diff options
Diffstat (limited to 'include/linux')
182 files changed, 2676 insertions, 1088 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 7a8f2cd66c8b..358c01b971db 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -37,6 +37,7 @@ #include <linux/list.h> #include <linux/mod_devicetable.h> +#include <linux/dynamic_debug.h> #include <acpi/acpi.h> #include <acpi/acpi_bus.h> @@ -184,6 +185,8 @@ extern int ec_transaction(u8 command, u8 *rdata, unsigned rdata_len); extern acpi_handle ec_get_handle(void); +extern bool acpi_is_pnp_device(struct acpi_device *); + #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) typedef void (*wmi_notify_handler) (u32 value, void *context); @@ -554,14 +557,20 @@ static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } int acpi_dev_suspend_late(struct device *dev); int acpi_dev_resume_early(struct device *dev); int acpi_subsys_prepare(struct device *dev); +void acpi_subsys_complete(struct device *dev); int acpi_subsys_suspend_late(struct device *dev); int acpi_subsys_resume_early(struct device *dev); +int acpi_subsys_suspend(struct device *dev); +int acpi_subsys_freeze(struct device *dev); #else static inline int acpi_dev_suspend_late(struct device *dev) { return 0; } static inline int acpi_dev_resume_early(struct device *dev) { return 0; } static inline int acpi_subsys_prepare(struct device *dev) { return 0; } +static inline void acpi_subsys_complete(struct device *dev) {} static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } +static inline int acpi_subsys_suspend(struct device *dev) { return 0; } +static inline int acpi_subsys_freeze(struct device *dev) { return 0; } #endif #if defined(CONFIG_ACPI) && defined(CONFIG_PM) @@ -589,6 +598,14 @@ static inline __printf(3, 4) void acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} #endif /* !CONFIG_ACPI */ +#if defined(CONFIG_ACPI) && defined(CONFIG_DYNAMIC_DEBUG) +__printf(3, 4) +void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const char *fmt, ...); +#else +#define __acpi_handle_debug(descriptor, handle, fmt, ...) \ + acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); +#endif + /* * acpi_handle_<level>: Print message with ACPI prefix and object path * @@ -610,11 +627,19 @@ acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} #define acpi_handle_info(handle, fmt, ...) \ acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) -/* REVISIT: Support CONFIG_DYNAMIC_DEBUG when necessary */ -#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) +#if defined(DEBUG) #define acpi_handle_debug(handle, fmt, ...) \ acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) #else +#if defined(CONFIG_DYNAMIC_DEBUG) +#define acpi_handle_debug(handle, fmt, ...) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \ + ##__VA_ARGS__); \ +} while (0) +#else #define acpi_handle_debug(handle, fmt, ...) \ ({ \ if (0) \ @@ -622,5 +647,6 @@ acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} 0; \ }) #endif +#endif #endif /*_LINUX_ACPI_H*/ diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h index 63b5eff0a80f..fdd7e1b61f60 100644 --- a/include/linux/amba/bus.h +++ b/include/linux/amba/bus.h @@ -47,6 +47,7 @@ struct amba_driver { enum amba_vendor { AMBA_VENDOR_ARM = 0x41, AMBA_VENDOR_ST = 0x80, + AMBA_VENDOR_QCOM = 0x51, }; extern struct bus_type amba_bustype; diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h index 32a89cf5ec45..8c98113069ce 100644 --- a/include/linux/amba/mmci.h +++ b/include/linux/amba/mmci.h @@ -6,28 +6,9 @@ #include <linux/mmc/host.h> - -/* - * These defines is places here due to access is needed from machine - * configuration files. The ST Micro version does not have ROD and - * reuse the voltage registers for direction settings. - */ -#define MCI_ST_DATA2DIREN (1 << 2) -#define MCI_ST_CMDDIREN (1 << 3) -#define MCI_ST_DATA0DIREN (1 << 4) -#define MCI_ST_DATA31DIREN (1 << 5) -#define MCI_ST_FBCLKEN (1 << 7) -#define MCI_ST_DATA74DIREN (1 << 8) - -/* Just some dummy forwarding */ -struct dma_chan; - /** * struct mmci_platform_data - platform configuration for the MMCI * (also known as PL180) block. - * @f_max: the maximum operational frequency for this host in this - * platform configuration. When this is specified it takes precedence - * over the module parameter for the same frequency. * @ocr_mask: available voltages on the 4 pins from the block, this * is ignored if a regulator is used, see the MMC_VDD_* masks in * mmc/host.h @@ -42,37 +23,14 @@ struct dma_chan; * @gpio_wp: read this GPIO pin to see if the card is write protected * @gpio_cd: read this GPIO pin to detect card insertion * @cd_invert: true if the gpio_cd pin value is active low - * @capabilities: the capabilities of the block as implemented in - * this platform, signify anything MMC_CAP_* from mmc/host.h - * @capabilities2: more capabilities, MMC_CAP2_* from mmc/host.h - * @sigdir: a bit field indicating for what bits in the MMC bus the host - * should enable signal direction indication. - * @dma_filter: function used to select an appropriate RX and TX - * DMA channel to be used for DMA, if and only if you're deploying the - * generic DMA engine - * @dma_rx_param: parameter passed to the DMA allocation - * filter in order to select an appropriate RX channel. If - * there is a bidirectional RX+TX channel, then just specify - * this and leave dma_tx_param set to NULL - * @dma_tx_param: parameter passed to the DMA allocation - * filter in order to select an appropriate TX channel. If this - * is NULL the driver will attempt to use the RX channel as a - * bidirectional channel */ struct mmci_platform_data { - unsigned int f_max; unsigned int ocr_mask; int (*ios_handler)(struct device *, struct mmc_ios *); unsigned int (*status)(struct device *); int gpio_wp; int gpio_cd; bool cd_invert; - unsigned long capabilities; - unsigned long capabilities2; - u32 sigdir; - bool (*dma_filter)(struct dma_chan *chan, void *filter_param); - void *dma_rx_param; - void *dma_tx_param; }; #endif diff --git a/include/linux/atomic.h b/include/linux/atomic.h index 5b08a8540ecf..fef3a809e7cf 100644 --- a/include/linux/atomic.h +++ b/include/linux/atomic.h @@ -3,6 +3,42 @@ #define _LINUX_ATOMIC_H #include <asm/atomic.h> +/* + * Provide __deprecated wrappers for the new interface, avoid flag day changes. + * We need the ugly external functions to break header recursion hell. + */ +#ifndef smp_mb__before_atomic_inc +static inline void __deprecated smp_mb__before_atomic_inc(void) +{ + extern void __smp_mb__before_atomic(void); + __smp_mb__before_atomic(); +} +#endif + +#ifndef smp_mb__after_atomic_inc +static inline void __deprecated smp_mb__after_atomic_inc(void) +{ + extern void __smp_mb__after_atomic(void); + __smp_mb__after_atomic(); +} +#endif + +#ifndef smp_mb__before_atomic_dec +static inline void __deprecated smp_mb__before_atomic_dec(void) +{ + extern void __smp_mb__before_atomic(void); + __smp_mb__before_atomic(); +} +#endif + +#ifndef smp_mb__after_atomic_dec +static inline void __deprecated smp_mb__after_atomic_dec(void) +{ + extern void __smp_mb__after_atomic(void); + __smp_mb__after_atomic(); +} +#endif + /** * atomic_add_unless - add unless the number is already a given value * @v: pointer of type atomic_t diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 72647429adf6..adb14a8616df 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -40,6 +40,11 @@ enum backlight_type { BACKLIGHT_TYPE_MAX, }; +enum backlight_notification { + BACKLIGHT_REGISTERED, + BACKLIGHT_UNREGISTERED, +}; + struct backlight_device; struct fb_info; @@ -133,6 +138,8 @@ extern void devm_backlight_device_unregister(struct device *dev, extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); extern bool backlight_device_registered(enum backlight_type type); +extern int backlight_register_notifier(struct notifier_block *nb); +extern int backlight_unregister_notifier(struct notifier_block *nb); #define to_backlight_device(obj) container_of(obj, struct backlight_device, dev) diff --git a/include/linux/bio.h b/include/linux/bio.h index bba550826921..5a645769f020 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -333,7 +333,7 @@ static inline struct bio *bio_next_split(struct bio *bio, int sectors, extern struct bio_set *bioset_create(unsigned int, unsigned int); extern void bioset_free(struct bio_set *); -extern mempool_t *biovec_create_pool(struct bio_set *bs, int pool_entries); +extern mempool_t *biovec_create_pool(int pool_entries); extern struct bio *bio_alloc_bioset(gfp_t, int, struct bio_set *); extern void bio_put(struct bio *); diff --git a/include/linux/bitops.h b/include/linux/bitops.h index be5fd38bd5a0..cbc5833fb221 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -32,6 +32,26 @@ extern unsigned long __sw_hweight64(__u64 w); */ #include <asm/bitops.h> +/* + * Provide __deprecated wrappers for the new interface, avoid flag day changes. + * We need the ugly external functions to break header recursion hell. + */ +#ifndef smp_mb__before_clear_bit +static inline void __deprecated smp_mb__before_clear_bit(void) +{ + extern void __smp_mb__before_atomic(void); + __smp_mb__before_atomic(); +} +#endif + +#ifndef smp_mb__after_clear_bit +static inline void __deprecated smp_mb__after_clear_bit(void) +{ + extern void __smp_mb__after_atomic(void); + __smp_mb__after_atomic(); +} +#endif + #define for_each_set_bit(bit, addr, size) \ for ((bit) = find_first_bit((addr), (size)); \ (bit) < (size); \ diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 0120451545d8..0feedebfde48 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -8,7 +8,13 @@ struct blk_mq_tags; struct blk_mq_cpu_notifier { struct list_head list; void *data; - void (*notify)(void *data, unsigned long action, unsigned int cpu); + int (*notify)(void *data, unsigned long action, unsigned int cpu); +}; + +struct blk_mq_ctxmap { + unsigned int map_size; + unsigned int bits_per_word; + struct blk_align_bitmap *map; }; struct blk_mq_hw_ctx { @@ -18,7 +24,11 @@ struct blk_mq_hw_ctx { } ____cacheline_aligned_in_smp; unsigned long state; /* BLK_MQ_S_* flags */ - struct delayed_work delayed_work; + struct delayed_work run_work; + struct delayed_work delay_work; + cpumask_var_t cpumask; + int next_cpu; + int next_cpu_batch; unsigned long flags; /* BLK_MQ_F_* flags */ @@ -27,13 +37,13 @@ struct blk_mq_hw_ctx { void *driver_data; + struct blk_mq_ctxmap ctx_map; + unsigned int nr_ctx; struct blk_mq_ctx **ctxs; - unsigned int nr_ctx_map; - unsigned long *ctx_map; - struct request **rqs; - struct list_head page_list; + unsigned int wait_index; + struct blk_mq_tags *tags; unsigned long queued; @@ -41,31 +51,40 @@ struct blk_mq_hw_ctx { #define BLK_MQ_MAX_DISPATCH_ORDER 10 unsigned long dispatched[BLK_MQ_MAX_DISPATCH_ORDER]; - unsigned int queue_depth; unsigned int numa_node; unsigned int cmd_size; /* per-request extra data */ + atomic_t nr_active; + struct blk_mq_cpu_notifier cpu_notifier; struct kobject kobj; }; -struct blk_mq_reg { +struct blk_mq_tag_set { struct blk_mq_ops *ops; unsigned int nr_hw_queues; - unsigned int queue_depth; + unsigned int queue_depth; /* max hw supported */ unsigned int reserved_tags; unsigned int cmd_size; /* per-request extra data */ int numa_node; unsigned int timeout; unsigned int flags; /* BLK_MQ_F_* */ + void *driver_data; + + struct blk_mq_tags **tags; + + struct mutex tag_list_lock; + struct list_head tag_list; }; typedef int (queue_rq_fn)(struct blk_mq_hw_ctx *, struct request *); typedef struct blk_mq_hw_ctx *(map_queue_fn)(struct request_queue *, const int); -typedef struct blk_mq_hw_ctx *(alloc_hctx_fn)(struct blk_mq_reg *,unsigned int); -typedef void (free_hctx_fn)(struct blk_mq_hw_ctx *, unsigned int); typedef int (init_hctx_fn)(struct blk_mq_hw_ctx *, void *, unsigned int); typedef void (exit_hctx_fn)(struct blk_mq_hw_ctx *, unsigned int); +typedef int (init_request_fn)(void *, struct request *, unsigned int, + unsigned int, unsigned int); +typedef void (exit_request_fn)(void *, struct request *, unsigned int, + unsigned int); struct blk_mq_ops { /* @@ -86,18 +105,20 @@ struct blk_mq_ops { softirq_done_fn *complete; /* - * Override for hctx allocations (should probably go) - */ - alloc_hctx_fn *alloc_hctx; - free_hctx_fn *free_hctx; - - /* * Called when the block layer side of a hardware queue has been * set up, allowing the driver to allocate/init matching structures. * Ditto for exit/teardown. */ init_hctx_fn *init_hctx; exit_hctx_fn *exit_hctx; + + /* + * Called for every command allocated by the block layer to allow + * the driver to set up driver specific data. + * Ditto for exit/teardown. + */ + init_request_fn *init_request; + exit_request_fn *exit_request; }; enum { @@ -107,18 +128,24 @@ enum { BLK_MQ_F_SHOULD_MERGE = 1 << 0, BLK_MQ_F_SHOULD_SORT = 1 << 1, - BLK_MQ_F_SHOULD_IPI = 1 << 2, + BLK_MQ_F_TAG_SHARED = 1 << 2, + BLK_MQ_F_SG_MERGE = 1 << 3, + BLK_MQ_F_SYSFS_UP = 1 << 4, BLK_MQ_S_STOPPED = 0, + BLK_MQ_S_TAG_ACTIVE = 1, BLK_MQ_MAX_DEPTH = 2048, + + BLK_MQ_CPU_WORK_BATCH = 8, }; -struct request_queue *blk_mq_init_queue(struct blk_mq_reg *, void *); +struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *); int blk_mq_register_disk(struct gendisk *); void blk_mq_unregister_disk(struct gendisk *); -int blk_mq_init_commands(struct request_queue *, int (*init)(void *data, struct blk_mq_hw_ctx *, struct request *, unsigned int), void *data); -void blk_mq_free_commands(struct request_queue *, void (*free)(void *data, struct blk_mq_hw_ctx *, struct request *, unsigned int), void *data); + +int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set); +void blk_mq_free_tag_set(struct blk_mq_tag_set *set); void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule); @@ -126,28 +153,28 @@ void blk_mq_insert_request(struct request *, bool, bool, bool); void blk_mq_run_queues(struct request_queue *q, bool async); void blk_mq_free_request(struct request *rq); bool blk_mq_can_queue(struct blk_mq_hw_ctx *); -struct request *blk_mq_alloc_request(struct request_queue *q, int rw, gfp_t gfp); -struct request *blk_mq_alloc_reserved_request(struct request_queue *q, int rw, gfp_t gfp); -struct request *blk_mq_rq_from_tag(struct request_queue *q, unsigned int tag); +struct request *blk_mq_alloc_request(struct request_queue *q, int rw, + gfp_t gfp, bool reserved); +struct request *blk_mq_tag_to_rq(struct blk_mq_tags *tags, unsigned int tag); struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *, const int ctx_index); -struct blk_mq_hw_ctx *blk_mq_alloc_single_hw_queue(struct blk_mq_reg *, unsigned int); -void blk_mq_free_single_hw_queue(struct blk_mq_hw_ctx *, unsigned int); +struct blk_mq_hw_ctx *blk_mq_alloc_single_hw_queue(struct blk_mq_tag_set *, unsigned int, int); -bool blk_mq_end_io_partial(struct request *rq, int error, - unsigned int nr_bytes); -static inline void blk_mq_end_io(struct request *rq, int error) -{ - bool done = !blk_mq_end_io_partial(rq, error, blk_rq_bytes(rq)); - BUG_ON(!done); -} +void blk_mq_end_io(struct request *rq, int error); +void __blk_mq_end_io(struct request *rq, int error); +void blk_mq_requeue_request(struct request *rq); +void blk_mq_add_to_requeue_list(struct request *rq, bool at_head); +void blk_mq_kick_requeue_list(struct request_queue *q); void blk_mq_complete_request(struct request *rq); void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx); void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx); void blk_mq_stop_hw_queues(struct request_queue *q); -void blk_mq_start_stopped_hw_queues(struct request_queue *q); +void blk_mq_start_hw_queues(struct request_queue *q); +void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async); +void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs); +void blk_mq_tag_busy_iter(struct blk_mq_tags *tags, void (*fn)(void *data, unsigned long *), void *data); /* * Driver command data is immediately after the request. So subtract request @@ -162,12 +189,6 @@ static inline void *blk_mq_rq_to_pdu(struct request *rq) return (void *) rq + sizeof(*rq); } -static inline struct request *blk_mq_tag_to_rq(struct blk_mq_hw_ctx *hctx, - unsigned int tag) -{ - return hctx->rqs[tag]; -} - #define queue_for_each_hw_ctx(q, hctx, i) \ for ((i) = 0; (i) < (q)->nr_hw_queues && \ ({ hctx = (q)->queue_hw_ctx[i]; 1; }); (i)++) diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index aa0eaa2d0bd8..d8e4cea23a25 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -190,6 +190,7 @@ enum rq_flag_bits { __REQ_PM, /* runtime pm request */ __REQ_END, /* last of chain of requests */ __REQ_HASHED, /* on IO scheduler merge hash */ + __REQ_MQ_INFLIGHT, /* track inflight for MQ */ __REQ_NR_BITS, /* stops here */ }; @@ -243,5 +244,6 @@ enum rq_flag_bits { #define REQ_PM (1ULL << __REQ_PM) #define REQ_END (1ULL << __REQ_END) #define REQ_HASHED (1ULL << __REQ_HASHED) +#define REQ_MQ_INFLIGHT (1ULL << __REQ_MQ_INFLIGHT) #endif /* __LINUX_BLK_TYPES_H */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 0d84981ee03f..3cd426e971db 