #include <linux/bitmap.h> #include <linux/if.h> +#include <linux/ip.h> #include <linux/netdevice.h> #include <linux/rcupdate.h> #include <linux/timer.h> #include <linux/sysctl.h> #include <linux/rtnetlink.h> -enum -{ - IPV4_DEVCONF_FORWARDING=1, - IPV4_DEVCONF_MC_FORWARDING, - IPV4_DEVCONF_PROXY_ARP, - IPV4_DEVCONF_ACCEPT_REDIRECTS, - IPV4_DEVCONF_SECURE_REDIRECTS, - IPV4_DEVCONF_SEND_REDIRECTS, - IPV4_DEVCONF_SHARED_MEDIA, - IPV4_DEVCONF_RP_FILTER, - IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE, - IPV4_DEVCONF_BOOTP_RELAY, - IPV4_DEVCONF_LOG_MARTIANS, - IPV4_DEVCONF_TAG, - IPV4_DEVCONF_ARPFILTER, - IPV4_DEVCONF_MEDIUM_ID, - IPV4_DEVCONF_NOXFRM, - IPV4_DEVCONF_NOPOLICY, - IPV4_DEVCONF_FORCE_IGMP_VERSION, - IPV4_DEVCONF_ARP_ANNOUNCE, - IPV4_DEVCONF_ARP_IGNORE, - IPV4_DEVCONF_PROMOTE_SECONDARIES, - IPV4_DEVCONF_ARP_ACCEPT, - IPV4_DEVCONF_ARP_NOTIFY, - IPV4_DEVCONF_ACCEPT_LOCAL, - IPV4_DEVCONF_SRC_VMARK, - IPV4_DEVCONF_PROXY_ARP_PVLAN, - IPV4_DEVCONF_ROUTE_LOCALNET, - __IPV4_DEVCONF_MAX -}; - -#define IPV4_DEVCONF_MAX (__IPV4_DEVCONF_MAX - 1) - struct ipv4_devconf { void *sysctl; int data[IPV4_DEVCONF_MAX]; diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 850e95b..b8b7dc7 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -101,6 +101,7 @@ struct inet6_skb_parm { #define IP6SKB_FORWARDED 2 #define IP6SKB_REROUTED 4 #define IP6SKB_ROUTERALERT 8 +#define IP6SKB_FRAGMENTED 16 }; #define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb)) diff --git a/include/linux/lockref.h b/include/linux/lockref.h new file mode 100644 index 0000000..ca07b50 --- /dev/null +++ b/include/linux/lockref.h @@ -0,0 +1,36 @@ +#ifndef __LINUX_LOCKREF_H +#define __LINUX_LOCKREF_H + +/* + * Locked reference counts. + * + * These are different from just plain atomic refcounts in that they + * are atomic with respect to the spinlock that goes with them. In + * particular, there can be implementations that don't actually get + * the spinlock for the common decrement/increment operations, but they + * still have to check that the operation is done semantically as if + * the spinlock had been taken (using a cmpxchg operation that covers + * both the lock and the count word, or using memory transactions, for + * example). + */ + +#include <linux/spinlock.h> + +struct lockref { + union { +#ifdef CONFIG_CMPXCHG_LOCKREF + aligned_u64 lock_count; +#endif + struct { + spinlock_t lock; + unsigned int count; + }; + }; +}; + +extern void lockref_get(struct lockref *); +extern int lockref_get_not_zero(struct lockref *); +extern int lockref_get_or_lock(struct lockref *); +extern int lockref_put_or_lock(struct lockref *); + +#endif /* __LINUX_LOCKREF_H */ diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h index 1a8dd7a..c06d78a 100644 --- a/include/linux/mfd/palmas.h +++ b/include/linux/mfd/palmas.h @@ -160,7 +160,8 @@ enum palmas_regulators { PALMAS_REG_SMPS7, PALMAS_REG_SMPS8, PALMAS_REG_SMPS9, - PALMAS_REG_SMPS10, + PALMAS_REG_SMPS10_OUT2, + PALMAS_REG_SMPS10_OUT1, /* LDO regulators */ PALMAS_REG_LDO1, PALMAS_REG_LDO2, @@ -355,9 +356,9 @@ struct palmas_pmic { int smps123; int smps457; - int range[PALMAS_REG_SMPS10]; - unsigned int ramp_delay[PALMAS_REG_SMPS10]; - unsigned int current_reg_mode[PALMAS_REG_SMPS10]; + int range[PALMAS_REG_SMPS10_OUT1]; + unsigned int ramp_delay[PALMAS_REG_SMPS10_OUT1]; + unsigned int current_reg_mode[PALMAS_REG_SMPS10_OUT1]; }; struct palmas_resource { diff --git a/include/linux/mfd/samsung/s2mps11.h b/include/linux/mfd/samsung/s2mps11.h index 4e94dc6..d0d52ea 100644 --- a/include/linux/mfd/samsung/s2mps11.h +++ b/include/linux/mfd/samsung/s2mps11.h @@ -191,6 +191,17 @@ enum s2mps11_regulators { #define S2MPS11_BUCK_N_VOLTAGES (S2MPS11_BUCK_VSEL_MASK + 1) #define S2MPS11_RAMP_DELAY 25000 /* uV/us */ + +#define S2MPS11_BUCK2_RAMP_SHIFT 6 +#define S2MPS11_BUCK34_RAMP_SHIFT 4 +#define S2MPS11_BUCK5_RAMP_SHIFT 6 +#define S2MPS11_BUCK16_RAMP_SHIFT 4 +#define S2MPS11_BUCK7810_RAMP_SHIFT 2 +#define S2MPS11_BUCK9_RAMP_SHIFT 0 +#define S2MPS11_BUCK2_RAMP_EN_SHIFT 3 +#define S2MPS11_BUCK3_RAMP_EN_SHIFT 2 +#define S2MPS11_BUCK4_RAMP_EN_SHIFT 1 +#define S2MPS11_BUCK6_RAMP_EN_SHIFT 0 #define S2MPS11_PMIC_EN_SHIFT 6 #define S2MPS11_REGULATOR_MAX (S2MPS11_REG_MAX - 3) diff --git a/include/linux/mfd/tps65217.h b/include/linux/mfd/tps65217.h index 29eab2b..a5a7f01 100644 --- a/include/linux/mfd/tps65217.h +++ b/include/linux/mfd/tps65217.h @@ -244,24 +244,6 @@ struct tps65217_board { }; /** - * struct tps_info - packages regulator constraints - * @name: Voltage regulator name - * @min_uV: minimum micro volts - * @max_uV: minimum micro volts - * @vsel_to_uv: Function pointer to get voltage from selector - * @uv_to_vsel: Function pointer to get selector from voltage - * - * This data is used to check the regualtor voltage limits while setting. - */ -struct tps_info { - const char *name; - int min_uV; - int max_uV; - int (*vsel_to_uv)(unsigned int vsel); - int (*uv_to_vsel)(int uV, unsigned int *vsel); -}; - -/** * struct tps65217 - tps65217 sub-driver chip access routines * * Device data may be used to access the TPS65217 chip @@ -273,7 +255,6 @@ struct tps65217 { unsigned int id; struct regulator_desc desc[TPS65217_NUM_REGULATOR]; struct regulator_dev *rdev[TPS65217_NUM_REGULATOR]; - struct tps_info *info[TPS65217_NUM_REGULATOR]; struct regmap *regmap; }; diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index fb425aa..faf4b7c 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -332,6 +332,7 @@ struct mm_struct { unsigned long pgoff, unsigned long flags); #endif unsigned long mmap_base; /* base of mmap area */ + unsigned long mmap_legacy_base; /* base of mmap area in bottom-up allocations */ unsigned long task_size; /* size of task vm space */ unsigned long highest_vm_end; /* highest vma end address */ pgd_t * pgd; diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h index 10e5947..b4ec59d 100644 --- a/include/linux/nsproxy.h +++ b/include/linux/nsproxy.h @@ -14,6 +14,10 @@ struct fs_struct; * A structure to contain pointers to all per-process * namespaces - fs (mount), uts, network, sysvipc, etc. * + * The pid namespace is an exception -- it's accessed using + * task_active_pid_ns. The pid namespace here is the + * namespace that children will use. + * * 'count' is the number of tasks holding a reference. * The count for each namespace, then, will be the number * of nsproxies pointing to it, not the number of tasks. @@ -27,7 +31,7 @@ struct nsproxy { struct uts_namespace *uts_ns; struct ipc_namespace *ipc_ns; struct mnt_namespace *mnt_ns; - struct pid_namespace *pid_ns; + struct pid_namespace *pid_ns_for_children; struct net *net_ns; }; extern struct nsproxy init_nsproxy; diff --git a/include/linux/platform_data/efm32-spi.h b/include/linux/platform_data/efm32-spi.h new file mode 100644 index 0000000..31b19ca --- /dev/null +++ b/include/linux/platform_data/efm32-spi.h @@ -0,0 +1,14 @@ +#ifndef __LINUX_PLATFORM_DATA_EFM32_SPI_H__ +#define __LINUX_PLATFORM_DATA_EFM32_SPI_H__ + +#include <linux/types.h> + +/** + * struct efm32_spi_pdata + * @location: pinmux location for the I/O pins (to be written to the ROUTE + * register) + */ +struct efm32_spi_pdata { + u8 location; +}; +#endif /* ifndef __LINUX_PLATFORM_DATA_EFM32_SPI_H__ */ diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 580a532..a10380b 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -16,6 +16,7 @@ #include <linux/list.h> #include <linux/rbtree.h> #include <linux/err.h> +#include <linux/bug.h> struct module; struct device; @@ -471,6 +472,9 @@ struct regmap_irq { * @ack_base: Base ack address. If zero then the chip is clear on read. * @wake_base: Base address for wake enables. If zero unsupported. * @irq_reg_stride: Stride to use for chips where registers are not contiguous. + * @init_ack_masked: Ack all masked interrupts once during initalization. + * @mask_invert: Inverted mask register: cleared bits are masked out. + * @wake_invert: Inverted wake register: cleared bits are wake enabled. * @runtime_pm: Hold a runtime PM lock on the device when accessing it. * * @num_regs: Number of registers in each control bank. @@ -486,9 +490,10 @@ struct regmap_irq_chip { unsigned int ack_base; unsigned int wake_base; unsigned int irq_reg_stride; - unsigned int mask_invert; - unsigned int wake_invert; - bool runtime_pm; + bool init_ack_masked:1; + bool mask_invert:1; + bool wake_invert:1; + bool runtime_pm:1; int num_regs; diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 3a76389..27be915 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -137,6 +137,12 @@ struct regulator *__must_check devm_regulator_get(struct device *dev, const char *id); struct regulator *__must_check regulator_get_exclusive(struct device *dev, const char *id); +struct regulator *__must_check devm_regulator_get_exclusive(struct device *dev, + const char *id); +struct regulator *__must_check regulator_get_optional(struct device *dev, + const char *id); +struct regulator *__must_check devm_regulator_get_optional(struct device *dev, + const char *id); void regulator_put(struct regulator *regulator); void devm_regulator_put(struct regulator *regulator); @@ -217,6 +223,25 @@ devm_regulator_get(struct device *dev, const char *id) return NULL; } +static inline struct regulator *__must_check +regulator_get_exclusive(struct device *dev, const char *id) +{ + return NULL; +} + +static inline struct regulator *__must_check +regulator_get_optional(struct device *dev, const char *id) +{ + return NULL; +} + + +static inline struct regulator *__must_check +devm_regulator_get_optional(struct device *dev, const char *id) +{ + return NULL; +} + static inline void regulator_put(struct regulator *regulator) { } @@ -369,8 +394,11 @@ static inline int regulator_count_voltages(struct regulator *regulator) static inline int regulator_set_voltage_tol(struct regulator *regulator, int new_uV, int tol_uV) { - return regulator_set_voltage(regulator, - new_uV - tol_uV, new_uV + tol_uV); + if (regulator_set_voltage(regulator, new_uV, new_uV + tol_uV) == 0) + return 0; + else + return regulator_set_voltage(regulator, + new_uV - tol_uV, new_uV + tol_uV); } static inline int regulator_is_supported_voltage_tol(struct regulator *regulator, diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 6700cc9..67e13aa 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -40,6 +40,24 @@ enum regulator_status { }; /** + * Specify a range of voltages for regulator_map_linar_range() and + * regulator_list_linear_range(). + * + * @min_uV: Lowest voltage in range + * @max_uV: Highest voltage in range + * @min_sel: Lowest selector for range + * @max_sel: Highest selector for range + * @uV_step: Step size + */ +struct regulator_linear_range { + unsigned