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -90,15 +90,15 @@ enum rq_cmd_type_bits { #define BLK_MAX_CDB 16 /* - * try to put the fields that are referenced together in the same cacheline. - * if you modify this structure, be sure to check block/blk-core.c:blk_rq_init() - * as well! + * Try to put the fields that are referenced together in the same cacheline. + * + * If you modify this structure, make sure to update blk_rq_init() and + * especially blk_mq_rq_ctx_init() to take care of the added fields. */ struct request { struct list_head queuelist; union { struct call_single_data csd; - struct work_struct mq_flush_work; unsigned long fifo_time; }; @@ -178,7 +178,6 @@ struct request { unsigned short ioprio; void *special; /* opaque pointer available for LLD use */ - char *buffer; /* kaddr of the current segment if available */ int tag; int errors; @@ -336,7 +335,7 @@ struct request_queue { unsigned int *mq_map; /* sw queues */ - struct blk_mq_ctx *queue_ctx; + struct blk_mq_ctx __percpu *queue_ctx; unsigned int nr_queues; /* hw dispatch queues */ @@ -463,6 +462,10 @@ struct request_queue { struct request *flush_rq; spinlock_t mq_flush_lock; + struct list_head requeue_list; + spinlock_t requeue_lock; + struct work_struct requeue_work; + struct mutex sysfs_lock; int bypass_depth; @@ -481,6 +484,9 @@ struct request_queue { wait_queue_head_t mq_freeze_wq; struct percpu_counter mq_usage_counter; struct list_head all_q_node; + + struct blk_mq_tag_set *tag_set; + struct list_head tag_set_list; }; #define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */ @@ -504,6 +510,7 @@ struct request_queue { #define QUEUE_FLAG_SAME_FORCE 18 /* force complete on same CPU */ #define QUEUE_FLAG_DEAD 19 /* queue tear-down finished */ #define QUEUE_FLAG_INIT_DONE 20 /* queue is initialized */ +#define QUEUE_FLAG_NO_SG_MERGE 21 /* don't attempt to merge SG segments*/ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_STACKABLE) | \ @@ -613,6 +620,15 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q) #define rq_data_dir(rq) (((rq)->cmd_flags & 1) != 0) +/* + * Driver can handle struct request, if it either has an old style + * request_fn defined, or is blk-mq based. + */ +static inline bool queue_is_rq_based(struct request_queue *q) +{ + return q->request_fn || q->mq_ops; +} + static inline unsigned int blk_queue_cluster(struct request_queue *q) { return q->limits.cluster; @@ -937,6 +953,7 @@ extern struct request *blk_fetch_request(struct request_queue *q); */ extern bool blk_update_request(struct request *rq, int error, unsigned int nr_bytes); +extern void blk_finish_request(struct request *rq, int error); extern bool blk_end_request(struct request *rq, int error, unsigned int nr_bytes); extern void blk_end_request_all(struct request *rq, int error); @@ -1053,7 +1070,6 @@ static inline void blk_post_runtime_resume(struct request_queue *q, int err) {} * schedule() where blk_schedule_flush_plug() is called. */ struct blk_plug { - unsigned long magic; /* detect uninitialized use-cases */ struct list_head list; /* requests */ struct list_head mq_list; /* blk-mq requests */ struct list_head cb_list; /* md requires an unplug callback */ @@ -1102,7 +1118,8 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk) /* * tag stuff */ -#define blk_rq_tagged(rq) ((rq)->cmd_flags & REQ_QUEUED) +#define blk_rq_tagged(rq) \ + ((rq)->mq_ctx || ((rq)->cmd_flags & REQ_QUEUED)) extern int blk_queue_start_tag(struct request_queue *, struct request *); extern struct request *blk_queue_find_tag(struct request_queue *, int); extern void blk_queue_end_tag(struct request_queue *, struct request *); @@ -1370,8 +1387,9 @@ static inline void put_dev_sector(Sector p) } struct work_struct; -int kblockd_schedule_work(struct request_queue *q, struct work_struct *work); -int kblockd_schedule_delayed_work(struct request_queue *q, struct delayed_work *dwork, unsigned long delay); +int kblockd_schedule_work(struct work_struct *work); +int kblockd_schedule_delayed_work(struct delayed_work *dwork, unsigned long delay); +int kblockd_schedule_delayed_work_on(int cpu, struct delayed_work *dwork, unsigned long delay); #ifdef CONFIG_BLK_CGROUP /* @@ -1570,6 +1588,7 @@ static inline bool blk_integrity_is_initialized(struct gendisk *g) struct block_device_operations { int (*open) (struct block_device *, fmode_t); void (*release) (struct gendisk *, fmode_t); + int (*rw_page)(struct block_device *, sector_t, struct page *, int rw); int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); int (*direct_access) (struct block_device *, sector_t, @@ -1588,7 +1607,13 @@ struct block_device_operations { extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int, unsigned long); +extern int bdev_read_page(struct block_device *, sector_t, struct page *); +extern int bdev_write_page(struct block_device *, sector_t, struct page *, + struct writeback_control *); #else /* CONFIG_BLOCK */ + +struct block_device; + /* * stubs for when the block layer is configured out */ @@ -1624,6 +1649,12 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk) return false; } +static inline int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, + sector_t *error_sector) +{ + return 0; +} + #endif /* CONFIG_BLOCK */ #endif diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index db51fe4fe317..4e2bd4c95b66 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -58,9 +58,9 @@ extern void free_bootmem_late(unsigned long physaddr, unsigned long size); * Flags for reserve_bootmem (also if CONFIG_HAVE_ARCH_BOOTMEM_NODE, * the architecture-specific code should honor this). * - * If flags is 0, then the return value is always 0 (success). If - * flags contains BOOTMEM_EXCLUSIVE, then -EBUSY is returned if the - * memory already was reserved. + * If flags is BOOTMEM_DEFAULT, then the return value is always 0 (success). + * If flags contains BOOTMEM_EXCLUSIVE, then -EBUSY is returned if the memory + * already was reserved. */ #define BOOTMEM_DEFAULT 0 #define BOOTMEM_EXCLUSIVE (1<<0) diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index c40302f909ce..324329ceea1e 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -207,8 +207,6 @@ void block_invalidatepage(struct page *page, unsigned int offset, unsigned int length); int block_write_full_page(struct page *page, get_block_t *get_block, struct writeback_control *wbc); -int block_write_full_page_endio(struct page *page, get_block_t *get_block, - struct writeback_control *wbc, bh_end_io_t *handler); int block_read_full_page(struct page*, get_block_t*); int block_is_partially_uptodate(struct page *page, unsigned long from, unsigned long count); @@ -278,7 +276,7 @@ static inline void get_bh(struct buffer_head *bh) static inline void put_bh(struct buffer_head *bh) { - smp_mb__before_atomic_dec(); + smp_mb__before_atomic(); atomic_dec(&bh->b_count); } diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index c2515851c1aa..d60904b9e505 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -473,6 +473,7 @@ struct cftype { }; extern struct cgroup_root cgrp_dfl_root; +extern struct css_set init_css_set; static inline bool cgroup_on_dfl(const struct cgroup *cgrp) { @@ -700,6 +701,20 @@ static inline struct cgroup_subsys_state *task_css(struct task_struct *task, return task_css_check(task, subsys_id, false); } +/** + * task_css_is_root - test whether a task belongs to the root css + * @task: the target task + * @subsys_id: the target subsystem ID + * + * Test whether @task belongs to the root css on the specified subsystem. + * May be invoked in any context. + */ +static inline bool task_css_is_root(struct task_struct *task, int subsys_id) +{ + return task_css_check(task, subsys_id, true) == + init_css_set.subsys[subsys_id]; +} + static inline struct cgroup *task_cgroup(struct task_struct *task, int subsys_id) { diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 511917416fb0..f295bab1865d 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -413,6 +413,37 @@ struct clk *clk_register_fixed_factor(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned int mult, unsigned int div); +/** + * struct clk_fractional_divider - adjustable fractional divider clock + * + * @hw: handle between common and hardware-specific interfaces + * @reg: register containing the divider + * @mshift: shift to the numerator bit field + * @mwidth: width of the numerator bit field + * @nshift: shift to the denominator bit field + * @nwidth: width of the denominator bit field + * @lock: register lock + * + * Clock with adjustable fractional divider affecting its output frequency. + */ + +struct clk_fractional_divider { + struct clk_hw hw; + void __iomem *reg; + u8 mshift; + u32 mmask; + u8 nshift; + u32 nmask; + u8 flags; + spinlock_t *lock; +}; + +extern const struct clk_ops clk_fractional_divider_ops; +struct clk *clk_register_fractional_divider(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth, + u8 clk_divider_flags, spinlock_t *lock); + /*** * struct clk_composite - aggregate clock of mux, divider and gate clocks * @@ -498,10 +529,7 @@ struct clk_onecell_data { extern struct of_device_id __clk_of_table; -#define CLK_OF_DECLARE(name, compat, fn) \ - static const struct of_device_id __clk_of_table_##name \ - __used __section(__clk_of_table) \ - = { .compatible = compat, .data = fn }; +#define CLK_OF_DECLARE(name, compat, fn) OF_DECLARE_1(clk, name, compat, fn) #ifdef CONFIG_OF int of_clk_add_provider(struct device_node *np, diff --git a/include/linux/clk/at91_pmc.h b/include/linux/clk/at91_pmc.h index a6911ebbd02a..de4268d4987a 100644 --- a/include/linux/clk/at91_pmc.h +++ b/include/linux/clk/at91_pmc.h @@ -155,6 +155,7 @@ extern void __iomem *at91_pmc_base; #define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */ #define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */ #define AT91_PMC_LOCKU (1 << 6) /* UPLL Lock [some SAM9] */ +#define AT91_PMC_OSCSEL (1 << 7) /* Slow Oscillator Selection [some SAM9] */ #define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */ #define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */ #define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */ diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 67301a405712..a16b497d5159 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -339,23 +339,13 @@ extern int clocksource_mmio_init(void __iomem *, const char *, extern int clocksource_i8253_init(void); -struct device_node; -typedef void(*clocksource_of_init_fn)(struct device_node *); +#define CLOCKSOURCE_OF_DECLARE(name, compat, fn) \ + OF_DECLARE_1(clksrc, name, compat, fn) + #ifdef CONFIG_CLKSRC_OF extern void clocksource_of_init(void); - -#define CLOCKSOURCE_OF_DECLARE(name, compat, fn) \ - static const struct of_device_id __clksrc_of_table_##name \ - __used __section(__clksrc_of_table) \ - = { .compatible = compat, \ - .data = (fn == (clocksource_of_init_fn)NULL) ? fn : fn } #else static inline void clocksource_of_init(void) {} -#define CLOCKSOURCE_OF_DECLARE(name, compat, fn) \ - static const struct of_device_id __clksrc_of_table_##name \ - __attribute__((unused)) \ - = { .compatible = compat, \ - .data = (fn == (clocksource_of_init_fn)NULL) ? fn : fn } #endif #endif /* _LINUX_CLOCKSOURCE_H */ diff --git a/include/linux/compaction.h b/include/linux/compaction.h index 7e1c76e3cd68..01e3132820da 100644 --- a/include/linux/compaction.h +++ b/include/linux/compaction.h @@ -22,7 +22,7 @@ extern int sysctl_extfrag_handler(struct ctl_table *table, int write, extern int fragmentation_index(struct zone *zone, unsigned int order); extern unsigned long try_to_compact_pages(struct zonelist *zonelist, int order, gfp_t gfp_mask, nodemask_t *mask, - bool sync, bool *contended); + enum migrate_mode mode, bool *contended); extern void compact_pgdat(pg_data_t *pgdat, int order); extern void reset_isolation_suitable(pg_data_t *pgdat); extern unsigned long compaction_suitable(struct zone *zone, int order); @@ -91,7 +91,7 @@ static inline bool compaction_restarting(struct zone *zone, int order) #else static inline unsigned long try_to_compact_pages(struct zonelist *zonelist, int order, gfp_t gfp_mask, nodemask_t *nodemask, - bool sync, bool *contended) + enum migrate_mode mode, bool *contended) { return COMPACT_CONTINUE; } diff --git a/include/linux/compiler-intel.h b/include/linux/compiler-intel.h index 5529c5239421..ba147a1727e6 100644 --- a/include/linux/compiler-intel.h +++ b/include/linux/compiler-intel.h @@ -13,12 +13,9 @@ /* Intel ECC compiler doesn't support gcc specific asm stmts. * It uses intrinsics to do the equivalent things. */ -#undef barrier #undef RELOC_HIDE #undef OPTIMIZER_HIDE_VAR -#define barrier() __memory_barrier() - #define RELOC_HIDE(ptr, off) \ ({ unsigned long __ptr; \ __ptr = (unsigned long) (ptr); \ diff --git a/include/linux/compiler.h b/include/linux/compiler.h index ee7239ea1583..64fdfe1cfcf0 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -323,9 +323,18 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); #endif #ifndef __compiletime_error # define __compiletime_error(message) -# define __compiletime_error_fallback(condition) \ +/* + * Sparse complains of variable sized arrays due to the temporary variable in + * __compiletime_assert. Unfortunately we can't just expand it out to make + * sparse see a constant array size without breaking compiletime_assert on old + * versions of GCC (e.g. 4.2.4), so hide the array from sparse altogether. + */ +# ifndef __CHECKER__ +# define __compiletime_error_fallback(condition) \ do { ((void)sizeof(char[1 - 2 * condition])); } while (0) -#else +# endif +#endif +#ifndef __compiletime_error_fallback # define __compiletime_error_fallback(condition) do { } while (0) #endif diff --git a/include/linux/connector.h b/include/linux/connector.h index be9c4747d511..f8fe8637d771 100644 --- a/include/linux/connector.h +++ b/include/linux/connector.h @@ -71,6 +71,7 @@ struct cn_dev { int cn_add_callback(struct cb_id *id, const char *name, void (*callback)(struct cn_msg *, struct netlink_skb_parms *)); void cn_del_callback(struct cb_id *); +int cn_netlink_send_mult(struct cn_msg *msg, u16 len, u32 portid, u32 group, gfp_t gfp_mask); int cn_netlink_send(struct cn_msg *msg, u32 portid, u32 group, gfp_t gfp_mask); int cn_queue_add_callback(struct cn_queue_dev *dev, const char *name, diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h index 7f0c32908568..e859c98d1767 100644 --- a/include/linux/console_struct.h +++ b/include/linux/console_struct.h @@ -17,6 +17,7 @@ #include <linux/workqueue.h> struct vt_struct; +struct uni_pagedir; #define NPAR 16 @@ -104,8 +105,8 @@ struct vc_data { unsigned int vc_bell_pitch; /* Console bell pitch */ unsigned int vc_bell_duration; /* Console bell duration */ struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */ - unsigned long vc_uni_pagedir; - unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */ + struct uni_pagedir *vc_uni_pagedir; + struct uni_pagedir **vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */ bool vc_panic_force_write; /* when oops/panic this VC can accept forced output/blanking */ /* additional information is in vt_kern.h */ }; diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 5ae5100c1f24..3f458896d45c 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -110,6 +110,7 @@ struct cpufreq_policy { bool transition_ongoing; /* Tracks transition status */ spinlock_t transition_lock; wait_queue_head_t transition_wait; + struct task_struct *transition_task; /* Task which is doing the transition */ }; /* Only for ACPI */ @@ -468,6 +469,55 @@ struct cpufreq_frequency_table { * order */ }; +#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP) +int dev_pm_opp_init_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table); +void dev_pm_opp_free_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table **table); +#else +static inline int dev_pm_opp_init_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table + **table) +{ + return -EINVAL; +} + +static inline void dev_pm_opp_free_cpufreq_table(struct device *dev, + struct cpufreq_frequency_table + **table) +{ +} +#endif + +static inline bool cpufreq_next_valid(struct cpufreq_frequency_table **pos) +{ + while ((*pos)->frequency != CPUFREQ_TABLE_END) + if ((*pos)->frequency != CPUFREQ_ENTRY_INVALID) + return true; + else + (*pos)++; + return false; +} + +/* + * cpufreq_for_each_entry - iterate over a cpufreq_frequency_table + * @pos: the cpufreq_frequency_table * to use as a loop cursor. + * @table: the cpufreq_frequency_table * to iterate over. + */ + +#define cpufreq_for_each_entry(pos, table) \ + for (pos = table; pos->frequency != CPUFREQ_TABLE_END; pos++) + +/* + * cpufreq_for_each_valid_entry - iterate over a cpufreq_frequency_table + * excluding CPUFREQ_ENTRY_INVALID frequencies. + * @pos: the cpufreq_frequency_table * to use as a loop cursor. + * @table: the cpufreq_frequency_table * to iterate over. + */ + +#define cpufreq_for_each_valid_entry(pos, table) \ + for (pos = table; cpufreq_next_valid(&pos); pos++) + int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table); diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index b0238cba440b..c51a436135c4 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -120,8 +120,6 @@ struct cpuidle_driver { #ifdef CONFIG_CPU_IDLE extern void disable_cpuidle(void); -extern int cpuidle_enabled(struct cpuidle_driver *drv, - struct cpuidle_device *dev); extern int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev); extern int cpuidle_enter(struct cpuidle_driver *drv, @@ -145,13 +143,11 @@ extern void cpuidle_resume(void); extern int cpuidle_enable_device(struct cpuidle_device *dev); extern void cpuidle_disable_device(struct cpuidle_device *dev); extern int cpuidle_play_dead(void); +extern void cpuidle_use_deepest_state(bool enable); extern struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev); #else static inline void disable_cpuidle(void) { } -static inline int cpuidle_enabled(struct cpuidle_driver *drv, - struct cpuidle_device *dev) -{return -ENODEV; } static inline int cpuidle_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) {return -ENODEV; } @@ -180,6 +176,7 @@ static inline int cpuidle_enable_device(struct cpuidle_device *dev) {return -ENODEV; } static inline void cpuidle_disable_device(struct cpuidle_device *dev) { } static inline int cpuidle_play_dead(void) {return -ENODEV; } +static inline void cpuidle_use_deepest_state(bool enable) {} static inline struct cpuidle_driver *cpuidle_get_cpu_driver( struct cpuidle_device *dev) {return NULL; } #endif diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index b19d3dc2e651..ade2390ffe92 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -12,10 +12,31 @@ #include <linux/cpumask.h> #include <linux/nodemask.h> #include <linux/mm.h> +#include <linux/jump_label.h> #ifdef CONFIG_CPUSETS -extern int number_of_cpusets; /* How many cpusets are defined in system? */ +extern struct static_key cpusets_enabled_key; +static inline bool cpusets_enabled(void) +{ + return static_key_false(&cpusets_enabled_key); +} + +static inline int nr_cpusets(void) +{ + /* jump label reference count + the top-level cpuset */ + return static_key_count(&cpusets_enabled_key) + 1; +} + +static inline void cpuset_inc(void) +{ + static_key_slow_inc(&cpusets_enabled_key); +} + +static inline void cpuset_dec(void) +{ + static_key_slow_dec(&cpusets_enabled_key); +} extern int cpuset_init(void); extern void cpuset_init_smp(void); @@ -32,13 +53,13 @@ extern int __cpuset_node_allowed_hardwall(int node, gfp_t gfp_mask); static inline int cpuset_node_allowed_softwall(int node, gfp_t gfp_mask) { - return number_of_cpusets <= 1 || + return nr_cpusets() <= 1 || __cpuset_node_allowed_softwall(node, gfp_mask); } static inline int cpuset_node_allowed_hardwall(int node, gfp_t gfp_mask) { - return number_of_cpusets <= 1 || + return nr_cpusets() <= 1 || __cpuset_node_allowed_hardwall(node, gfp_mask); } @@ -124,6 +145,8 @@ static inline void set_mems_allowed(nodemask_t nodemask) #else /* !CONFIG_CPUSETS */ +static inline bool cpusets_enabled(void) { return false; } + static inline int cpuset_init(void) { return 0; } static inline void cpuset_init_smp(void) {} diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 3b9bfdb83ba6..3c7ec327ebd2 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -221,6 +221,8 @@ struct dentry_operations { #define DCACHE_SYMLINK_TYPE 0x00300000 /* Symlink */ #define DCACHE_FILE_TYPE 0x00400000 /* Other file type */ +#define DCACHE_MAY_FREE 0x00800000 + extern seqlock_t rename_lock; static inline int dname_external(const struct dentry *dentry) diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index d48dc00232a4..f1863dcd83ea 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -181,6 +181,12 @@ extern struct devfreq *devfreq_add_device(struct device *dev, const char *governor_name, void *data); extern int devfreq_remove_device(struct devfreq *devfreq); +extern struct devfreq *devm_devfreq_add_device(struct device *dev, + struct devfreq_dev_profile *profile, + const char *governor_name, + void *data); +extern void devm_devfreq_remove_device(struct device *dev, + struct devfreq *devfreq); /* Supposed to be called by PM_SLEEP/PM_RUNTIME callbacks */ extern int devfreq_suspend_device(struct devfreq *devfreq); @@ -193,6 +199,10 @@ extern int devfreq_register_opp_notifier(struct device *dev, struct devfreq *devfreq); extern int devfreq_unregister_opp_notifier(struct device *dev, struct devfreq *devfreq); +extern int devm_devfreq_register_opp_notifier(struct device *dev, + struct devfreq *devfreq); +extern void devm_devfreq_unregister_opp_notifier(struct device *dev, + struct devfreq *devfreq); #if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND) /** @@ -220,7 +230,7 @@ static inline struct devfreq *devfreq_add_device(struct device *dev, const char *governor_name, void *data) { - return NULL; + return ERR_PTR(-ENOSYS); } static inline int devfreq_remove_device(struct devfreq *devfreq) @@ -228,6 +238,19 @@ static inline int devfreq_remove_device(struct devfreq *devfreq) return 0; } +static inline struct devfreq *devm_devfreq_add_device(struct device *dev, + struct devfreq_dev_profile *profile, + const char *governor_name, + void *data) +{ + return ERR_PTR(-ENOSYS); +} + +static inline void devm_devfreq_remove_device(struct device *dev, + struct devfreq *devfreq) +{ +} + static inline int devfreq_suspend_device(struct devfreq *devfreq) { return 0; @@ -256,6 +279,16 @@ static inline int devfreq_unregister_opp_notifier(struct device *dev, return -EINVAL; } +static inline int devm_devfreq_register_opp_notifier(struct device *dev, + struct devfreq *devfreq) +{ + return -EINVAL; +} + +static inline void devm_devfreq_unregister_opp_notifier(struct device *dev, + struct devfreq *devfreq) +{ +} #endif /* CONFIG_PM_DEVFREQ */ #endif /* __LINUX_DEVFREQ_H__ */ diff --git a/include/linux/device.h b/include/linux/device.h index 233bbbeb768d..580e3eed4b78 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -566,12 +566,6 @@ extern int __must_check device_create_bin_file(struct device *dev, const struct bin_attribute *attr); extern void device_remove_bin_file(struct device *dev, const struct bin_attribute *attr); -extern int device_schedule_callback_owner(struct device *dev, - void (*func)(struct device *dev), struct module *owner); - -/* This is a macro to avoid include problems with THIS_MODULE */ -#define device_schedule_callback(dev, func) \ - device_schedule_callback_owner(dev, func, THIS_MODULE) /* device resource management */ typedef void (*dr_release_t)(struct device *dev, void *res); @@ -629,6 +623,12 @@ static inline void *devm_kcalloc(struct device *dev, } extern void devm_kfree(struct device *dev, void *p); extern char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp); +extern void *devm_kmemdup(struct device *dev, const void *src, size_t len, + gfp_t gfp); + +extern unsigned long devm_get_free_pages(struct device *dev, + gfp_t gfp_mask, unsigned int order); +extern void devm_free_pages(struct device *dev, unsigned long addr); void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res); void __iomem *devm_request_and_ioremap(struct device *dev, @@ -679,6 +679,7 @@ struct acpi_dev_node { * variants, which GPIO pins act in what additional roles, and so * on. This shrinks the "Board Support Packages" (BSPs) and * minimizes board-specific #ifdefs in drivers. + * @driver_data: Private pointer for driver specific info. * @power: For device power management. * See Documentation/power/devices.txt for details. * @pm_domain: Provide callbacks that are executed during system suspend, @@ -740,6 +741,8 @@ struct device { device */ void *platform_data; /* Platform specific data, device core doesn't touch it */ + void *driver_data; /* Driver data, set and get with + dev_set/get_drvdata */ struct dev_pm_info power; struct dev_pm_domain *pm_domain; @@ -829,6 +832,16 @@ static inline void set_dev_node(struct device *dev, int node) } #endif +static inline void *dev_get_drvdata(const struct device *dev) +{ + return dev->driver_data; +} + +static inline void dev_set_drvdata(struct device *dev, void *data) +{ + dev->driver_data = data; +} + static inline struct pm_subsys_data *dev_to_psd(struct device *dev) { return dev ? dev->power.subsys_data : NULL; @@ -913,8 +926,6 @@ extern int device_move(struct device *dev, struct device *new_parent, extern const char *device_get_devnode(struct device *dev, umode_t *mode, kuid_t *uid, kgid_t *gid, const char **tmp); -extern void *dev_get_drvdata(const struct device *dev); -extern int dev_set_drvdata(struct device *dev, void *data); static inline bool device_supports_offline(struct device *dev) { @@ -932,10 +943,7 @@ extern int device_online(struct device *dev); extern struct device *__root_device_register(const char *name, struct module *owner); -/* - * This is a macro to avoid include problems with THIS_MODULE, - * just as per what is done for device_schedule_callback() above. - */ +/* This is a macro to avoid include problems with THIS_MODULE */ #define root_device_register(name) \ __root_device_register(name, THIS_MODULE) diff --git a/include/linux/dma-contiguous.h b/include/linux/dma-contiguous.h index 3b28f937d959..772eab5d524a 100644 --- a/include/linux/dma-contiguous.h +++ b/include/linux/dma-contiguous.h @@ -88,7 +88,8 @@ static inline void dma_contiguous_set_default(struct cma *cma) void dma_contiguous_reserve(phys_addr_t addr_limit); int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base, - phys_addr_t limit, struct cma **res_cma); + phys_addr_t limit, struct cma **res_cma, + bool fixed); /** * dma_declare_contiguous() - reserve area for contiguous memory handling @@ -108,7 +109,7 @@ static inline int dma_declare_contiguous(struct device *dev, phys_addr_t size, { struct cma *cma; int ret; - ret = dma_contiguous_reserve_area(size, base, limit, &cma); + ret = dma_contiguous_reserve_area(size, base, limit, &cma, true); if (ret == 0) dev_set_cma_area(dev, cma); @@ -136,7 +137,9 @@ static inline void dma_contiguous_set_default(struct cma *cma) { } static inline void dma_contiguous_reserve(phys_addr_t limit) { } static inline int dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base, - phys_addr_t limit, struct cma **res_cma) { + phys_addr_t limit, struct cma **res_cma, + bool fixed) +{ return -ENOSYS; } diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index fd4aee29ad10..0c3eab1e39ac 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -8,6 +8,12 @@ #include <linux/dma-direction.h> #include <linux/scatterlist.h> +/* + * A dma_addr_t can hold any valid DMA or bus address for the platform. + * It can be given to a device to use as a DMA source or target. A CPU cannot + * reference a dma_addr_t directly because there may be translation between + * its physical address space and the bus address space. + */ struct dma_map_ops { void* (*alloc)(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp, @@ -186,7 +192,7 @@ static inline int dma_get_cache_alignment(void) #ifndef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY static inline int -dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, +dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr, dma_addr_t device_addr, size_t size, int flags) { return 0; @@ -217,13 +223,14 @@ extern void *dmam_alloc_noncoherent(struct device *dev, size_t size, extern void dmam_free_noncoherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle); #ifdef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY -extern int dmam_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, +extern int dmam_declare_coherent_memory(struct device *dev, + phys_addr_t phys_addr, dma_addr_t device_addr, size_t size, int flags); extern void dmam_release_declared_memory(struct device *dev); #else /* ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY */ static inline int dmam_declare_coherent_memory(struct device *dev, - dma_addr_t bus_addr, dma_addr_t device_addr, + phys_addr_t phys_addr, dma_addr_t device_addr, size_t size, gfp_t gfp) { return 0; diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 8300fb87b84a..72cb0ddb9678 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -429,6 +429,7 @@ typedef bool (*dma_filter_fn)(struct dma_chan *chan, void *filter_param); typedef void (*dma_async_tx_callback)(void *dma_async_param); struct dmaengine_unmap_data { + u8 map_cnt; u8 to_cnt; u8 from_cnt; u8 bidi_cnt; diff --git a/include/linux/extcon.h b/include/linux/extcon.h index f488145bb2d4..36f49c405dfb 100644 --- a/include/linux/extcon.h +++ b/include/linux/extcon.h @@ -185,9 +185,22 @@ struct extcon_specific_cable_nb { */ extern int extcon_dev_register(struct extcon_dev *edev); extern void extcon_dev_unregister(struct extcon_dev *edev); +extern int devm_extcon_dev_register(struct device *dev, + struct extcon_dev *edev); +extern void devm_extcon_dev_unregister(struct device *dev, + struct extcon_dev *edev); extern struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name); /* + * Following APIs control the memory of extcon device. + */ +extern struct extcon_dev *extcon_dev_allocate(const char **cables); +extern void extcon_dev_free(struct extcon_dev *edev); +extern struct extcon_dev *devm_extcon_dev_allocate(struct device *dev, + const char **cables); +extern void devm_extcon_dev_free(struct device *dev, struct extcon_dev *edev); + +/* * get/set/update_state access the 32b encoded state value, which represents * states of all possible cables of the multistate port. For example, if one * calls extcon_set_state(edev, 0x7), it may mean that all the three cables @@ -254,6 +267,30 @@ static inline int extcon_dev_register(struct extcon_dev *edev) static inline void extcon_dev_unregister(struct extcon_dev *edev) { } +static inline int devm_extcon_dev_register(struct device *dev, + struct extcon_dev *edev) +{ + return -EINVAL; +} + +static inline void devm_extcon_dev_unregister(struct device *dev, + struct extcon_dev *edev) { } + +static inline struct extcon_dev *extcon_dev_allocate(const char **cables) +{ + return ERR_PTR(-ENOSYS); +} + +static inline void extcon_dev_free(struct extcon_dev *edev) { } + +static inline struct extcon_dev *devm_extcon_dev_allocate(struct device *dev, + const char **cables) +{ + return ERR_PTR(-ENOSYS); +} + +static inline void devm_extcon_dev_free(struct extcon_dev *edev) { } + static inline u32 extcon_get_state(struct extcon_dev *edev) { return 0; diff --git a/include/linux/fb.h b/include/linux/fb.h index fe6ac956550e..b6bfda99add3 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -47,6 +47,7 @@ struct device_node; #define FB_MISC_PRIM_COLOR 1 #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */ +#define FB_MISC_HDMI 4 struct fb_chroma { __u32 redx; /* in fraction of 1024 */ __u32 greenx; @@ -641,7 +642,7 @@ static inline void unlock_fb_info(struct fb_info *info) static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height) { - int i, j; + u32 i, j; d_pitch -= s_pitch; diff --git a/include/linux/filter.h b/include/linux/filter.h index 262dcbb75ffe..024fd03e5d18 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -220,7 +220,6 @@ enum { BPF_S_ANC_RXHASH, BPF_S_ANC_CPU, BPF_S_ANC_ALU_XOR_X, - BPF_S_ANC_SECCOMP_LD_W, BPF_S_ANC_VLAN_TAG, BPF_S_ANC_VLAN_TAG_PRESENT, BPF_S_ANC_PAY_OFFSET, diff --git a/include/linux/firewire.h b/include/linux/firewire.h index c3683bdf28fe..d4b7683c722d 100644 --- a/include/linux/firewire.h +++ b/include/linux/firewire.h @@ -367,6 +367,9 @@ static inline int fw_stream_packet_destination_id(int tag, int channel, int sy) return tag << 14 | channel << 8 | sy; } +void fw_schedule_bus_reset(struct fw_card *card, bool delayed, + bool short_reset); + struct fw_descriptor { struct list_head link; size_t length; diff --git a/include/linux/fs.h b/include/linux/fs.h index 7a9c5bca2b76..c3f46e499dd0 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -815,7 +815,7 @@ static inline struct file *get_file(struct file *f) #define FL_SLEEP 128 /* A blocking lock */ #define FL_DOWNGRADE_PENDING 256 /* Lease is being downgraded */ #define FL_UNLOCK_PENDING 512 /* Lease is being broken */ -#define FL_FILE_PVT 1024 /* lock is private to the file */ +#define FL_OFDLCK 1024 /* lock is "owned" by struct file */ /* * Special return value from posix_lock_file() and vfs_lock_file() for @@ -2590,6 +2590,7 @@ extern ssize_t simple_read_from_buffer(void __user *to, size_t count, extern ssize_t simple_write_to_buffer(void *to, size_t available, loff_t *ppos, const void __user *from, size_t count); +extern int __generic_file_fsync(struct file *, loff_t, loff_t, int); extern int generic_file_fsync(struct file *, loff_t, loff_t, int); extern int generic_check_addressable(unsigned, u64); diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 9212b017bc72..ae9504b4b67d 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -535,6 +535,7 @@ static inline int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_a extern int ftrace_arch_read_dyn_info(char *buf, int size); extern int skip_trace(unsigned long ip); +extern void ftrace_module_init(struct module *mod); extern void ftrace_disable_daemon(void); extern void ftrace_enable_daemon(void); @@ -544,6 +545,7 @@ static inline int ftrace_force_update(void) { return 0; } static inline void ftrace_disable_daemon(void) { } static inline void ftrace_enable_daemon(void) { } static inline void ftrace_release_mod(struct module *mod) {} +static inline void ftrace_module_init(struct module *mod) {} static inline __init int register_ftrace_command(struct ftrace_func_command *cmd) { return -EINVAL; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 9f3c275e053e..ec274e0f4ed2 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -649,7 +649,7 @@ static inline void hd_ref_init(struct hd_struct *part) static inline void hd_struct_get(struct hd_struct *part) { atomic_inc(&part->ref); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); } static inline int hd_struct_try_get(struct hd_struct *part) diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 39b81dc7d01a..6eb1fb37de9a 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -6,7 +6,6 @@ #include <linux/stddef.h> #include <linux/linkage.h> #include <linux/topology.h> -#include <linux/mmdebug.h> struct vm_area_struct; @@ -31,7 +30,6 @@ struct vm_area_struct; #define ___GFP_HARDWALL 0x20000u #define ___GFP_THISNODE 0x40000u #define ___GFP_RECLAIMABLE 0x80000u -#define ___GFP_KMEMCG 0x100000u #define ___GFP_NOTRACK 0x200000u #define ___GFP_NO_KSWAPD 0x400000u #define ___GFP_OTHER_NODE 0x800000u @@ -91,7 +89,6 @@ struct vm_area_struct; #define __GFP_NO_KSWAPD ((__force gfp_t)___GFP_NO_KSWAPD) #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */ -#define __GFP_KMEMCG ((__force gfp_t)___GFP_KMEMCG) /* Allocation comes from a memcg-accounted resource */ #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */ /* @@ -353,6 +350,10 @@ extern struct page *alloc_pages_vma(gfp_t gfp_mask, int order, #define alloc_page_vma_node(gfp_mask, vma, addr, node) \ alloc_pages_vma(gfp_mask, 0, vma, addr, node) +extern struct page *alloc_kmem_pages(gfp_t gfp_mask, unsigned int order); +extern struct page *alloc_kmem_pages_node(int nid, gfp_t gfp_mask, + unsigned int order); + extern unsigned long __get_free_pages(gfp_t gfp_mask, unsigned int order); extern unsigned long get_zeroed_page(gfp_t gfp_mask); @@ -369,11 +370,11 @@ void *alloc_pages_exact_nid(int nid, size_t size, gfp_t gfp_mask); extern void __free_pages(struct page *page, unsigned int order); extern void free_pages(unsigned long addr, unsigned int order); -extern void free_hot_cold_page(struct page *page, int cold); -extern void free_hot_cold_page_list(struct list_head *list, int cold); +extern void free_hot_cold_page(struct page *page, bool cold); +extern void free_hot_cold_page_list(struct list_head *list, bool cold); -extern void __free_memcg_kmem_pages(struct page *page, unsigned int order); -extern void free_memcg_kmem_pages(unsigned long addr, unsigned int order); +extern void __free_kmem_pages(struct page *page, unsigned int order); +extern void free_kmem_pages(unsigned long addr, unsigned int order); #define __free_page(page) __free_pages((page), 0) #define free_page(addr) free_pages((addr), 0) diff --git a/include/linux/goldfish.h b/include/linux/goldfish.h new file mode 100644 index 000000000000..569236e6b2bc --- /dev/null +++ b/include/linux/goldfish.h @@ -0,0 +1,15 @@ +#ifndef __LINUX_GOLDFISH_H +#define __LINUX_GOLDFISH_H + +/* Helpers for Goldfish virtual platform */ + +static inline void gf_write64(unsigned long data, + void __iomem *portl, void __iomem *porth) +{ + writel((u32)data, portl); +#ifdef CONFIG_64BIT + writel(data>>32, porth); +#endif +} + +#endif /* __LINUX_GOLDFISH_H */ diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index bed128e8f4b1..05e53ccb708b 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -1,6 +1,7 @@ #ifndef __LINUX_GPIO_CONSUMER_H #define __LINUX_GPIO_CONSUMER_H +#include <linux/bug.h> #include <linux/err.h> #include <linux/kernel.h> @@ -23,6 +24,12 @@ struct gpio_desc *__must_check gpiod_get(struct device *dev, struct gpio_desc *__must_check gpiod_get_index(struct device *dev, const char *con_id, unsigned int idx); +struct gpio_desc *__must_check gpiod_get_optional(struct device *dev, + const char *con_id); +struct gpio_desc *__must_check gpiod_get_index_optional(struct device *dev, + const char *con_id, + unsigned int index); + void gpiod_put(struct gpio_desc *desc); struct gpio_desc *__must_check devm_gpiod_get(struct device *dev, @@ -30,6 +37,12 @@ struct gpio_desc *__must_check devm_gpiod_get(struct device *dev, struct gpio_desc *__must_check devm_gpiod_get_index(struct device *dev, const char *con_id, unsigned int idx); +struct gpio_desc *__must_check devm_gpiod_get_optional(struct device *dev, + const char *con_id); +struct gpio_desc *__must_check +devm_gpiod_get_index_optional(struct device *dev, const char *con_id, + unsigned int index); + void devm_gpiod_put(struct device *dev, struct gpio_desc *desc); int gpiod_get_direction(const struct gpio_desc *desc); @@ -73,6 +86,20 @@ static inline struct gpio_desc *__must_check gpiod_get_index(struct device *dev, { return ERR_PTR(-ENOSYS); } + +static inline struct gpio_desc *__must_check +gpiod_get_optional(struct device *dev, const char *con_id) +{ + return ERR_PTR(-ENOSYS); +} + +static inline struct gpio_desc *__must_check +gpiod_get_index_optional(struct device *dev, const char *con_id, + unsigned int index) +{ + return ERR_PTR(-ENOSYS); +} + static inline void gpiod_put(struct gpio_desc *desc) { might_sleep(); @@ -93,6 +120,20 @@ struct gpio_desc *__must_check devm_gpiod_get_index(struct device *dev, { return ERR_PTR(-ENOSYS); } + +static inline struct gpio_desc *__must_check +devm_gpiod_get_optional(struct device *dev, const char *con_id) +{ + return ERR_PTR(-ENOSYS); +} + +static inline struct gpio_desc *__must_check +devm_gpiod_get_index_optional(struct device *dev, const char *con_id, + unsigned int index) +{ + return ERR_PTR(-ENOSYS); +} + static inline void devm_gpiod_put(struct device *dev, struct gpio_desc *desc) { might_sleep(); diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 1827b43966d9..573e4f3243d0 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -51,7 +51,10 @@ struct seq_file; * format specifier for an unsigned int. It is substituted by the actual * number of the gpio. * @can_sleep: flag must be set iff get()/set() methods sleep, as they - * must while accessing GPIO expander chips over I2C or SPI + * must while accessing GPIO expander chips over I2C or SPI. This + * implies that if the chip supports IRQs, these IRQs need to be threaded + * as the chip access may sleep when e.g. reading out the IRQ status + * registers. * @exported: flags if the gpiochip is exported for use from sysfs. Private. * * A gpio_chip can help platforms abstract various sources of GPIOs so diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index b70cfd7ff29c..51f7ccadf923 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -189,7 +189,7 @@ struct hid_sensor_common { struct hid_sensor_hub_device *hsdev; struct platform_device *pdev; unsigned usage_id; - bool data_ready; + atomic_t data_ready; struct iio_trigger *trigger; struct hid_sensor_hub_attribute_info poll; struct hid_sensor_hub_attribute_info report_state; @@ -223,4 +223,10 @@ int hid_sensor_read_samp_freq_value(struct hid_sensor_common *st, int hid_sensor_get_usage_index(struct hid_sensor_hub_device *hsdev, u32 report_id, int field_index, u32 usage_id); +int hid_sensor_format_scale(u32 usage_id, + struct hid_sensor_hub_attribute_info *attr_info, + int *val0, int *val1); + +s32 hid_sensor_read_poll_value(struct hid_sensor_common *st); + #endif diff --git a/include/linux/hid-sensor-ids.h b/include/linux/hid-sensor-ids.h index 14ead9e8eda8..109f0e633e01 100644 --- a/include/linux/hid-sensor-ids.h +++ b/include/linux/hid-sensor-ids.h @@ -76,6 +76,7 @@ #define HID_USAGE_SENSOR_ORIENT_TILT_Y 0x200480 #define HID_USAGE_SENSOR_ORIENT_TILT_Z 0x200481 +#define HID_USAGE_SENSOR_DEVICE_ORIENTATION 0x20008A #define HID_USAGE_SENSOR_ORIENT_ROTATION_MATRIX 0x200482 #define HID_USAGE_SENSOR_ORIENT_QUATERNION 0x200483 #define HID_USAGE_SENSOR_ORIENT_MAGN_FLUX 0x200484 diff --git a/include/linux/hid.h b/include/linux/hid.h index 720e3a10608c..77632cf159c0 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -233,11 +233,6 @@ struct hid_item { #define HID_DG_BARRELSWITCH 0x000d0044 #define HID_DG_ERASER 0x000d0045 #define HID_DG_TABLETPICK 0x000d0046 -/* - * as of May 20, 2009 the usages below are not yet in the official USB spec - * but are being pushed by Microsft as described in their paper "Digitizer - * Drivers for Windows Touch and Pen-Based Computers" - */ #define HID_DG_CONFIDENCE 0x000d0047 #define HID_DG_WIDTH 0x000d0048 #define HID_DG_HEIGHT 0x000d0049 @@ -246,6 +241,8 @@ struct hid_item { #define HID_DG_DEVICEINDEX 0x000d0053 #define HID_DG_CONTACTCOUNT 0x000d0054 #define HID_DG_CONTACTMAX 0x000d0055 +#define HID_DG_BARRELSWITCH2 0x000d005a +#define HID_DG_TOOLSERIALNUMBER 0x000d005b /* * HID report types --- Ouch! HID spec says 1 2 3! @@ -299,6 +296,9 @@ struct hid_item { /* * HID device groups + * + * Note: HID_GROUP_ANY is declared in linux/mod_devicetable.h + * and has a value of 0x0000 */ #define HID_GROUP_GENERIC 0x0001 #define HID_GROUP_MULTITOUCH 0x0002 @@ -306,6 +306,11 @@ struct hid_item { #define HID_GROUP_MULTITOUCH_WIN_8 0x0004 /* + * Vendor specific HID device groups + */ +#define HID_GROUP_RMI 0x0100 + +/* * This is the global environment of the parser. This information is * persistent for main-items. The global environment can be saved and * restored with PUSH/POP statements. @@ -570,6 +575,8 @@ struct hid_descriptor { .bus = BUS_USB, .vendor = (ven), .product = (prod) #define HID_BLUETOOTH_DEVICE(ven, prod) \ .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod) +#define HID_I2C_DEVICE(ven, prod) \ + .bus = BUS_I2C, .vendor = (ven), .product = (prod) #define HID_REPORT_ID(rep) \ .report_type = (rep) diff --git a/include/linux/hsi/hsi.h b/include/linux/hsi/hsi.h index 39bfd5b89077..3ec06300d535 100644 --- a/include/linux/hsi/hsi.h +++ b/include/linux/hsi/hsi.h @@ -68,17 +68,31 @@ enum { }; /** + * struct hsi_channel - channel resource used by the hsi clients + * @id: Channel number + * @name: Channel name + */ +struct hsi_channel { + unsigned int id; + const char *name; +}; + +/** * struct hsi_config - Configuration for RX/TX HSI modules * @mode: Bit transmission mode (STREAM or FRAME) - * @channels: Number of channels to use [1..16] + * @channels: Channel resources used by the client + * @num_channels: Number of channel resources + * @num_hw_channels: Number of channels the transceiver is configured for [1..16] * @speed: Max bit transmission speed (Kbit/s) * @flow: RX flow type (SYNCHRONIZED or PIPELINE) * @arb_mode: Arbitration mode for TX frame (Round robin, priority) */ struct hsi_config { - unsigned int mode; - unsigned int channels; - unsigned int speed; + unsigned int mode; + struct hsi_channel *channels; + unsigned int num_channels; + unsigned int num_hw_channels; + unsigned int speed; union { unsigned int flow; /* RX only */ unsigned int arb_mode; /* TX only */ @@ -282,6 +296,21 @@ struct hsi_controller *hsi_alloc_controller(unsigned int n_ports, gfp_t flags); void hsi_put_controller(struct hsi_controller *hsi); int hsi_register_controller(struct hsi_controller *hsi); void hsi_unregister_controller(struct hsi_controller *hsi); +struct hsi_client *hsi_new_client(struct hsi_port *port, + struct hsi_board_info *info); +int hsi_remove_client(struct device *dev, void *data); +void hsi_port_unregister_clients(struct hsi_port *port); + +#ifdef CONFIG_OF +void hsi_add_clients_from_dt(struct hsi_port *port, + struct device_node *clients); +#else +static inline void hsi_add_clients_from_dt(struct hsi_port *port, + struct device_node *clients) +{ + return; +} +#endif static inline void hsi_controller_set_drvdata(struct hsi_controller *hsi, void *data) @@ -305,6 +334,8 @@ static inline struct hsi_port *hsi_find_port_num(struct hsi_controller *hsi, */ int hsi_async(struct hsi_client *cl, struct hsi_msg *msg); +int hsi_get_channel_id_by_name(struct hsi_client *cl, char *name); + /** * hsi_id - Get HSI controller ID associated to a client * @cl: Pointer to a HSI client diff --git a/include/linux/hsi/ssi_protocol.h b/include/linux/hsi/ssi_protocol.h new file mode 100644 index 000000000000..1433651be0dc --- /dev/null +++ b/include/linux/hsi/ssi_protocol.h @@ -0,0 +1,42 @@ +/* + * ssip_slave.h + * + * SSIP slave support header file + * + * Copyright (C) 2010 Nokia Corporation. All rights reserved. + * + * Contact: Carlos Chinea <carlos.chinea@nokia.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., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef __LINUX_SSIP_SLAVE_H__ +#define __LINUX_SSIP_SLAVE_H__ + +#include <linux/hsi/hsi.h> + +static inline void ssip_slave_put_master(struct hsi_client *master) +{ +} + +struct hsi_client *ssip_slave_get_master(struct hsi_client *slave); +int ssip_slave_start_tx(struct hsi_client *master); +int ssip_slave_stop_tx(struct hsi_client *master); +void ssip_reset_event(struct hsi_client *master); + +int ssip_slave_running(struct hsi_client *master); + +#endif /* __LINUX_SSIP_SLAVE_H__ */ + diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 5b337cf8fb86..255cd5cc0754 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -343,6 +343,11 @@ static inline unsigned huge_page_shift(struct hstate *h) return h->order + PAGE_SHIFT; } +static inline bool hstate_is_gigantic(struct hstate *h) +{ + return huge_page_order(h) >= MAX_ORDER; +} + static inline unsigned int pages_per_huge_page(struct hstate *h) { return 1 << h->order; @@ -392,15 +397,13 @@ static inline pgoff_t basepage_index(struct page *page) extern void dissolve_free_huge_pages(unsigned long start_pfn, unsigned long end_pfn); -int pmd_huge_support(void); -/* - * Currently hugepage migration is enabled only for pmd-based hugepage. - * This function will be updated when hugepage migration is more widely - * supported. - */ -static inline int hugepage_migration_support(struct hstate *h) +static inline int hugepage_migration_supported(struct hstate *h) { - return pmd_huge_support() && (huge_page_shift(h) == PMD_SHIFT); +#ifdef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION + return huge_page_shift(h) == PMD_SHIFT; +#else + return 0; +#endif } static inline spinlock_t *huge_pte_lockptr(struct hstate *h, @@ -412,6 +415,16 @@ static inline spinlock_t *huge_pte_lockptr(struct hstate *h, return &mm->page_table_lock; } +static inline bool hugepages_supported(void) +{ + /* + * Some platform decide whether they support huge pages at boot + * time. On these, such as powerpc, HPAGE_SHIFT is set to 0 when + * there is no such support + */ + return HPAGE_SHIFT != 0; +} + #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; #define alloc_huge_page_node(h, nid) NULL @@ -440,8 +453,7 @@ static inline pgoff_t basepage_index(struct page *page) return page->index; } #define dissolve_free_huge_pages(s, e) do {} while (0) -#define pmd_huge_support() 0 -#define hugepage_migration_support(h) 0 +#define hugepage_migration_supported(h) 0 static inline spinlock_t *huge_pte_lockptr(struct hstate *h, struct mm_struct *mm, pte_t *pte) diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index ab7359fde987..08cfaff8a072 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -147,15 +147,17 @@ hv_get_ringbuffer_availbytes(struct hv_ring_buffer_info *rbi, * 0 . 13 (Windows Server 2008) * 1 . 1 (Windows 7) * 2 . 4 (Windows 8) + * 3 . 