int min_uV; + unsigned int max_uV; + unsigned int min_sel; + unsigned int max_sel; + unsigned int uV_step; +}; + +/** * struct regulator_ops - regulator operations. * * @enable: Configure the regulator as enabled. @@ -223,6 +241,9 @@ struct regulator_desc { unsigned int linear_min_sel; unsigned int ramp_delay; + const struct regulator_linear_range *linear_ranges; + int n_linear_ranges; + const unsigned int *volt_table; unsigned int vsel_reg; @@ -326,10 +347,14 @@ int regulator_mode_to_status(unsigned int); int regulator_list_voltage_linear(struct regulator_dev *rdev, unsigned int selector); +int regulator_list_voltage_linear_range(struct regulator_dev *rdev, + unsigned int selector); int regulator_list_voltage_table(struct regulator_dev *rdev, unsigned int selector); int regulator_map_voltage_linear(struct regulator_dev *rdev, int min_uV, int max_uV); +int regulator_map_voltage_linear_range(struct regulator_dev *rdev, + int min_uV, int max_uV); int regulator_map_voltage_iterate(struct regulator_dev *rdev, int min_uV, int max_uV); int regulator_map_voltage_ascend(struct regulator_dev *rdev, diff --git a/include/linux/regulator/fan53555.h b/include/linux/regulator/fan53555.h index 5c45c85..f13880e 100644 --- a/include/linux/regulator/fan53555.h +++ b/include/linux/regulator/fan53555.h @@ -11,6 +11,7 @@ */ #ifndef __FAN53555_H__ +#define __FAN53555_H__ /* VSEL ID */ enum { diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 36adbc8..999b20c 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -134,6 +134,7 @@ struct regulation_constraints { unsigned always_on:1; /* regulator never off when system is on */ unsigned boot_on:1; /* bootloader/firmware enabled regulator */ unsigned apply_uV:1; /* apply uV constraint if min == max */ + unsigned ramp_disable:1; /* disable ramp delay */ }; /** diff --git a/include/linux/regulator/max8660.h b/include/linux/regulator/max8660.h index 9936763..f8a6a48 100644 --- a/include/linux/regulator/max8660.h +++ b/include/linux/regulator/max8660.h @@ -39,7 +39,7 @@ enum { */ struct max8660_subdev_data { int id; - char *name; + const char *name; struct regulator_init_data *platform_data; }; diff --git a/include/linux/regulator/pfuze100.h b/include/linux/regulator/pfuze100.h new file mode 100644 index 0000000..65d550b --- /dev/null +++ b/include/linux/regulator/pfuze100.h @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +#ifndef __LINUX_REG_PFUZE100_H +#define __LINUX_REG_PFUZE100_H + +#define PFUZE100_SW1AB 0 +#define PFUZE100_SW1C 1 +#define PFUZE100_SW2 2 +#define PFUZE100_SW3A 3 +#define PFUZE100_SW3B 4 +#define PFUZE100_SW4 5 +#define PFUZE100_SWBST 6 +#define PFUZE100_VSNVS 7 +#define PFUZE100_VREFDDR 8 +#define PFUZE100_VGEN1 9 +#define PFUZE100_VGEN2 10 +#define PFUZE100_VGEN3 11 +#define PFUZE100_VGEN4 12 +#define PFUZE100_VGEN5 13 +#define PFUZE100_VGEN6 14 +#define PFUZE100_MAX_REGULATOR 15 + +struct regulator_init_data; + +struct pfuze_regulator_platform_data { + struct regulator_init_data *init_data[PFUZE100_MAX_REGULATOR]; +}; + +#endif /* __LINUX_REG_PFUZE100_H */ diff --git a/include/linux/sched.h b/include/linux/sched.h index e9995eb..078066d 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -314,7 +314,6 @@ struct nsproxy; struct user_namespace; #ifdef CONFIG_MMU -extern unsigned long mmap_legacy_base(void); extern void arch_pick_mmap_layout(struct mm_struct *mm); extern unsigned long arch_get_unmapped_area(struct file *, unsigned long, unsigned long, diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 28e440b..887116d 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -74,7 +74,7 @@ struct spi_device { struct spi_master *master; u32 max_speed_hz; u8 chip_select; - u8 mode; + u16 mode; #define SPI_CPHA 0x01 /* clock phase */ #define SPI_CPOL 0x02 /* clock polarity */ #define SPI_MODE_0 (0|0) /* (original MicroWire) */ @@ -87,6 +87,10 @@ struct spi_device { #define SPI_LOOP 0x20 /* loopback mode */ #define SPI_NO_CS 0x40 /* 1 dev/bus, no chipselect */ #define SPI_READY 0x80 /* slave pulls low to pause */ +#define SPI_TX_DUAL 0x100 /* transmit with 2 wires */ +#define SPI_TX_QUAD 0x200 /* transmit with 4 wires */ +#define SPI_RX_DUAL 0x400 /* receive with 2 wires */ +#define SPI_RX_QUAD 0x800 /* receive with 4 wires */ u8 bits_per_word; int irq; void *controller_state; @@ -233,6 +237,8 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * suported. If set, the SPI core will reject any transfer with an * unsupported bits_per_word. If not set, this value is simply ignored, * and it's up to the individual driver to perform any validation. + * @min_speed_hz: Lowest supported transfer speed + * @max_speed_hz: Highest supported transfer speed * @flags: other constraints relevant to this driver * @bus_lock_spinlock: spinlock for SPI bus locking * @bus_lock_mutex: mutex for SPI bus locking @@ -254,6 +260,9 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * @busy: message pump is busy * @running: message pump is running * @rt: whether this queue is set to run as a realtime task + * @auto_runtime_pm: the core should ensure a runtime PM reference is held + * while the hardware is prepared, using the parent + * device for the spidev * @prepare_transfer_hardware: a message will soon arrive from the queue * so the subsystem requests the driver to prepare the transfer hardware * by issuing this call @@ -309,9 +318,13 @@ struct spi_master { /* bitmask of supported bits_per_word for transfers */ u32 bits_per_word_mask; #define SPI_BPW_MASK(bits) BIT((bits) - 1) -#define SPI_BIT_MASK(bits) (((bits) == 32) ? ~0UL : (BIT(bits) - 1)) +#define SPI_BIT_MASK(bits) (((bits) == 32) ? ~0U : (BIT(bits) - 1)) #define SPI_BPW_RANGE_MASK(min, max) (SPI_BIT_MASK(max) - SPI_BIT_MASK(min - 1)) + /* limits on transfer speed */ + u32 min_speed_hz; + u32 max_speed_hz; + /* other constraints relevant to this driver */ u16 flags; #define SPI_MASTER_HALF_DUPLEX BIT(0) /* can't do full duplex */ @@ -374,11 +387,13 @@ struct spi_master { bool busy; bool running; bool rt; + bool auto_runtime_pm; int (*prepare_transfer_hardware)(struct spi_master *master); int (*transfer_one_message)(struct spi_master *master, struct spi_message *mesg); int (*unprepare_transfer_hardware)(struct spi_master *master); + /* gpio chip select */ int *cs_gpios; }; @@ -448,6 +463,10 @@ extern struct spi_master *spi_busnum_to_master(u16 busnum); * @rx_buf: data to be read (dma-safe memory), or NULL * @tx_dma: DMA address of tx_buf, if @spi_message.is_dma_mapped * @rx_dma: DMA address of rx_buf, if @spi_message.is_dma_mapped + * @tx_nbits: number of bits used for writting. If 0 the default + * (SPI_NBITS_SINGLE) is used. + * @rx_nbits: number of bits used for reading. If 0 the default + * (SPI_NBITS_SINGLE) is used. * @len: size of rx and tx buffers (in bytes) * @speed_hz: Select a speed other than the device default for this * transfer. If 0 the default (from @spi_device) is used. @@ -502,6 +521,11 @@ extern struct spi_master *spi_busnum_to_master(u16 busnum); * by the results of previous messages and where the whole transaction * ends when the chipselect goes intactive. * + * When SPI can transfer in 1x,2x or 4x. It can get this