0 (Windows 8 R2) */ #define VERSION_WS2008 ((0 << 16) | (13)) #define VERSION_WIN7 ((1 << 16) | (1)) #define VERSION_WIN8 ((2 << 16) | (4)) +#define VERSION_WIN8_1 ((3 << 16) | (0)) #define VERSION_INVAL -1 -#define VERSION_CURRENT VERSION_WIN8 +#define VERSION_CURRENT VERSION_WIN8_1 /* Make maximum size of pipe payload of 16K */ #define MAX_PIPE_DATA_PAYLOAD (sizeof(u8) * 16384) @@ -694,6 +696,8 @@ struct vmbus_channel { * preserve the earlier behavior. */ u32 target_vp; + /* The corresponding CPUID in the guest */ + u32 target_cpu; /* * Support for sub-channels. For high performance devices, * it will be useful to have multiple sub-channels to support @@ -730,6 +734,11 @@ struct vmbus_channel { * Support per-channel state for use by vmbus drivers. */ void *per_channel_state; + /* + * To support per-cpu lookup mapping of relid to channel, + * link up channels based on their CPU affinity. + */ + struct list_head percpu_list; }; static inline void set_channel_read_state(struct vmbus_channel *c, bool state) diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h index 7c8b20b120ea..a9a53b12397b 100644 --- a/include/linux/if_macvlan.h +++ b/include/linux/if_macvlan.h @@ -56,6 +56,7 @@ struct macvlan_dev { int numqueues; netdev_features_t tap_features; int minor; + int nest_level; }; static inline void macvlan_count_rx(const struct macvlan_dev *vlan, diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 13bbbde00e68..b2acc4a1b13c 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -73,7 +73,7 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb) /* found in socket.c */ extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *)); -static inline int is_vlan_dev(struct net_device *dev) +static inline bool is_vlan_dev(struct net_device *dev) { return dev->priv_flags & IFF_802_1Q_VLAN; } @@ -159,6 +159,7 @@ struct vlan_dev_priv { #ifdef CONFIG_NET_POLL_CONTROLLER struct netpoll *netpoll; #endif + unsigned int nest_level; }; static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev) @@ -197,6 +198,12 @@ extern void vlan_vids_del_by_dev(struct net_device *dev, const struct net_device *by_dev); extern bool vlan_uses_dev(const struct net_device *dev); + +static inline int vlan_get_encap_level(struct net_device *dev) +{ + BUG_ON(!is_vlan_dev(dev)); + return vlan_dev_priv(dev)->nest_level; +} #else static inline struct net_device * __vlan_find_dev_deep(struct net_device *real_dev, @@ -263,6 +270,11 @@ static inline bool vlan_uses_dev(const struct net_device *dev) { return false; } +static inline int vlan_get_encap_level(struct net_device *dev) +{ + BUG(); + return 0; +} #endif static inline bool vlan_hw_offload_capable(netdev_features_t features, @@ -483,4 +495,5 @@ static inline void vlan_set_encap_proto(struct sk_buff *skb, */ skb->protocol = htons(ETH_P_802_2); } + #endif /* !(_LINUX_IF_VLAN_H_) */ diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h index 3c005eb3a0a4..96f51f0e0096 100644 --- a/include/linux/iio/common/st_sensors.h +++ b/include/linux/iio/common/st_sensors.h @@ -269,6 +269,10 @@ int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable); int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable); +void st_sensors_power_enable(struct iio_dev *indio_dev); + +void st_sensors_power_disable(struct iio_dev *indio_dev); + int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr); int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable); diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h index 2752b1fd12be..651f9a0e2765 100644 --- a/include/linux/iio/consumer.h +++ b/include/linux/iio/consumer.h @@ -123,6 +123,19 @@ int iio_read_channel_raw(struct iio_channel *chan, int *val); /** + * iio_read_channel_average_raw() - read from a given channel + * @chan: The channel being queried. + * @val: Value read back. + * + * Note raw reads from iio channels are in adc counts and hence + * scale will need to be applied if standard units required. + * + * In opposit to the normal iio_read_channel_raw this function + * returns the average of multiple reads. + */ +int iio_read_channel_average_raw(struct iio_channel *chan, int *val); + +/** * iio_read_channel_processed() - read processed value from a given channel * @chan: The channel being queried. * @val: Value read back. diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index 5f2d00e7e488..ccde91725f98 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -177,6 +177,12 @@ struct iio_event_spec { * shift: Shift right by this before masking out * realbits. * endianness: little or big endian + * repeat: Number of times real/storage bits + * repeats. When the repeat element is + * more than 1, then the type element in + * sysfs will show a repeat value. + * Otherwise, the number of repetitions is + * omitted. * @info_mask_separate: What information is to be exported that is specific to * this channel. * @info_mask_shared_by_type: What information is to be exported that is shared @@ -219,6 +225,7 @@ struct iio_chan_spec { u8 realbits; u8 storagebits; u8 shift; + u8 repeat; enum iio_endian endianness; } scan_type; long info_mask_separate; @@ -288,6 +295,8 @@ static inline s64 iio_get_time_ns(void) #define INDIO_ALL_BUFFER_MODES \ (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE) +#define INDIO_MAX_RAW_ELEMENTS 4 + struct iio_trigger; /* forward declaration */ struct iio_dev; @@ -302,6 +311,14 @@ struct iio_dev; * the channel in question. Return value will specify the * type of value returned by the device. val and val2 will * contain the elements making up the returned value. + * @read_raw_multi: function to return values from the device. + * mask specifies which value. Note 0 means a reading of + * the channel in question. Return value will specify the + * type of value returned by the device. vals pointer + * contain the elements making up the returned value. + * max_len specifies maximum number of elements + * vals pointer can contain. val_len is used to return + * length of valid elements in vals. * @write_raw: function to write a value to the device. * Parameters are the same as for read_raw. * @write_raw_get_fmt: callback function to query the expected @@ -328,6 +345,13 @@ struct iio_info { int *val2, long mask); + int (*read_raw_multi)(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int max_len, + int *vals, + int *val_len, + long mask); + int (*write_raw)(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int val, diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index 084d882fe01b..d480631eabc2 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -53,6 +53,9 @@ enum iio_modifier { IIO_MOD_LIGHT_RED, IIO_MOD_LIGHT_GREEN, IIO_MOD_LIGHT_BLUE, + IIO_MOD_QUATERNION, + IIO_MOD_TEMP_AMBIENT, + IIO_MOD_TEMP_OBJECT, }; enum iio_event_type { @@ -79,6 +82,7 @@ enum iio_event_direction { #define IIO_VAL_INT_PLUS_MICRO 2 #define IIO_VAL_INT_PLUS_NANO 3 #define IIO_VAL_INT_PLUS_MICRO_DB 4 +#define IIO_VAL_INT_MULTIPLE 5 #define IIO_VAL_FRACTIONAL 10 #define IIO_VAL_FRACTIONAL_LOG2 11 diff --git a/include/linux/init.h b/include/linux/init.h index a3ba27076342..2df8e8dd10a4 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -297,16 +297,28 @@ void __init parse_early_options(char *cmdline); #else /* MODULE */ -/* Don't use these in loadable modules, but some people do... */ +/* + * In most cases loadable modules do not need custom + * initcall levels. There are still some valid cases where + * a driver may be needed early if built in, and does not + * matter when built as a loadable module. Like bus + * snooping debug drivers. + */ #define early_initcall(fn) module_init(fn) #define core_initcall(fn) module_init(fn) +#define core_initcall_sync(fn) module_init(fn) #define postcore_initcall(fn) module_init(fn) +#define postcore_initcall_sync(fn) module_init(fn) #define arch_initcall(fn) module_init(fn) #define subsys_initcall(fn) module_init(fn) +#define subsys_initcall_sync(fn) module_init(fn) #define fs_initcall(fn) module_init(fn) +#define fs_initcall_sync(fn) module_init(fn) #define rootfs_initcall(fn) module_init(fn) #define device_initcall(fn) module_init(fn) +#define device_initcall_sync(fn) module_init(fn) #define late_initcall(fn) module_init(fn) +#define late_initcall_sync(fn) module_init(fn) #define console_initcall(fn) module_init(fn) #define security_initcall(fn) module_init(fn) diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index c7bfac1c4a7b..698ad053d064 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -199,16 +199,6 @@ extern int check_wakeup_irqs(void); static inline int check_wakeup_irqs(void) { return 0; } #endif -#if defined(CONFIG_SMP) - -extern cpumask_var_t irq_default_affinity; - -extern int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask); -extern int irq_can_set_affinity(unsigned int irq); -extern int irq_select_affinity(unsigned int irq); - -extern int irq_set_affinity_hint(unsigned int irq, const struct cpumask *m); - /** * struct irq_affinity_notify - context for notification of IRQ affinity changes * @irq: Interrupt to which notification applies @@ -229,6 +219,49 @@ struct irq_affinity_notify { void (*release)(struct kref *ref); }; +#if defined(CONFIG_SMP) + +extern cpumask_var_t irq_default_affinity; + +/* Internal implementation. Use the helpers below */ +extern int __irq_set_affinity(unsigned int irq, const struct cpumask *cpumask, + bool force); + +/** + * irq_set_affinity - Set the irq affinity of a given irq + * @irq: Interrupt to set affinity + * @cpumask: cpumask + * + * Fails if cpumask does not contain an online CPU + */ +static inline int +irq_set_affinity(unsigned int irq, const struct cpumask *cpumask) +{ + return __irq_set_affinity(irq, cpumask, false); +} + +/** + * irq_force_affinity - Force the irq affinity of a given irq + * @irq: Interrupt to set affinity + * @cpumask: cpumask + * + * Same as irq_set_affinity, but without checking the mask against + * online cpus. + * + * Solely for low level cpu hotplug code, where we need to make per + * cpu interrupts affine before the cpu becomes online. + */ +static inline int +irq_force_affinity(unsigned int irq, const struct cpumask *cpumask) +{ + return __irq_set_affinity(irq, cpumask, true); +} + +extern int irq_can_set_affinity(unsigned int irq); +extern int irq_select_affinity(unsigned int irq); + +extern int irq_set_affinity_hint(unsigned int irq, const struct cpumask *m); + extern int irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify); @@ -239,6 +272,11 @@ static inline int irq_set_affinity(unsigned int irq, const struct cpumask *m) return -EINVAL; } +static inline int irq_force_affinity(unsigned int irq, const struct cpumask *cpumask) +{ + return 0; +} + static inline int irq_can_set_affinity(unsigned int irq) { return 0; @@ -251,6 +289,12 @@ static inline int irq_set_affinity_hint(unsigned int irq, { return -EINVAL; } + +static inline int +irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify *notify) +{ + return 0; +} #endif /* CONFIG_SMP */ /* @@ -453,7 +497,7 @@ static inline int tasklet_trylock(struct tasklet_struct *t) static inline void tasklet_unlock(struct tasklet_struct *t) { - smp_mb__before_clear_bit(); + smp_mb__before_atomic(); clear_bit(TASKLET_STATE_RUN, &(t)->state); } @@ -501,7 +545,7 @@ static inline void tasklet_hi_schedule_first(struct tasklet_struct *t) static inline void tasklet_disable_nosync(struct tasklet_struct *t) { atomic_inc(&t->count); - smp_mb__after_atomic_inc(); + smp_mb__after_atomic(); } static inline void tasklet_disable(struct tasklet_struct *t) @@ -513,13 +557,13 @@ static inline void tasklet_disable(struct tasklet_struct *t) static inline void tasklet_enable(struct tasklet_struct *t) { - smp_mb__before_atomic_dec(); + smp_mb__before_atomic(); atomic_dec(&t->count); } static inline void tasklet_hi_enable(struct tasklet_struct *t) { - smp_mb__before_atomic_dec(); + smp_mb__before_atomic(); atomic_dec(&t->count); } diff --git a/include/linux/ipmi.h b/include/linux/ipmi.h index 1f9f56e28851..76d2acbfa7c6 100644 --- a/include/linux/ipmi.h +++ b/include/linux/ipmi.h @@ -237,7 +237,7 @@ int ipmi_set_maintenance_mode(ipmi_user_t user, int mode); * The first user that sets this to TRUE will receive all events that * have been queued while no one was waiting for events. */ -int ipmi_set_gets_events(ipmi_user_t user, int val); +int ipmi_set_gets_events(ipmi_user_t user, bool val); /* * Called when a new SMI is registered. This will also be called on diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h index 8ea3fe0b9759..bd349240d50e 100644 --- a/include/linux/ipmi_smi.h +++ b/include/linux/ipmi_smi.h @@ -109,12 +109,19 @@ struct ipmi_smi_handlers { events from the BMC we are attached to. */ void (*request_events)(void *send_info); + /* Called by the upper layer when some user requires that the + interface watch for events, received messages, watchdog + pretimeouts, or not. Used by the SMI to know if it should + watch for these. This may be NULL if the SMI does not + implement it. */ + void (*set_need_watch)(void *send_info, bool enable); + /* Called when the interface should go into "run to completion" mode. If this call sets the value to true, the interface should make sure that all messages are flushed out and that none are pending, and any new requests are run to completion immediately. */ - void (*set_run_to_completion)(void *send_info, int run_to_completion); + void (*set_run_to_completion)(void *send_info, bool run_to_completion); /* Called to poll for work to do. This is so upper layers can poll for operations during things like crash dumps. */ @@ -125,7 +132,7 @@ struct ipmi_smi_handlers { setting. The message handler does the mode handling. Note that this is called from interrupt context, so it cannot block. */ - void (*set_maintenance_mode)(void *send_info, int enable); + void (*set_maintenance_mode)(void *send_info, bool enable); /* Tell the handler that we are using it/not using it. The message handler get the modules that this handler belongs diff --git a/include/linux/irq.h b/include/linux/irq.h index d278838908cb..0d998d8b01d8 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -394,7 +394,8 @@ extern void remove_percpu_irq(unsigned int irq, struct irqaction *act); extern void irq_cpu_online(void); extern void irq_cpu_offline(void); -extern int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *cpumask); +extern int irq_set_affinity_locked(struct irq_data *data, + const struct cpumask *cpumask, bool force); #if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_PENDING_IRQ) void irq_move_irq(struct irq_data *data); @@ -524,24 +525,6 @@ static inline void irq_set_percpu_devid_flags(unsigned int irq) IRQ_NOPROBE | IRQ_PER_CPU_DEVID); } -/* Handle dynamic irq creation and destruction */ -extern unsigned int create_irq_nr(unsigned int irq_want, int node); -extern unsigned int __create_irqs(unsigned int from, unsigned int count, - int node); -extern int create_irq(void); -extern void destroy_irq(unsigned int irq); -extern void destroy_irqs(unsigned int irq, unsigned int count); - -/* - * Dynamic irq helper functions. Obsolete. Use irq_alloc_desc* and - * irq_free_desc instead. - */ -extern void dynamic_irq_cleanup(unsigned int irq); -static inline void dynamic_irq_init(unsigned int irq) -{ - dynamic_irq_cleanup(irq); -} - /* Set/get chip/data for an IRQ: */ extern int irq_set_chip(unsigned int irq, struct irq_chip *chip); extern int irq_set_handler_data(unsigned int irq, void *data); @@ -602,6 +585,8 @@ static inline u32 irq_get_trigger_type(unsigned int irq) return d ? irqd_get_trigger_type(d) : 0; } +unsigned int arch_dynirq_lower_bound(unsigned int from); + int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node, struct module *owner); @@ -622,17 +607,29 @@ int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node, irq_alloc_descs(-1, from, cnt, node) void irq_free_descs(unsigned int irq, unsigned int cnt); -int irq_reserve_irqs(unsigned int from, unsigned int cnt); - static inline void irq_free_desc(unsigned int irq) { irq_free_descs(irq, 1); } -static inline int irq_reserve_irq(unsigned int irq) +#ifdef CONFIG_GENERIC_IRQ_LEGACY_ALLOC_HWIRQ +unsigned int irq_alloc_hwirqs(int cnt, int node); +static inline unsigned int irq_alloc_hwirq(int node) +{ + return irq_alloc_hwirqs(1, node); +} +void irq_free_hwirqs(unsigned int from, int cnt); +static inline void irq_free_hwirq(unsigned int irq) { - return irq_reserve_irqs(irq, 1); + return irq_free_hwirqs(irq, 1); } +int arch_setup_hwirq(unsigned int irq, int node); +void arch_teardown_hwirq(unsigned int irq); +#endif + +#ifdef CONFIG_GENERIC_IRQ_LEGACY +void irq_init_desc(unsigned int irq); +#endif #ifndef irq_reg_writel # define irq_reg_writel(val, addr) writel(val, addr) diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index 7ed92d0560d5..45e2d8c15bd2 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -21,6 +21,8 @@ #define GIC_CPU_ACTIVEPRIO 0xd0 #define GIC_CPU_IDENT 0xfc +#define GICC_IAR_INT_ID_MASK 0x3ff + #define GIC_DIST_CTRL 0x000 #define GIC_DIST_CTR 0x004 #define GIC_DIST_IGROUP 0x080 diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index 26e2661d3935..472c021a2d4f 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -27,6 +27,8 @@ struct irq_desc; * @irq_count: stats field to detect stalled irqs * @last_unhandled: aging timer for unhandled count * @irqs_unhandled: stats field for spurious unhandled interrupts + * @threads_handled: stats field for deferred spurious detection of threaded handlers + * @threads_handled_last: comparator field for deferred spurious detection of theraded handlers * @lock: locking for SMP * @affinity_hint: hint to user space for preferred irq affinity * @affinity_notify: context for notification of affinity changes @@ -52,6 +54,8 @@ struct irq_desc { unsigned int irq_count; /* For detecting broken IRQs */ unsigned long last_unhandled; /* Aging timer for unhandled count */ unsigned int irqs_unhandled; + atomic_t threads_handled; + int threads_handled_last; raw_spinlock_t lock; struct cpumask *percpu_enabled; #ifdef CONFIG_SMP diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 5c1dfb2a9e73..784304b222b3 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -69,6 +69,10 @@ struct static_key { # include <asm/jump_label.h> # define HAVE_JUMP_LABEL +#else +struct static_key { + atomic_t enabled; +}; #endif /* CC_HAVE_ASM_GOTO && CONFIG_JUMP_LABEL */ enum jump_label_type { @@ -79,6 +83,12 @@ enum jump_label_type { struct module; #include <linux/atomic.h> + +static inline int static_key_count(struct static_key *key) +{ + return atomic_read(&key->enabled); +} + #ifdef HAVE_JUMP_LABEL #define JUMP_LABEL_TYPE_FALSE_BRANCH 0UL @@ -134,10 +144,6 @@ extern void jump_label_apply_nops(struct module *mod); #else /* !HAVE_JUMP_LABEL */ -struct static_key { - atomic_t enabled; -}; - static __always_inline void jump_label_init(void) { static_key_initialized = true; @@ -145,14 +151,14 @@ static __always_inline void jump_label_init(void) static __always_inline bool static_key_false(struct static_key *key) { - if (unlikely(atomic_read(&key->enabled) > 0)) + if (unlikely(static_key_count(key) > 0)) return true; return false; } static __always_inline bool static_key_true(struct static_key *key) { - if (likely(atomic_read(&key->enabled) > 0)) + if (likely(static_key_count(key) > 0)) return true; return false; } @@ -194,7 +200,7 @@ static inline int jump_label_apply_nops(struct module *mod) static inline bool static_key_enabled(struct static_key *key) { - return (atomic_read(&key->enabled) > 0); + return static_key_count(key) > 0; } #endif /* _LINUX_JUMP_LABEL_H */ diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index b0122dc6f96a..17aa1cce6f8e 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -50,7 +50,24 @@ enum kernfs_node_flag { /* @flags for kernfs_create_root() */ enum kernfs_root_flag { - KERNFS_ROOT_CREATE_DEACTIVATED = 0x0001, + /* + * kernfs_nodes are created in the deactivated state and invisible. + * They require explicit kernfs_activate() to become visible. This + * can be used to make related nodes become visible atomically + * after all nodes are created successfully. + */ + KERNFS_ROOT_CREATE_DEACTIVATED = 0x0001, + + /* + * For regular flies, if the opener has CAP_DAC_OVERRIDE, open(2) + * succeeds regardless of the RW permissions. sysfs had an extra + * layer of enforcement where open(2) fails with -EACCES regardless + * of CAP_DAC_OVERRIDE if the permission doesn't have the + * respective read or write access at all (none of S_IRUGO or + * S_IWUGO) or the respective operation isn't implemented. The + * following flag enables that behavior. + */ + KERNFS_ROOT_EXTRA_OPEN_PERM_CHECK = 0x0002, }; /* type-specific structures for kernfs_node union members */ @@ -144,6 +161,10 @@ struct kernfs_root { /* private fields, do not use outside kernfs proper */ struct ida ino_ida; struct kernfs_syscall_ops *syscall_ops; + + /* list of kernfs_super_info of this root, protected by kernfs_mutex */ + struct list_head supers; + wait_queue_head_t deactivate_waitq; }; @@ -280,8 +301,8 @@ void kernfs_notify(struct kernfs_node *kn); const void *kernfs_super_ns(struct super_block *sb); struct dentry *kernfs_mount_ns(struct file_system_type *fs_type, int flags, - struct kernfs_root *root, bool *new_sb_created, - const void *ns); + struct kernfs_root *root, unsigned long magic, + bool *new_sb_created, const void *ns); void kernfs_kill_sb(struct super_block *sb); void kernfs_init(void); @@ -374,7 +395,8 @@ static inline const void *kernfs_super_ns(struct super_block *sb) static inline struct dentry * kernfs_mount_ns(struct file_system_type *fs_type, int flags, - struct kernfs_root *root, bool *new_sb_created, const void *ns) + struct kernfs_root *root, unsigned long magic, + bool *new_sb_created, const void *ns) { return ERR_PTR(-ENOSYS); } static inline void kernfs_kill_sb(struct super_block *sb) { } @@ -432,9 +454,11 @@ static inline int kernfs_rename(struct kernfs_node *kn, static inline struct dentry * kernfs_mount(struct file_system_type *fs_type, int flags, - struct kernfs_root *root, bool *new_sb_created) + struct kernfs_root *root, unsigned long magic, + bool *new_sb_created) { - return kernfs_mount_ns(fs_type, flags, root, new_sb_created, NULL); + return kernfs_mount_ns(fs_type, flags, root, + magic, new_sb_created, NULL); } #endif /* __LINUX_KERNFS_H */ diff --git a/include/linux/kobject.h b/include/linux/kobject.h index f896a33e8341..2d61b909f414 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -32,8 +32,10 @@ #define UEVENT_NUM_ENVP 32 /* number of env pointers */ #define UEVENT_BUFFER_SIZE 2048 /* buffer for the variables */ +#ifdef CONFIG_UEVENT_HELPER /* path to the userspace helper executed on an event */ extern char uevent_helper[]; +#endif /* counter to tag the uevent, read only except for the kobject core */ extern u64 uevent_seqnum; diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 7d21cf9f4380..970c68197c69 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -134,6 +134,8 @@ static inline bool is_error_page(struct page *page) #define KVM_REQ_EPR_EXIT 20 #define KVM_REQ_SCAN_IOAPIC 21 #define KVM_REQ_GLOBAL_CLOCK_UPDATE 22 +#define KVM_REQ_ENABLE_IBS 23 +#define KVM_REQ_DISABLE_IBS 24 #define KVM_USERSPACE_IRQ_SOURCE_ID 0 #define KVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID 1 @@ -163,6 +165,7 @@ enum kvm_bus { KVM_MMIO_BUS, KVM_PIO_BUS, KVM_VIRTIO_CCW_NOTIFY_BUS, + KVM_FAST_MMIO_BUS, KVM_NR_BUSES }; @@ -367,6 +370,7 @@ struct kvm { struct mm_struct *mm; /* userspace tied to this vm */ struct kvm_memslots *memslots; struct srcu_struct srcu; + struct srcu_struct irq_srcu; #ifdef CONFIG_KVM_APIC_ARCHITECTURE u32 bsp_vcpu_id; #endif @@ -410,9 +414,7 @@ struct kvm { unsigned long mmu_notifier_seq; long mmu_notifier_count; #endif - /* Protected by mmu_lock */ - bool tlbs_dirty; - + long tlbs_dirty; struct list_head devices; }; @@ -879,6 +881,13 @@ static inline hpa_t pfn_to_hpa(pfn_t pfn) return (hpa_t)pfn << PAGE_SHIFT; } +static inline bool kvm_is_error_gpa(struct kvm *kvm, gpa_t gpa) +{ + unsigned long hva = gfn_to_hva(kvm, gpa_to_gfn(gpa)); + + return kvm_is_error_hva(hva); +} + static inline void kvm_migrate_timers(struct kvm_vcpu *vcpu) { set_bit(KVM_REQ_MIGRATE_TIMER, &vcpu->requests); diff --git a/include/linux/libata.h b/include/linux/libata.h index 1de36be64df4..5ab4e3a76721 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -822,6 +822,7 @@ struct ata_port { unsigned long qc_allocated; unsigned int qc_active; int nr_active_links; /* #links with active qcs */ + unsigned int last_tag; /* track next tag hw expects */ struct ata_link link; /* host default link */ struct ata_link *slave_link; /* see ata_slave_link_init() */ diff --git a/include/linux/linkage.h b/include/linux/linkage.h index 34a513a2727b..a6a42dd02466 100644 --- a/include/linux/linkage.h +++ b/include/linux/linkage.h @@ -12,9 +12,9 @@ #endif #ifdef __cplusplus -#define CPP_ASMLINKAGE extern "C" __visible +#define CPP_ASMLINKAGE extern "C" #else -#define CPP_ASMLINKAGE __visible +#define CPP_ASMLINKAGE #endif #ifndef asmlinkage diff --git a/include/linux/mbus.h b/include/linux/mbus.h index 345b8c53b897..550c88fb0267 100644 --- a/include/linux/mbus.h +++ b/include/linux/mbus.h @@ -73,6 +73,6 @@ int mvebu_mbus_del_window(phys_addr_t base, size_t size); int mvebu_mbus_init(const char *soc, phys_addr_t mbus_phys_base, size_t mbus_size, phys_addr_t sdram_phys_base, size_t sdram_size); -int mvebu_mbus_dt_init(void); +int mvebu_mbus_dt_init(bool is_coherent); #endif /* __LINUX_MBUS_H */ diff --git a/include/linux/mcb.h b/include/linux/mcb.h index 2db284d14064..ed06e15a36aa 100644 --- a/include/linux/mcb.h +++ b/include/linux/mcb.h @@ -16,6 +16,7 @@ #include <linux/irqreturn.h> struct mcb_driver; +struct mcb_device; /** * struct mcb_bus - MEN Chameleon Bus @@ -23,11 +24,14 @@ struct mcb_driver; * @dev: pointer to carrier device * @children: the child busses * @bus_nr: mcb bus number + * @get_irq: callback to get IRQ number */ struct mcb_bus { struct list_head children; struct device dev; + struct device *carrier; int bus_nr; + int (*get_irq)(struct mcb_device *dev); }; #define to_mcb_bus(b) container_of((b), struct mcb_bus, dev) @@ -105,7 +109,7 @@ extern void mcb_unregister_driver(struct mcb_driver *driver); module_driver(__mcb_driver, mcb_register_driver, mcb_unregister_driver); extern void mcb_bus_add_devices(const struct mcb_bus *bus); extern int mcb_device_register(struct mcb_bus *bus, struct mcb_device *dev); -extern struct mcb_bus *mcb_alloc_bus(void); +extern struct mcb_bus *mcb_alloc_bus(struct device *carrier); extern struct mcb_bus *mcb_bus_get(struct mcb_bus *bus); extern void mcb_bus_put(struct mcb_bus *bus); extern struct mcb_device *mcb_alloc_dev(struct mcb_bus *bus); diff --git a/include/linux/mdio-gpio.h b/include/linux/mdio-gpio.h index 7c9fe3c2be73..66c30a763b10 100644 --- a/include/linux/mdio-gpio.h +++ b/include/linux/mdio-gpio.h @@ -17,6 +17,11 @@ struct mdio_gpio_platform_data { /* GPIO numbers for bus pins */ unsigned int mdc; unsigned int mdio; + unsigned int mdo; + + bool mdc_active_low; + bool mdio_active_low; + bool mdo_active_low; unsigned int phy_mask; int irqs[PHY_MAX_ADDR]; diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 8a20a51ed42d..b660e05b63d4 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -18,6 +18,7 @@ #include <linux/mm.h> #define INIT_MEMBLOCK_REGIONS 128 +#define INIT_PHYSMEM_REGIONS 4 /* Definition of memblock flags. */ #define MEMBLOCK_HOTPLUG 0x1 /* hotpluggable region */ @@ -43,6 +44,9 @@ struct memblock { phys_addr_t current_limit; struct memblock_type memory; struct memblock_type reserved; +#ifdef CONFIG_HAVE_MEMBLOCK_PHYS_MAP + struct memblock_type physmem; +#endif }; extern struct memblock memblock; @@ -71,6 +75,63 @@ int memblock_reserve(phys_addr_t base, phys_addr_t size); void memblock_trim_memory(phys_addr_t align); int memblock_mark_hotplug(phys_addr_t base, phys_addr_t size); int memblock_clear_hotplug(phys_addr_t base, phys_addr_t size); + +/* Low level functions */ +int memblock_add_range(struct memblock_type *type, + phys_addr_t base, phys_addr_t size, + int nid, unsigned long flags); + +int memblock_remove_range(struct memblock_type *type, + phys_addr_t base, + phys_addr_t size); + +void __next_mem_range(u64 *idx, int nid, struct memblock_type *type_a, + struct memblock_type *type_b, phys_addr_t *out_start, + phys_addr_t *out_end, int *out_nid); + +void __next_mem_range_rev(u64 *idx, int nid, struct memblock_type *type_a, + struct memblock_type *type_b, phys_addr_t *out_start, + phys_addr_t *out_end, int *out_nid); + +/** + * for_each_mem_range - iterate through memblock areas from type_a and not + * included in type_b. Or just type_a if type_b is NULL. + * @i: u64 used as loop variable + * @type_a: ptr to memblock_type to iterate + * @type_b: ptr to memblock_type which excludes from the iteration + * @nid: node selector, %NUMA_NO_NODE for all nodes + * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL + * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL + * @p_nid: ptr to int for nid of the range, can be %NULL + */ +#define for_each_mem_range(i, type_a, type_b, nid, \ + p_start, p_end, p_nid) \ + for (i = 0, __next_mem_range(&i, nid, type_a, type_b, \ + p_start, p_end, p_nid); \ + i != (u64)ULLONG_MAX; \ + __next_mem_range(&i, nid, type_a, type_b, \ + p_start, p_end, p_nid)) + +/** + * for_each_mem_range_rev - reverse iterate through memblock areas from + * type_a and not included in type_b. Or just type_a if type_b is NULL. + * @i: u64 used as loop variable + * @type_a: ptr to memblock_type to iterate + * @type_b: ptr to memblock_type which excludes from the iteration + * @nid: node selector, %NUMA_NO_NODE for all nodes + * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL + * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL + * @p_nid: ptr to int for nid of the range, can be %NULL + */ +#define for_each_mem_range_rev(i, type_a, type_b, nid, \ + p_start, p_end, p_nid) \ + for (i = (u64)ULLONG_MAX, \ + __next_mem_range_rev(&i, nid, type_a, type_b, \ + p_start, p_end, p_nid); \ + i != (u64)ULLONG_MAX; \ + __next_mem_range_rev(&i, nid, type_a, type_b, \ + p_start, p_end, p_nid)) + #ifdef CONFIG_MOVABLE_NODE static inline bool memblock_is_hotpluggable(struct memblock_region *m) { @@ -113,9 +174,6 @@ void __next_mem_pfn_range(int *idx, int nid, unsigned long *out_start_pfn, i >= 0; __next_mem_pfn_range(&i, nid, p_start, p_end, p_nid)) #endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */ -void __next_free_mem_range(u64 *idx, int nid, phys_addr_t *out_start, - phys_addr_t *out_end, int *out_nid); - /** * for_each_free_mem_range - iterate through free memblock areas * @i: u64 used as loop variable @@ -128,13 +186,8 @@ void __next_free_mem_range(u64 *idx, int nid, phys_addr_t *out_start, * soon as memblock is initialized. */ #define for_each_free_mem_range(i, nid, p_start, p_end, p_nid) \ - for (i = 0, \ - __next_free_mem_range(&i, nid, p_start, p_end, p_nid); \ - i != (u64)ULLONG_MAX; \ - __next_free_mem_range(&i, nid, p_start, p_end, p_nid)) - -void __next_free_mem_range_rev(u64 *idx, int nid, phys_addr_t *out_start, - phys_addr_t *out_end, int *out_nid); + for_each_mem_range(i, &memblock.memory, &memblock.reserved, \ + nid, p_start, p_end, p_nid) /** * for_each_free_mem_range_reverse - rev-iterate through free memblock areas @@ -148,10 +201,8 @@ void __next_free_mem_range_rev(u64 *idx, int nid, phys_addr_t *out_start, * order. Available as soon as memblock is initialized. */ #define for_each_free_mem_range_reverse(i, nid, p_start, p_end, p_nid) \ - for (i = (u64)ULLONG_MAX, \ - __next_free_mem_range_rev(&i, nid, p_start, p_end, p_nid); \ - i != (u64)ULLONG_MAX; \ - __next_free_mem_range_rev(&i, nid, p_start, p_end, p_nid)) + for_each_mem_range_rev(i, &memblock.memory, &memblock.reserved, \ + nid, p_start, p_end, p_nid) static inline void memblock_set_region_flags(struct memblock_region *r, unsigned long flags) @@ -221,6 +272,8 @@ static inline bool memblock_bottom_up(void) { return false; } #define MEMBLOCK_ALLOC_ANYWHERE (~(phys_addr_t)0) #define MEMBLOCK_ALLOC_ACCESSIBLE 0 +phys_addr_t __init memblock_alloc_range(phys_addr_t size, phys_addr_t align, + phys_addr_t start, phys_addr_t end); phys_addr_t memblock_alloc_base(phys_addr_t size, phys_addr_t align, phys_addr_t max_addr); phys_addr_t __memblock_alloc_base(phys_addr_t size, phys_addr_t align, diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index b569b8be5c5a..eb65d29516ca 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -492,13 +492,9 @@ void __memcg_kmem_uncharge_pages(struct page *page, int order); int memcg_cache_id(struct mem_cgroup *memcg); -char *memcg_create_cache_name(struct mem_cgroup *memcg, - struct kmem_cache *root_cache); int memcg_alloc_cache_params(struct mem_cgroup *memcg, struct kmem_cache *s, struct kmem_cache *root_cache); void memcg_free_cache_params(struct kmem_cache *s); -void memcg_register_cache(struct kmem_cache *s); -void memcg_unregister_cache(struct kmem_cache *s); int memcg_update_cache_size(struct kmem_cache *s, int num_groups); void memcg_update_array_size(int num_groups); @@ -506,8 +502,10 @@ void memcg_update_array_size(int num_groups); struct kmem_cache * __memcg_kmem_get_cache(struct kmem_cache *cachep, gfp_t gfp); -void mem_cgroup_destroy_cache(struct kmem_cache *cachep); -int __kmem_cache_destroy_memcg_children(struct kmem_cache *s); +int __memcg_charge_slab(struct kmem_cache *cachep, gfp_t gfp, int order); +void __memcg_uncharge_slab(struct kmem_cache *cachep, int order); + +int __memcg_cleanup_cache_params(struct kmem_cache *s); /** * memcg_kmem_newpage_charge: verify if a new kmem allocation is allowed. @@ -534,7 +532,7 @@ memcg_kmem_newpage_charge(gfp_t gfp, struct mem_cgroup **memcg, int order) * res_counter_charge_nofail, but we hope those allocations are rare, * and won't be worth the trouble. */ - if (!