tranfer information + * from device through @tx_nbits and @rx_nbits. In Bi-direction, these + * two should both be set. User can set transfer mode with SPI_NBITS_SINGLE(1x) + * SPI_NBITS_DUAL(2x) and SPI_NBITS_QUAD(4x) to support these three transfer. + * * The code that submits an spi_message (and its spi_transfers) * to the lower layers is responsible for managing its memory. * Zero-initialize every field you don't set up explicitly, to @@ -522,6 +546,11 @@ struct spi_transfer { dma_addr_t rx_dma; unsigned cs_change:1; + u8 tx_nbits; + u8 rx_nbits; +#define SPI_NBITS_SINGLE 0x01 /* 1bit transfer */ +#define SPI_NBITS_DUAL 0x02 /* 2bits transfer */ +#define SPI_NBITS_QUAD 0x04 /* 4bits transfer */ u8 bits_per_word; u16 delay_usecs; u32 speed_hz; @@ -578,6 +607,7 @@ struct spi_message { /* completion is reported through a callback */ void (*complete)(void *context); void *context; + unsigned frame_length; unsigned actual_length; int status; @@ -869,7 +899,7 @@ struct spi_board_info { /* mode becomes spi_device.mode, and is essential for chips * where the default of SPI_CS_HIGH = 0 is wrong. */ - u8 mode; + u16 mode; /* ... may need additional spi_device chip config data here. * avoid stuff protocol drivers can set; but include stuff diff --git a/include/linux/spi/spi_bitbang.h b/include/linux/spi/spi_bitbang.h index f987a2b..daebaba 100644 --- a/include/linux/spi/spi_bitbang.h +++ b/include/linux/spi/spi_bitbang.h @@ -4,11 +4,7 @@ #include <linux/workqueue.h> struct spi_bitbang { - struct workqueue_struct *workqueue; - struct work_struct work; - spinlock_t lock; - struct list_head queue; u8 busy; u8 use_dma; u8 flags; /* extra spi->mode support */ @@ -41,7 +37,6 @@ struct spi_bitbang { */ extern int spi_bitbang_setup(struct spi_device *spi); extern void spi_bitbang_cleanup(struct spi_device *spi); -extern int spi_bitbang_transfer(struct spi_device *spi, struct spi_message *m); extern int spi_bitbang_setup_transfer(struct spi_device *spi, struct spi_transfer *t); diff --git a/include/linux/wait.h b/include/linux/wait.h index f487a47..a67fc16 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -811,6 +811,63 @@ do { \ __ret; \ }) +#define __wait_event_interruptible_lock_irq_timeout(wq, condition, \ + lock, ret) \ +do { \ + DEFINE_WAIT(__wait); \ + \ + for (;;) { \ + prepare_to_wait(&wq, &__wait, TASK_INTERRUPTIBLE); \ + if (condition) \ + break; \ + if (signal_pending(current)) { \ + ret = -ERESTARTSYS; \ + break; \ + } \ + spin_unlock_irq(&lock); \ + ret = schedule_timeout(ret); \ + spin_lock_irq(&lock); \ + if (!ret) \ + break; \ + } \ + finish_wait(&wq, &__wait); \ +} while (0) + +/** + * wait_event_interruptible_lock_irq_timeout - sleep until a condition gets true or a timeout elapses. + * The condition is checked under the lock. This is expected + * to be called with the lock taken. + * @wq: the waitqueue to wait on + * @condition: a C expression for the event to wait for + * @lock: a locked spinlock_t, which will be released before schedule() + * and reacquired afterwards. + * @timeout: timeout, in jiffies + * + * The process is put to sleep (TASK_INTERRUPTIBLE) until the + * @condition evaluates to true or signal is received. The @condition is + * checked each time the waitqueue @wq is woken up. + * + * wake_up() has to be called after changing any variable that could + * change the result of the wait condition. + * + * This is supposed to be called while holding the lock. The lock is + * dropped before going to sleep and is reacquired afterwards. + * + * The function returns 0 if the @timeout elapsed, -ERESTARTSYS if it + * was interrupted by a signal, and the remaining jiffies otherwise + * if the condition evaluated to true before the timeout elapsed. + */ +#define wait_event_interruptible_lock_irq_timeout(wq, condition, lock, \ + timeout) \ +({ \ + int __ret = timeout; \ + \ + if (!