(gfp & __GFP_KMEMCG) || (gfp & __GFP_NOFAIL)) + if (gfp & __GFP_NOFAIL) return true; if (in_interrupt() || (!current->mm) || (current->flags & PF_KTHREAD)) return true; @@ -583,17 +581,7 @@ memcg_kmem_commit_charge(struct page *page, struct mem_cgroup *memcg, int order) * @cachep: the original global kmem cache * @gfp: allocation flags. * - * This function assumes that the task allocating, which determines the memcg - * in the page allocator, belongs to the same cgroup throughout the whole - * process. Misacounting can happen if the task calls memcg_kmem_get_cache() - * while belonging to a cgroup, and later on changes. This is considered - * acceptable, and should only happen upon task migration. - * - * Before the cache is created by the memcg core, there is also a possible - * imbalance: the task belongs to a memcg, but the cache being allocated from - * is the global cache, since the child cache is not yet guaranteed to be - * ready. This case is also fine, since in this case the GFP_KMEMCG will not be - * passed and the page allocator will not attempt any cgroup accounting. + * All memory allocated from a per-memcg cache is charged to the owner memcg. */ static __always_inline struct kmem_cache * memcg_kmem_get_cache(struct kmem_cache *cachep, gfp_t gfp) @@ -648,14 +636,6 @@ static inline void memcg_free_cache_params(struct kmem_cache *s) { } -static inline void memcg_register_cache(struct kmem_cache *s) -{ -} - -static inline void memcg_unregister_cache(struct kmem_cache *s) -{ -} - static inline struct kmem_cache * memcg_kmem_get_cache(struct kmem_cache *cachep, gfp_t gfp) { diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 4ca3d951fe91..010d125bffbf 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -187,14 +187,8 @@ extern void put_page_bootmem(struct page *page); extern void get_page_bootmem(unsigned long ingo, struct page *page, unsigned long type); -/* - * Lock for memory hotplug guarantees 1) all callbacks for memory hotplug - * notifier will be called under this. 2) offline/online/add/remove memory - * will not run simultaneously. - */ - -void lock_memory_hotplug(void); -void unlock_memory_hotplug(void); +void get_online_mems(void); +void put_online_mems(void); #else /* ! CONFIG_MEMORY_HOTPLUG */ /* @@ -232,8 +226,8 @@ static inline int try_online_node(int nid) return 0; } -static inline void lock_memory_hotplug(void) {} -static inline void unlock_memory_hotplug(void) {} +static inline void get_online_mems(void) {} +static inline void put_online_mems(void) {} #endif /* ! CONFIG_MEMORY_HOTPLUG */ diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index 3c1b968da0ca..f230a978e6ba 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -175,6 +175,12 @@ static inline int vma_migratable(struct vm_area_struct *vma) { if (vma->vm_flags & (VM_IO | VM_PFNMAP)) return 0; + +#ifndef CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION + if (vma->vm_flags & VM_HUGETLB) + return 0; +#endif + /* * Migration allocates pages in the highest zone. If we cannot * do so then migration (at least from node to node) is not diff --git a/include/linux/mfd/arizona/core.h b/include/linux/mfd/arizona/core.h index 5cf8b91ce996..6d9371f88875 100644 --- a/include/linux/mfd/arizona/core.h +++ b/include/linux/mfd/arizona/core.h @@ -124,4 +124,7 @@ int wm5102_patch(struct arizona *arizona); int wm5110_patch(struct arizona *arizona); int wm8997_patch(struct arizona *arizona); +extern int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop, + bool mandatory); + #endif diff --git a/include/linux/mfd/bcm590xx.h b/include/linux/mfd/bcm590xx.h index 434df2d4e587..267aedee1c7a 100644 --- a/include/linux/mfd/bcm590xx.h +++ b/include/linux/mfd/bcm590xx.h @@ -19,12 +19,15 @@ #include <linux/regmap.h> /* max register address */ -#define BCM590XX_MAX_REGISTER 0xe7 +#define BCM590XX_MAX_REGISTER_PRI 0xe7 +#define BCM590XX_MAX_REGISTER_SEC 0xf0 struct bcm590xx { struct device *dev; - struct i2c_client *i2c_client; - struct regmap *regmap; + struct i2c_client *i2c_pri; + struct i2c_client *i2c_sec; + struct regmap *regmap_pri; + struct regmap *regmap_sec; unsigned int id; }; diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h index bdba8c61207b..f543de91ce19 100644 --- a/include/linux/mfd/core.h +++ b/include/linux/mfd/core.h @@ -63,7 +63,7 @@ struct mfd_cell { /* A list of regulator supplies that should be mapped to the MFD * device rather than the child device when requested */ - const char **parent_supplies; + const char * const *parent_supplies; int num_parent_supplies; }; diff --git a/include/linux/mfd/max14577-private.h b/include/linux/mfd/max14577-private.h index c9b332fb0d5d..499253604026 100644 --- a/include/linux/mfd/max14577-private.h +++ b/include/linux/mfd/max14577-private.h @@ -1,7 +1,7 @@ /* - * max14577-private.h - Common API for the Maxim 14577 internal sub chip + * max14577-private.h - Common API for the Maxim 14577/77836 internal sub chip * - * Copyright (C) 2013 Samsung Electrnoics + * Copyright (C) 2014 Samsung Electrnoics * Chanwoo Choi <cw00.choi@samsung.com> * Krzysztof Kozlowski <k.kozlowski@samsung.com> * @@ -22,9 +22,19 @@ #include <linux/i2c.h> #include <linux/regmap.h> -#define MAX14577_REG_INVALID (0xff) +#define I2C_ADDR_PMIC (0x46 >> 1) +#define I2C_ADDR_MUIC (0x4A >> 1) +#define I2C_ADDR_FG (0x6C >> 1) -/* Slave addr = 0x4A: Interrupt */ +enum maxim_device_type { + MAXIM_DEVICE_TYPE_UNKNOWN = 0, + MAXIM_DEVICE_TYPE_MAX14577, + MAXIM_DEVICE_TYPE_MAX77836, + + MAXIM_DEVICE_TYPE_NUM, +}; + +/* Slave addr = 0x4A: MUIC and Charger */ enum max14577_reg { MAX14577_REG_DEVICEID = 0x00, MAX14577_REG_INT1 = 0x01, @@ -74,20 +84,22 @@ enum max14577_muic_charger_type { }; /* MAX14577 interrupts */ -#define INT1_ADC_MASK (0x1 << 0) -#define INT1_ADCLOW_MASK (0x1 << 1) -#define INT1_ADCERR_MASK (0x1 << 2) - -#define INT2_CHGTYP_MASK (0x1 << 0) -#define INT2_CHGDETRUN_MASK (0x1 << 1) -#define INT2_DCDTMR_MASK (0x1 << 2) -#define INT2_DBCHG_MASK (0x1 << 3) -#define INT2_VBVOLT_MASK (0x1 << 4) - -#define INT3_EOC_MASK (0x1 << 0) -#define INT3_CGMBC_MASK (0x1 << 1) -#define INT3_OVP_MASK (0x1 << 2) -#define INT3_MBCCHGERR_MASK (0x1 << 3) +#define MAX14577_INT1_ADC_MASK BIT(0) +#define MAX14577_INT1_ADCLOW_MASK BIT(1) +#define MAX14577_INT1_ADCERR_MASK BIT(2) +#define MAX77836_INT1_ADC1K_MASK BIT(3) + +#define MAX14577_INT2_CHGTYP_MASK BIT(0) +#define MAX14577_INT2_CHGDETRUN_MASK BIT(1) +#define MAX14577_INT2_DCDTMR_MASK BIT(2) +#define MAX14577_INT2_DBCHG_MASK BIT(3) +#define MAX14577_INT2_VBVOLT_MASK BIT(4) +#define MAX77836_INT2_VIDRM_MASK BIT(5) + +#define MAX14577_INT3_EOC_MASK BIT(0) +#define MAX14577_INT3_CGMBC_MASK BIT(1) +#define MAX14577_INT3_OVP_MASK BIT(2) +#define MAX14577_INT3_MBCCHGERR_MASK BIT(3) /* MAX14577 DEVICE ID register */ #define DEVID_VENDORID_SHIFT 0 @@ -99,9 +111,11 @@ enum max14577_muic_charger_type { #define STATUS1_ADC_SHIFT 0 #define STATUS1_ADCLOW_SHIFT 5 #define STATUS1_ADCERR_SHIFT 6 +#define MAX77836_STATUS1_ADC1K_SHIFT 7 #define STATUS1_ADC_MASK (0x1f << STATUS1_ADC_SHIFT) -#define STATUS1_ADCLOW_MASK (0x1 << STATUS1_ADCLOW_SHIFT) -#define STATUS1_ADCERR_MASK (0x1 << STATUS1_ADCERR_SHIFT) +#define STATUS1_ADCLOW_MASK BIT(STATUS1_ADCLOW_SHIFT) +#define STATUS1_ADCERR_MASK BIT(STATUS1_ADCERR_SHIFT) +#define MAX77836_STATUS1_ADC1K_MASK BIT(MAX77836_STATUS1_ADC1K_SHIFT) /* MAX14577 STATUS2 register */ #define STATUS2_CHGTYP_SHIFT 0 @@ -109,11 +123,13 @@ enum max14577_muic_charger_type { #define STATUS2_DCDTMR_SHIFT 4 #define STATUS2_DBCHG_SHIFT 5 #define STATUS2_VBVOLT_SHIFT 6 +#define MAX77836_STATUS2_VIDRM_SHIFT 7 #define STATUS2_CHGTYP_MASK (0x7 << STATUS2_CHGTYP_SHIFT) -#define STATUS2_CHGDETRUN_MASK (0x1 << STATUS2_CHGDETRUN_SHIFT) -#define STATUS2_DCDTMR_MASK (0x1 << STATUS2_DCDTMR_SHIFT) -#define STATUS2_DBCHG_MASK (0x1 << STATUS2_DBCHG_SHIFT) -#define STATUS2_VBVOLT_MASK (0x1 << STATUS2_VBVOLT_SHIFT) +#define STATUS2_CHGDETRUN_MASK BIT(STATUS2_CHGDETRUN_SHIFT) +#define STATUS2_DCDTMR_MASK BIT(STATUS2_DCDTMR_SHIFT) +#define STATUS2_DBCHG_MASK BIT(STATUS2_DBCHG_SHIFT) +#define STATUS2_VBVOLT_MASK BIT(STATUS2_VBVOLT_SHIFT) +#define MAX77836_STATUS2_VIDRM_MASK BIT(MAX77836_STATUS2_VIDRM_SHIFT) /* MAX14577 CONTROL1 register */ #define COMN1SW_SHIFT 0 @@ -122,8 +138,8 @@ enum max14577_muic_charger_type { #define IDBEN_SHIFT 7 #define COMN1SW_MASK (0x7 << COMN1SW_SHIFT) #define COMP2SW_MASK (0x7 << COMP2SW_SHIFT) -#define MICEN_MASK (0x1 << MICEN_SHIFT) -#define IDBEN_MASK (0x1 << IDBEN_SHIFT) +#define MICEN_MASK BIT(MICEN_SHIFT) +#define IDBEN_MASK BIT(IDBEN_SHIFT) #define CLEAR_IDBEN_MICEN_MASK (COMN1SW_MASK | COMP2SW_MASK) #define CTRL1_SW_USB ((1 << COMP2SW_SHIFT) \ | (1 << COMN1SW_SHIFT)) @@ -143,14 +159,14 @@ enum max14577_muic_charger_type { #define CTRL2_ACCDET_SHIFT (5) #define CTRL2_USBCPINT_SHIFT (6) #define CTRL2_RCPS_SHIFT (7) -#define CTRL2_LOWPWR_MASK (0x1 << CTRL2_LOWPWR_SHIFT) -#define CTRL2_ADCEN_MASK (0x1 << CTRL2_ADCEN_SHIFT) -#define CTRL2_CPEN_MASK (0x1 << CTRL2_CPEN_SHIFT) -#define CTRL2_SFOUTASRT_MASK (0x1 << CTRL2_SFOUTASRT_SHIFT) -#define CTRL2_SFOUTORD_MASK (0x1 << CTRL2_SFOUTORD_SHIFT) -#define CTRL2_ACCDET_MASK (0x1 << CTRL2_ACCDET_SHIFT) -#define CTRL2_USBCPINT_MASK (0x1 << CTRL2_USBCPINT_SHIFT) -#define CTRL2_RCPS_MASK (0x1 << CTR2_RCPS_SHIFT) +#define CTRL2_LOWPWR_MASK BIT(CTRL2_LOWPWR_SHIFT) +#define CTRL2_ADCEN_MASK BIT(CTRL2_ADCEN_SHIFT) +#define CTRL2_CPEN_MASK BIT(CTRL2_CPEN_SHIFT) +#define CTRL2_SFOUTASRT_MASK BIT(CTRL2_SFOUTASRT_SHIFT) +#define CTRL2_SFOUTORD_MASK BIT(CTRL2_SFOUTORD_SHIFT) +#define CTRL2_ACCDET_MASK BIT(CTRL2_ACCDET_SHIFT) +#define CTRL2_USBCPINT_MASK BIT(CTRL2_USBCPINT_SHIFT) +#define CTRL2_RCPS_MASK BIT(CTRL2_RCPS_SHIFT) #define CTRL2_CPEN1_LOWPWR0 ((1 << CTRL2_CPEN_SHIFT) | \ (0 << CTRL2_LOWPWR_SHIFT)) @@ -198,14 +214,14 @@ enum max14577_charger_reg { #define CDETCTRL1_DBEXIT_SHIFT 5 #define CDETCTRL1_DBIDLE_SHIFT 6 #define CDETCTRL1_CDPDET_SHIFT 7 -#define CDETCTRL1_CHGDETEN_MASK (0x1 << CDETCTRL1_CHGDETEN_SHIFT) -#define CDETCTRL1_CHGTYPMAN_MASK (0x1 << CDETCTRL1_CHGTYPMAN_SHIFT) -#define CDETCTRL1_DCDEN_MASK (0x1 << CDETCTRL1_DCDEN_SHIFT) -#define CDETCTRL1_DCD2SCT_MASK (0x1 << CDETCTRL1_DCD2SCT_SHIFT) -#define CDETCTRL1_DCHKTM_MASK (0x1 << CDETCTRL1_DCHKTM_SHIFT) -#define CDETCTRL1_DBEXIT_MASK (0x1 << CDETCTRL1_DBEXIT_SHIFT) -#define CDETCTRL1_DBIDLE_MASK (0x1 << CDETCTRL1_DBIDLE_SHIFT) -#define CDETCTRL1_CDPDET_MASK (0x1 << CDETCTRL1_CDPDET_SHIFT) +#define CDETCTRL1_CHGDETEN_MASK BIT(CDETCTRL1_CHGDETEN_SHIFT) +#define CDETCTRL1_CHGTYPMAN_MASK BIT(CDETCTRL1_CHGTYPMAN_SHIFT) +#define CDETCTRL1_DCDEN_MASK BIT(CDETCTRL1_DCDEN_SHIFT) +#define CDETCTRL1_DCD2SCT_MASK BIT(CDETCTRL1_DCD2SCT_SHIFT) +#define CDETCTRL1_DCHKTM_MASK BIT(CDETCTRL1_DCHKTM_SHIFT) +#define CDETCTRL1_DBEXIT_MASK BIT(CDETCTRL1_DBEXIT_SHIFT) +#define CDETCTRL1_DBIDLE_MASK BIT(CDETCTRL1_DBIDLE_SHIFT) +#define CDETCTRL1_CDPDET_MASK BIT(CDETCTRL1_CDPDET_SHIFT) /* MAX14577 CHGCTRL1 register */ #define CHGCTRL1_TCHW_SHIFT 4 @@ -213,9 +229,9 @@ enum max14577_charger_reg { /* MAX14577 CHGCTRL2 register */ #define CHGCTRL2_MBCHOSTEN_SHIFT 6 -#define CHGCTRL2_MBCHOSTEN_MASK (0x1 << CHGCTRL2_MBCHOSTEN_SHIFT) +#define CHGCTRL2_MBCHOSTEN_MASK BIT(CHGCTRL2_MBCHOSTEN_SHIFT) #define CHGCTRL2_VCHGR_RC_SHIFT 7 -#define CHGCTRL2_VCHGR_RC_MASK (0x1 << CHGCTRL2_VCHGR_RC_SHIFT) +#define CHGCTRL2_VCHGR_RC_MASK BIT(CHGCTRL2_VCHGR_RC_SHIFT) /* MAX14577 CHGCTRL3 register */ #define CHGCTRL3_MBCCVWRC_SHIFT 0 @@ -225,7 +241,7 @@ enum max14577_charger_reg { #define CHGCTRL4_MBCICHWRCH_SHIFT 0 #define CHGCTRL4_MBCICHWRCH_MASK (0xf << CHGCTRL4_MBCICHWRCH_SHIFT) #define CHGCTRL4_MBCICHWRCL_SHIFT 4 -#define CHGCTRL4_MBCICHWRCL_MASK (0x1 << CHGCTRL4_MBCICHWRCL_SHIFT) +#define CHGCTRL4_MBCICHWRCL_MASK BIT(CHGCTRL4_MBCICHWRCL_SHIFT) /* MAX14577 CHGCTRL5 register */ #define CHGCTRL5_EOCS_SHIFT 0 @@ -233,7 +249,7 @@ enum max14577_charger_reg { /* MAX14577 CHGCTRL6 register */ #define CHGCTRL6_AUTOSTOP_SHIFT 5 -#define CHGCTRL6_AUTOSTOP_MASK (0x1 << CHGCTRL6_AUTOSTOP_SHIFT) +#define CHGCTRL6_AUTOSTOP_MASK BIT(CHGCTRL6_AUTOSTOP_SHIFT) /* MAX14577 CHGCTRL7 register */ #define CHGCTRL7_OTPCGHCVS_SHIFT 0 @@ -245,14 +261,111 @@ enum max14577_charger_reg { #define MAX14577_REGULATOR_CURRENT_LIMIT_HIGH_STEP 50000 #define MAX14577_REGULATOR_CURRENT_LIMIT_MAX 950000 +/* MAX77836 regulator current limits (as in CHGCTRL4 register), uA */ +#define MAX77836_REGULATOR_CURRENT_LIMIT_MIN 45000 +#define MAX77836_REGULATOR_CURRENT_LIMIT_HIGH_START 100000 +#define MAX77836_REGULATOR_CURRENT_LIMIT_HIGH_STEP 25000 +#define MAX77836_REGULATOR_CURRENT_LIMIT_MAX 475000 + /* MAX14577 regulator SFOUT LDO voltage, fixed, uV */ #define MAX14577_REGULATOR_SAFEOUT_VOLTAGE 4900000 +/* MAX77836 regulator LDOx voltage, uV */ +#define MAX77836_REGULATOR_LDO_VOLTAGE_MIN 800000 +#define MAX77836_REGULATOR_LDO_VOLTAGE_MAX 3950000 +#define MAX77836_REGULATOR_LDO_VOLTAGE_STEP 50000 +#define MAX77836_REGULATOR_LDO_VOLTAGE_STEPS_NUM 64 + +/* Slave addr = 0x46: PMIC */ +enum max77836_pmic_reg { + MAX77836_PMIC_REG_PMIC_ID = 0x20, + MAX77836_PMIC_REG_PMIC_REV = 0x21, + MAX77836_PMIC_REG_INTSRC = 0x22, + MAX77836_PMIC_REG_INTSRC_MASK = 0x23, + MAX77836_PMIC_REG_TOPSYS_INT = 0x24, + MAX77836_PMIC_REG_TOPSYS_INT_MASK = 0x26, + MAX77836_PMIC_REG_TOPSYS_STAT = 0x28, + MAX77836_PMIC_REG_MRSTB_CNTL = 0x2A, + MAX77836_PMIC_REG_LSCNFG = 0x2B, + + MAX77836_LDO_REG_CNFG1_LDO1 = 0x51, + MAX77836_LDO_REG_CNFG2_LDO1 = 0x52, + MAX77836_LDO_REG_CNFG1_LDO2 = 0x53, + MAX77836_LDO_REG_CNFG2_LDO2 = 0x54, + MAX77836_LDO_REG_CNFG_LDO_BIAS = 0x55, + + MAX77836_COMP_REG_COMP1 = 0x60, + + MAX77836_PMIC_REG_END, +}; + +#define MAX77836_INTSRC_MASK_TOP_INT_SHIFT 1 +#define MAX77836_INTSRC_MASK_MUIC_CHG_INT_SHIFT 3 +#define MAX77836_INTSRC_MASK_TOP_INT_MASK BIT(MAX77836_INTSRC_MASK_TOP_INT_SHIFT) +#define MAX77836_INTSRC_MASK_MUIC_CHG_INT_MASK BIT(MAX77836_INTSRC_MASK_MUIC_CHG_INT_SHIFT) + +/* MAX77836 PMIC interrupts */ +#define MAX77836_TOPSYS_INT_T120C_SHIFT 0 +#define MAX77836_TOPSYS_INT_T140C_SHIFT 1 +#define MAX77836_TOPSYS_INT_T120C_MASK BIT(MAX77836_TOPSYS_INT_T120C_SHIFT) +#define MAX77836_TOPSYS_INT_T140C_MASK BIT(MAX77836_TOPSYS_INT_T140C_SHIFT) + +/* LDO1/LDO2 CONFIG1 register */ +#define MAX77836_CNFG1_LDO_PWRMD_SHIFT 6 +#define MAX77836_CNFG1_LDO_TV_SHIFT 0 +#define MAX77836_CNFG1_LDO_PWRMD_MASK (0x3 << MAX77836_CNFG1_LDO_PWRMD_SHIFT) +#define MAX77836_CNFG1_LDO_TV_MASK (0x3f << MAX77836_CNFG1_LDO_TV_SHIFT) + +/* LDO1/LDO2 CONFIG2 register */ +#define MAX77836_CNFG2_LDO_OVCLMPEN_SHIFT 7 +#define MAX77836_CNFG2_LDO_ALPMEN_SHIFT 6 +#define MAX77836_CNFG2_LDO_COMP_SHIFT 4 +#define MAX77836_CNFG2_LDO_POK_SHIFT 3 +#define MAX77836_CNFG2_LDO_ADE_SHIFT 1 +#define MAX77836_CNFG2_LDO_SS_SHIFT 0 +#define MAX77836_CNFG2_LDO_OVCLMPEN_MASK BIT(MAX77836_CNFG2_LDO_OVCLMPEN_SHIFT) +#define MAX77836_CNFG2_LDO_ALPMEN_MASK BIT(MAX77836_CNFG2_LDO_ALPMEN_SHIFT) +#define MAX77836_CNFG2_LDO_COMP_MASK (0x3 << MAX77836_CNFG2_LDO_COMP_SHIFT) +#define MAX77836_CNFG2_LDO_POK_MASK BIT(MAX77836_CNFG2_LDO_POK_SHIFT) +#define MAX77836_CNFG2_LDO_ADE_MASK BIT(MAX77836_CNFG2_LDO_ADE_SHIFT) +#define MAX77836_CNFG2_LDO_SS_MASK BIT(MAX77836_CNFG2_LDO_SS_SHIFT) + +/* Slave addr = 0x6C: Fuel-Gauge/Battery */ +enum max77836_fg_reg { + MAX77836_FG_REG_VCELL_MSB = 0x02, + MAX77836_FG_REG_VCELL_LSB = 0x03, + MAX77836_FG_REG_SOC_MSB = 0x04, + MAX77836_FG_REG_SOC_LSB = 0x05, + MAX77836_FG_REG_MODE_H = 0x06, + MAX77836_FG_REG_MODE_L = 0x07, + MAX77836_FG_REG_VERSION_MSB = 0x08, + MAX77836_FG_REG_VERSION_LSB = 0x09, + MAX77836_FG_REG_HIBRT_H = 0x0A, + MAX77836_FG_REG_HIBRT_L = 0x0B, + MAX77836_FG_REG_CONFIG_H = 0x0C, + MAX77836_FG_REG_CONFIG_L = 0x0D, + MAX77836_FG_REG_VALRT_MIN = 0x14, + MAX77836_FG_REG_VALRT_MAX = 0x15, + MAX77836_FG_REG_CRATE_MSB = 0x16, + MAX77836_FG_REG_CRATE_LSB = 0x17, + MAX77836_FG_REG_VRESET = 0x18, + MAX77836_FG_REG_FGID = 0x19, + MAX77836_FG_REG_STATUS_H = 0x1A, + MAX77836_FG_REG_STATUS_L = 0x1B, + /* + * TODO: TABLE registers + * TODO: CMD register + */ + + MAX77836_FG_REG_END, +}; + enum max14577_irq { /* INT1 */ MAX14577_IRQ_INT1_ADC, MAX14577_IRQ_INT1_ADCLOW, MAX14577_IRQ_INT1_ADCERR, + MAX77836_IRQ_INT1_ADC1K, /* INT2 */ MAX14577_IRQ_INT2_CHGTYP, @@ -260,6 +373,7 @@ enum max14577_irq { MAX14577_IRQ_INT2_DCDTMR, MAX14577_IRQ_INT2_DBCHG, MAX14577_IRQ_INT2_VBVOLT, + MAX77836_IRQ_INT2_VIDRM, /* INT3 */ MAX14577_IRQ_INT3_EOC, @@ -267,21 +381,25 @@ enum max14577_irq { MAX14577_IRQ_INT3_OVP, MAX14577_IRQ_INT3_MBCCHGERR, + /* TOPSYS_INT, only MAX77836 */ + MAX77836_IRQ_TOPSYS_T140C, + MAX77836_IRQ_TOPSYS_T120C, + MAX14577_IRQ_NUM, }; struct max14577 { struct device *dev; struct i2c_client *i2c; /* Slave addr = 0x4A */ + struct i2c_client *i2c_pmic; /* Slave addr = 0x46 */ + enum maxim_device_type dev_type; - struct regmap *regmap; + struct regmap *regmap; /* For MUIC and Charger */ + struct regmap *regmap_pmic; - struct regmap_irq_chip_data *irq_data; + struct regmap_irq_chip_data *irq_data; /* For MUIC and Charger */ + struct regmap_irq_chip_data *irq_data_pmic; int irq; - - /* Device ID */ - u8 vendor_id; /* Vendor Identification */ - u8 device_id; /* Chip Version */ }; /* MAX14577 shared regmap API function */ diff --git a/include/linux/mfd/max14577.h b/include/linux/mfd/max14577.h index 736d39c3ec0d..c83fbed1c7b6 100644 --- a/include/linux/mfd/max14577.h +++ b/include/linux/mfd/max14577.h @@ -1,7 +1,7 @@ /* - * max14577.h - Driver for the Maxim 14577 + * max14577.h - Driver for the Maxim 14577/77836 * - * Copyright (C) 2013 Samsung Electrnoics + * Copyright (C) 2014 Samsung Electrnoics * Chanwoo Choi <cw00.choi@samsung.com> * Krzysztof Kozlowski <k.kozlowski@samsung.com> * @@ -20,6 +20,9 @@ * MAX14577 has MUIC, Charger devices. * The devices share the same I2C bus and interrupt line * included in this mfd driver. + * + * MAX77836 has additional PMIC and Fuel-Gauge on different I2C slave + * addresses. */ #ifndef __MAX14577_H__ @@ -32,7 +35,17 @@ enum max14577_regulators { MAX14577_SAFEOUT = 0, MAX14577_CHARGER, - MAX14577_REG_MAX, + MAX14577_REGULATOR_NUM, +}; + +/* MAX77836 regulator IDs */ +enum max77836_regulators { + MAX77836_SAFEOUT = 0, + MAX77836_CHARGER, + MAX77836_LDO1, + MAX77836_LDO2, + + MAX77836_REGULATOR_NUM, }; struct