(condition)) \ + __wait_event_interruptible_lock_irq_timeout( \ + wq, condition, lock, __ret); \ + __ret; \ +}) + /* * These are the old interfaces to sleep waiting for an event. diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h index 8a358a2..829627d 100644 --- a/include/net/busy_poll.h +++ b/include/net/busy_poll.h @@ -123,6 +123,7 @@ static inline bool sk_busy_loop(struct sock *sk, int nonblock) /* local bh are disabled so it is ok to use _BH */ NET_ADD_STATS_BH(sock_net(sk), LINUX_MIB_BUSYPOLLRXPACKETS, rc); + cpu_relax(); } while (!nonblock && skb_queue_empty(&sk->sk_receive_queue) && !need_resched() && !busy_loop_timeout(end_time)); diff --git a/include/net/genetlink.h b/include/net/genetlink.h index 93024a4..8e0b6c8 100644 --- a/include/net/genetlink.h +++ b/include/net/genetlink.h @@ -61,6 +61,7 @@ struct genl_family { struct list_head ops_list; /* private */ struct list_head family_list; /* private */ struct list_head mcast_groups; /* private */ + struct module *module; }; /** @@ -121,9 +122,24 @@ struct genl_ops { struct list_head ops_list; }; -extern int genl_register_family(struct genl_family *family); -extern int genl_register_family_with_ops(struct genl_family *family, +extern int __genl_register_family(struct genl_family *family); + +static inline int genl_register_family(struct genl_family *family) +{ + family->module = THIS_MODULE; + return __genl_register_family(family); +} + +extern int __genl_register_family_with_ops(struct genl_family *family, struct genl_ops *ops, size_t n_ops); + +static inline int genl_register_family_with_ops(struct genl_family *family, + struct genl_ops *ops, size_t n_ops) +{ + family->module = THIS_MODULE; + return __genl_register_family_with_ops(family, ops, n_ops); +} + extern int genl_unregister_family(struct genl_family *family); extern int genl_register_ops(struct genl_family *, struct genl_ops *ops); extern int genl_unregister_ops(struct genl_family *, struct genl_ops *ops); diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index 260f83f..f6672482 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -135,6 +135,8 @@ extern void ip6_update_pmtu(struct sk_buff *skb, struct net *net, __be32 mtu, extern void ip6_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, __be32 mtu); extern void ip6_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark); +extern void ip6_redirect_no_header(struct sk_buff *skb, struct net *net, int oif, + u32 mark); extern void ip6_sk_redirect(struct sk_buff *skb, struct sock *sk); struct netlink_callback; diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 5b7a3da..551ba6a 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -1499,6 +1499,7 @@ enum ieee80211_hw_flags { IEEE80211_HW_SUPPORTS_RC_TABLE = 1<<24, IEEE80211_HW_P2P_DEV_ADDR_FOR_INTF = 1<<25, IEEE80211_HW_TIMING_BEACON_ONLY = 1<<26, + IEEE80211_HW_SUPPORTS_HT_CCK_RATES = 1<<27, }; /** diff --git a/include/net/route.h b/include/net/route.h index 2ea40c1..afdeeb5 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -317,4 +317,12 @@ static inline int ip4_dst_hoplimit(const struct dst_entry *dst) return hoplimit; } +static inline int ip_skb_dst_mtu(struct sk_buff *skb) +{ + struct inet_sock *inet = skb->sk ? inet_sk(skb->sk) : NULL; + + return (inet && inet->pmtudisc == IP_PMTUDISC_PROBE) ? + skb_dst(skb)->dev->mtu : dst_mtu(skb_dst(skb)); +} + #endif /* _ROUTE_H */ diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 94ce082..e823786 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -341,10 +341,13 @@ struct xfrm_state_afinfo { struct sk_buff *skb); int (*transport_finish)(struct sk_buff *skb, int async); + void (*local_error)(struct sk_buff *skb, u32 mtu); }; extern int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo); extern int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo); +extern struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family); +extern void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo); extern void xfrm_state_delete_tunnel(struct xfrm_state *x); @@ -1477,6 +1480,7 @@ extern int xfrm_input_resume(struct sk_buff *skb, int nexthdr); extern int xfrm_output_resume(struct sk_buff *skb, int err); extern int xfrm_output(struct sk_buff *skb); extern int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb); +extern void xfrm_local_error(struct sk_buff *skb, int mtu); extern int xfrm4_extract_header(struct sk_buff *skb); extern int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb); extern int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi, @@ -1497,6 +1501,7 @@ extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short fam extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family); extern int xfrm4_mode_tunnel_input_register(struct xfrm_tunnel *handler); extern int xfrm4_mode_tunnel_input_deregister(struct xfrm_tunnel *handler); +extern void xfrm4_local_error(struct sk_buff *skb, u32 mtu); extern int xfrm6_extract_header(struct sk_buff *skb); extern int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb); extern int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi); @@ -1514,6 +1519,7 @@ extern int xfrm6_output(struct sk_buff *skb); extern int xfrm6_output_finish(struct sk_buff *skb); extern int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb, u8 **prevhdr); +extern void xfrm6_local_error(struct sk_buff *skb, u32 mtu); #ifdef CONFIG_XFRM extern int xfrm4_udp_encap_rcv(struct sock *sk, struct sk_buff *skb); diff --git a/include/uapi/linux/cm4000_cs.h b/include/uapi/linux/cm4000_cs.h index bc51f77..1217f75 100644 --- a/include/uapi/linux/cm4000_cs.h +++ b/include/uapi/linux/cm4000_cs.h @@ -2,6 +2,7 @@ #define _UAPI_CM4000_H_ #include <linux/types.h> +#include <linux/ioctl.h> #define MAX_ATR 33 diff --git a/include/uapi/linux/ip.h b/include/uapi/linux/ip.h index 6cf06bf..2fee45b 100644 --- a/include/uapi/linux/ip.h +++ b/include/uapi/linux/ip.h @@ -133,4 +133,38 @@ struct ip_beet_phdr { __u8 reserved; }; +/* index values for the variables in ipv4_devconf */ +enum +{ + IPV4_DEVCONF_FORWARDING=1, + IPV4_DEVCONF_MC_FORWARDING, + IPV4_DEVCONF_PROXY_ARP, + IPV4_DEVCONF_ACCEPT_REDIRECTS, + IPV4_DEVCONF_SECURE_REDIRECTS, + IPV4_DEVCONF_SEND_REDIRECTS, + IPV4_DEVCONF_SHARED_MEDIA, + IPV4_DEVCONF_RP_FILTER, + IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE, + IPV4_DEVCONF_BOOTP_RELAY, + IPV4_DEVCONF_LOG_MARTIANS, + IPV4_DEVCONF_TAG, + IPV4_DEVCONF_ARPFILTER, + IPV4_DEVCONF_MEDIUM_ID, + IPV4_DEVCONF_NOXFRM, + IPV4_DEVCONF_NOPOLICY, + IPV4_DEVCONF_FORCE_IGMP_VERSION, + IPV4_DEVCONF_ARP_ANNOUNCE, + IPV4_DEVCONF_ARP_IGNORE, + IPV4_DEVCONF_PROMOTE_SECONDARIES, + IPV4_DEVCONF_ARP_ACCEPT, + IPV4_DEVCONF_ARP_NOTIFY, + IPV4_DEVCONF_ACCEPT_LOCAL, + IPV4_DEVCONF_SRC_VMARK, + IPV4_DEVCONF_PROXY_ARP_PVLAN, + IPV4_DEVCONF_ROUTE_LOCALNET, + __IPV4_DEVCONF_MAX +}; + +#define IPV4_DEVCONF_MAX (__IPV4_DEVCONF_MAX - 1) + #endif /* _UAPI_LINUX_IP_H */ |