max14577_regulator_platform_data { diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h index 9974e387e483..b8f87b704409 100644 --- a/include/linux/mfd/palmas.h +++ b/include/linux/mfd/palmas.h @@ -415,7 +415,7 @@ struct palmas_usb { struct palmas *palmas; struct device *dev; - struct extcon_dev edev; + struct extcon_dev *edev; int id_otg_irq; int id_irq; diff --git a/include/linux/mfd/rtsx_common.h b/include/linux/mfd/rtsx_common.h index 7c36cc55d2c7..443176ee1ab0 100644 --- a/include/linux/mfd/rtsx_common.h +++ b/include/linux/mfd/rtsx_common.h @@ -45,7 +45,6 @@ struct platform_device; struct rtsx_slot { struct platform_device *p_dev; void (*card_event)(struct platform_device *p_dev); - void (*done_transfer)(struct platform_device *p_dev); }; #endif diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h index 8d6bbd609ad9..a3835976f7c6 100644 --- a/include/linux/mfd/rtsx_pci.h +++ b/include/linux/mfd/rtsx_pci.h @@ -943,12 +943,6 @@ void rtsx_pci_send_cmd_no_wait(struct rtsx_pcr *pcr); int rtsx_pci_send_cmd(struct rtsx_pcr *pcr, int timeout); int rtsx_pci_transfer_data(struct rtsx_pcr *pcr, struct scatterlist *sglist, int num_sg, bool read, int timeout); -int rtsx_pci_dma_map_sg(struct rtsx_pcr *pcr, struct scatterlist *sglist, - int num_sg, bool read); -int rtsx_pci_dma_unmap_sg(struct rtsx_pcr *pcr, struct scatterlist *sglist, - int num_sg, bool read); -int rtsx_pci_dma_transfer(struct rtsx_pcr *pcr, struct scatterlist *sglist, - int sg_count, bool read); int rtsx_pci_read_ppbuf(struct rtsx_pcr *pcr, u8 *buf, int buf_len); int rtsx_pci_write_ppbuf(struct rtsx_pcr *pcr, u8 *buf, int buf_len); int rtsx_pci_card_pull_ctl_enable(struct rtsx_pcr *pcr, int card); diff --git a/include/linux/mfd/samsung/s2mps14.h b/include/linux/mfd/samsung/s2mps14.h index 4b449b8ac548..900cd7a04314 100644 --- a/include/linux/mfd/samsung/s2mps14.h +++ b/include/linux/mfd/samsung/s2mps14.h @@ -148,6 +148,8 @@ enum s2mps14_regulators { #define S2MPS14_ENABLE_SHIFT 6 /* On/Off controlled by PWREN */ #define S2MPS14_ENABLE_SUSPEND (0x01 << S2MPS14_ENABLE_SHIFT) +/* On/Off controlled by LDO10EN or EMMCEN */ +#define S2MPS14_ENABLE_EXT_CONTROL (0x00 << S2MPS14_ENABLE_SHIFT) #define S2MPS14_LDO_N_VOLTAGES (S2MPS14_LDO_VSEL_MASK + 1) #define S2MPS14_BUCK_N_VOLTAGES (S2MPS14_BUCK_VSEL_MASK + 1) diff --git a/include/linux/mfd/syscon/exynos5-pmu.h b/include/linux/mfd/syscon/exynos5-pmu.h new file mode 100644 index 000000000000..00ef24bf6ede --- /dev/null +++ b/include/linux/mfd/syscon/exynos5-pmu.h @@ -0,0 +1,44 @@ +/* + * Exynos5 SoC series Power Management Unit (PMU) register offsets + * and bit definitions. + * + * Copyright (C) 2014 Samsung Electronics Co., Ltd. + * + * 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. + */ + +#ifndef _LINUX_MFD_SYSCON_PMU_EXYNOS5_H_ +#define _LINUX_MFD_SYSCON_PMU_EXYNOS5_H_ + +/* Exynos5 PMU register definitions */ +#define EXYNOS5_HDMI_PHY_CONTROL (0x700) +#define EXYNOS5_USBDRD_PHY_CONTROL (0x704) + +/* Exynos5250 specific register definitions */ +#define EXYNOS5_USBHOST_PHY_CONTROL (0x708) +#define EXYNOS5_EFNAND_PHY_CONTROL (0x70c) +#define EXYNOS5_MIPI_PHY0_CONTROL (0x710) +#define EXYNOS5_MIPI_PHY1_CONTROL (0x714) +#define EXYNOS5_ADC_PHY_CONTROL (0x718) +#define EXYNOS5_MTCADC_PHY_CONTROL (0x71c) +#define EXYNOS5_DPTX_PHY_CONTROL (0x720) +#define EXYNOS5_SATA_PHY_CONTROL (0x724) + +/* Exynos5420 specific register definitions */ +#define EXYNOS5420_USBDRD1_PHY_CONTROL (0x708) +#define EXYNOS5420_USBHOST_PHY_CONTROL (0x70c) +#define EXYNOS5420_MIPI_PHY0_CONTROL (0x714) +#define EXYNOS5420_MIPI_PHY1_CONTROL (0x718) +#define EXYNOS5420_MIPI_PHY2_CONTROL (0x71c) +#define EXYNOS5420_ADC_PHY_CONTROL (0x720) +#define EXYNOS5420_MTCADC_PHY_CONTROL (0x724) +#define EXYNOS5420_DPTX_PHY_CONTROL (0x728) + +#define EXYNOS5_PHY_ENABLE BIT(0) + +#define EXYNOS5_MIPI_PHY_S_RESETN BIT(1) +#define EXYNOS5_MIPI_PHY_M_RESETN BIT(2) + +#endif /* _LINUX_MFD_SYSCON_PMU_EXYNOS5_H_ */ diff --git a/include/linux/mfd/tc3589x.h b/include/linux/mfd/tc3589x.h index 6b8e1ff4672b..e6088c2e2092 100644 --- a/include/linux/mfd/tc3589x.h +++ b/include/linux/mfd/tc3589x.h @@ -111,7 +111,6 @@ enum tx3589x_block { #define TC3589x_INT_PORIRQ 7 #define TC3589x_NR_INTERNAL_IRQS 8 -#define TC3589x_INT_GPIO(x) (TC3589x_NR_INTERNAL_IRQS + (x)) struct tc3589x { struct mutex lock; diff --git a/include/linux/mfd/tps65090.h b/include/linux/mfd/tps65090.h index 3f43069413e7..0bf2708df150 100644 --- a/include/linux/mfd/tps65090.h +++ b/include/linux/mfd/tps65090.h @@ -64,6 +64,20 @@ enum { TPS65090_REGULATOR_MAX, }; +/* Register addresses */ +#define TPS65090_REG_INTR_STS 0x00 +#define TPS65090_REG_INTR_STS2 0x01 +#define TPS65090_REG_INTR_MASK 0x02 +#define TPS65090_REG_INTR_MASK2 0x03 +#define TPS65090_REG_CG_CTRL0 0x04 +#define TPS65090_REG_CG_CTRL1 0x05 +#define TPS65090_REG_CG_CTRL2 0x06 +#define TPS65090_REG_CG_CTRL3 0x07 +#define TPS65090_REG_CG_CTRL4 0x08 +#define TPS65090_REG_CG_CTRL5 0x09 +#define TPS65090_REG_CG_STATUS1 0x0a +#define TPS65090_REG_CG_STATUS2 0x0b + struct tps65090 { struct device *dev; struct regmap *rmap; @@ -78,11 +92,16 @@ struct tps65090 { * DCDC1, DCDC2 and DCDC3. * @gpio: Gpio number if external control is enabled and controlled through * gpio. + * @overcurrent_wait_valid: True if the overcurrent_wait should be applied. + * @overcurrent_wait: Value to set as the overcurrent wait time. This is the + * actual bitfield value, not a time in ms (valid value are 0 - 3). */ struct tps65090_regulator_plat_data { struct regulator_init_data *reg_init_data; bool enable_ext_control; int gpio; + bool overcurrent_wait_valid; + int overcurrent_wait; }; struct tps65090_platform_data { diff --git a/include/linux/mfd/tps65217.h b/include/linux/mfd/tps65217.h index 54b5458ec084..95d6938737fd 100644 --- a/include/linux/mfd/tps65217.h +++ b/include/linux/mfd/tps65217.h @@ -254,7 +254,6 @@ struct tps65217 { struct tps65217_board *pdata; unsigned long id; struct regulator_desc desc[TPS65217_NUM_REGULATOR]; - struct regulator_dev *rdev[TPS65217_NUM_REGULATOR]; struct regmap *regmap; }; diff --git a/include/linux/mfd/tps6586x.h b/include/linux/mfd/tps6586x.h index cbecec2e353a..96187ed9f9bb 100644 --- a/include/linux/mfd/tps6586x.h +++ b/include/linux/mfd/tps6586x.h @@ -17,6 +17,8 @@ #define TPS658621A 0x15 #define TPS658621CD 0x2c #define TPS658623 0x1b +#define TPS658640 0x01 +#define TPS658640v2 0x02 #define TPS658643 0x03 enum { diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 84a31ad0b791..a2901c414664 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -5,7 +5,9 @@ #include <linux/mempolicy.h> #include <linux/migrate_mode.h> -typedef struct page *new_page_t(struct page *, unsigned long private, int **); +typedef struct page *new_page_t(struct page *page, unsigned long private, + int **reason); +typedef void free_page_t(struct page *page, unsigned long private); /* * Return values from addresss_space_operations.migratepage(): @@ -38,7 +40,7 @@ enum migrate_reason { extern void putback_movable_pages(struct list_head *l); extern int migrate_page(struct address_space *, struct page *, struct page *, enum migrate_mode); -extern int migrate_pages(struct list_head *l, new_page_t x, +extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, unsigned long private, enum migrate_mode mode, int reason); extern int migrate_prep(void); @@ -56,8 +58,9 @@ extern int migrate_page_move_mapping(struct address_space *mapping, #else static inline void putback_movable_pages(struct list_head *l) {} -static inline int migrate_pages(struct list_head *l, new_page_t x, - unsigned long private, enum migrate_mode mode, int reason) +static inline int migrate_pages(struct list_head *l, new_page_t new, + free_page_t free, unsigned long private, enum migrate_mode mode, + int reason) { return -ENOSYS; } static inline int migrate_prep(void) { return -ENOSYS; } diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index 51e26f3cd3b3..ee80dd7d9f60 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -64,7 +64,7 @@ struct miscdevice { umode_t mode; }; -extern int misc_register(struct miscdevice * misc); +extern int misc_register(struct miscdevice *misc); extern int misc_deregister(struct miscdevice *misc); #define MODULE_ALIAS_MISCDEV(minor) \ diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index b66e7610d4ee..7040dc98ff8b 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -421,6 +421,17 @@ struct mlx4_wqe_inline_seg { __be32 byte_count; }; +enum mlx4_update_qp_attr { + MLX4_UPDATE_QP_SMAC = 1 << 0, +}; + +struct mlx4_update_qp_params { + u8 smac_index; +}; + +int mlx4_update_qp(struct mlx4_dev *dev, struct mlx4_qp *qp, + enum mlx4_update_qp_attr attr, + struct mlx4_update_qp_params *params); int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt, enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state, struct mlx4_qp_context *context, enum mlx4_qp_optpar optpar, diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 407bdb67fd4f..3406cfb1267a 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -179,6 +179,7 @@ enum { MLX5_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL << 9, MLX5_DEV_CAP_FLAG_APM = 1LL << 17, MLX5_DEV_CAP_FLAG_ATOMIC = 1LL << 18, + MLX5_DEV_CAP_FLAG_BLOCK_MCAST = 1LL << 23, MLX5_DEV_CAP_FLAG_ON_DMND_PG = 1LL << 24, MLX5_DEV_CAP_FLAG_CQ_MODER = 1LL << 29, MLX5_DEV_CAP_FLAG_RESIZE_CQ = 1LL << 30, diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index f829ad80ff28..9709b30e2d69 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -146,6 +146,7 @@ enum { enum { MLX5_QP_LAT_SENSITIVE = 1 << 28, + MLX5_QP_BLOCK_MCAST = 1 << 30, MLX5_QP_ENABLE_SIG = 1 << 31, }; diff --git a/include/linux/mm.h b/include/linux/mm.h index bf9811e1321a..e03dd29145a0 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -239,6 +239,12 @@ struct vm_operations_struct { */ int (*access)(struct vm_area_struct *vma, unsigned long addr, void *buf, int len, int write); + + /* Called by the /proc/PID/maps code to ask the vma whether it + * has a special name. Returning non-NULL will also cause this + * vma to be dumped unconditionally. */ + const char *(*name)(struct vm_area_struct *vma); + #ifdef CONFIG_NUMA /* * set_policy() op must add a reference to any non-NULL @new mempolicy @@ -370,6 +376,8 @@ static inline int is_vmalloc_or_module_addr(const void *x) } #endif +extern void kvfree(const void *addr); + static inline void compound_lock(struct page *page) { #ifdef CONFIG_TRANSPARENT_HUGEPAGE @@ -405,20 +413,25 @@ static inline void compound_unlock_irqrestore(struct page *page, #endif } +static inline struct page *compound_head_by_tail(struct page *tail) +{ + struct page *head = tail->first_page; + + /* + * page->first_page may be a dangling pointer to an old + * compound page, so recheck that it is still a tail + * page before returning. + */ + smp_rmb(); + if (likely(PageTail(tail))) + return head; + return tail; +} + static inline struct page *compound_head(struct page *page) { - if (unlikely(PageTail(page))) { - struct page *head = page->first_page; - - /* - * page->first_page may be a dangling pointer to an old - * compound page, so recheck that it is still a tail - * page before returning. - */ - smp_rmb(); - if (likely(PageTail(page))) - return head; - } + if (unlikely(PageTail(page))) + return compound_head_by_tail(page); return page; } @@ -1776,7 +1789,9 @@ extern struct file *get_mm_exe_file(struct mm_struct *mm); extern int may_expand_vm(struct mm_struct *mm, unsigned long npages); extern struct vm_area_struct *_install_special_mapping(struct mm_struct *mm, unsigned long addr, unsigned long len, - unsigned long flags, struct page **pages); + unsigned long flags, + const struct vm_special_mapping *spec); +/* This is an obsolete alternative to _install_special_mapping. */ extern int install_special_mapping(struct mm_struct *mm, unsigned long addr, unsigned long len, unsigned long flags, struct page **pages); diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 8967e20cbe57..96c5750e3110 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -406,7 +406,7 @@ struct mm_struct { spinlock_t ioctx_lock; struct kioctx_table __rcu *ioctx_table; #endif -#ifdef CONFIG_MM_OWNER +#ifdef CONFIG_MEMCG /* * "owner" points to a task that is regarded as the canonical * user/owner of this mm. All of the following must be true in @@ -510,4 +510,10 @@ static inline void clear_tlb_flush_pending(struct mm_struct *mm) } #endif +struct vm_special_mapping +{ + const char *name; + struct page **pages; +}; + #endif /* _LINUX_MM_TYPES_H */ diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h index 2d57efa64cc1..edd82a105220 100644 --- a/include/linux/mmdebug.h +++ b/include/linux/mmdebug.h @@ -1,6 +1,8 @@ #ifndef LINUX_MM_DEBUG_H #define LINUX_MM_DEBUG_H 1 +#include <linux/stringify.h> + struct page; extern void dump_page(struct page *page, const char *reason); @@ -9,11 +11,20 @@ extern void dump_page_badflags(struct page *page, const char *reason, #ifdef CONFIG_DEBUG_VM #define VM_BUG_ON(cond) BUG_ON(cond) -#define VM_BUG_ON_PAGE(cond, page) \ - do { if (unlikely(cond)) { dump_page(page, NULL); BUG(); } } while (0) +#define VM_BUG_ON_PAGE(cond, page) \ + do { \ + if (unlikely(cond)) { \ + dump_page(page, "VM_BUG_ON_PAGE(" __stringify(cond)")");\ + BUG(); \ + } \ + } while (0) +#define VM_WARN_ON(cond) WARN_ON(cond) +#define VM_WARN_ON_ONCE(cond) WARN_ON_ONCE(cond) #else #define VM_BUG_ON(cond) BUILD_BUG_ON_INVALID(cond) #define VM_BUG_ON_PAGE(cond, page) VM_BUG_ON(cond) +#define VM_WARN_ON(cond) BUILD_BUG_ON_INVALID(cond) +#define VM_WARN_ON_ONCE(cond) BUILD_BUG_ON_INVALID(cond) #endif #ifdef CONFIG_DEBUG_VIRTUAL diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index fac5509c18f0..6cbd1b6c3d20 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -75,9 +75,18 @@ enum { extern int page_group_by_mobility_disabled; -static inline int get_pageblock_migratetype(struct page *page) +#define NR_MIGRATETYPE_BITS (PB_migrate_end - PB_migrate + 1) +#define MIGRATETYPE_MASK ((1UL << NR_MIGRATETYPE_BITS) - 1) + +#define get_pageblock_migratetype(page) \ + get_pfnblock_flags_mask(page, page_to_pfn(page), \ + PB_migrate_end, MIGRATETYPE_MASK) + +static inline int get_pfnblock_migratetype(struct page *page, unsigned long pfn) { - return get_pageblock_flags_group(page, PB_migrate, PB_migrate_end); + BUILD_BUG_ON(PB_migrate_end - PB_migrate != 2); + return get_pfnblock_flags_mask(page, pfn, PB_migrate_end, + MIGRATETYPE_MASK); } struct free_area { @@ -360,9 +369,10 @@ struct zone { /* Set to true when the PG_migrate_skip bits should be cleared */ bool compact_blockskip_flush; - /* pfns where compaction scanners should start */ + /* pfn where compaction free scanner should start */ unsigned long compact_cached_free_pfn; - unsigned long compact_cached_migrate_pfn; + /* pfn where async and sync compaction migration scanner should start */ + unsigned long compact_cached_migrate_pfn[2]; #endif #ifdef CONFIG_MEMORY_HOTPLUG /* see spanned/present_pages for more description */ @@ -481,9 +491,8 @@ struct zone { * give them a chance of being in the same cacheline. * * Write access to present_pages at runtime should be protected by - * lock_memory_hotplug()/unlock_memory_hotplug(). Any reader who can't - * tolerant drift of present_pages should hold memory hotplug lock to - * get a stable value. + * mem_hotplug_begin/end(). Any reader who can't tolerant drift of + * present_pages should get_online_mems() to get a stable value. * * Read access to managed_pages should be safe because it's unsigned * long. Write access to zone->managed_pages and totalram_pages are @@ -763,10 +772,10 @@ typedef struct pglist_data { unsigned long node_spanned_pages; /* total size of physical page range, including holes */ int node_id; - nodemask_t reclaim_nodes; /* Nodes allowed to reclaim from */ wait_queue_head_t kswapd_wait; wait_queue_head_t pfmemalloc_wait; - struct task_struct *kswapd; /* Protected by lock_memory_hotplug() */ + struct task_struct *kswapd; /* Protected by + mem_hotplug_begin/end() */ int kswapd_max_order; enum zone_type classzone_idx; #ifdef CONFIG_NUMA_BALANCING @@ -808,10 +817,10 @@ static inline bool pgdat_is_empty(pg_data_t *pgdat) extern struct mutex zonelists_mutex; void build_all_zonelists(pg_data_t *pgdat, struct zone *zone); void wakeup_kswapd(struct zone *zone, int order, enum zone_type classzone_idx); -bool zone_watermark_ok(struct zone *z, int order, unsigned long mark, - int classzone_idx, int alloc_flags); -bool zone_watermark_ok_safe(struct zone *z, int order, unsigned long mark, - int classzone_idx, int alloc_flags); +bool zone_watermark_ok(struct zone *z, unsigned int order, + unsigned long mark, int classzone_idx, int alloc_flags); +bool zone_watermark_ok_safe(struct zone *z, unsigned int order, + unsigned long mark, int classzone_idx, int alloc_flags); enum memmap_context { MEMMAP_EARLY, MEMMAP_HOTPLUG, diff --git a/include/linux/mtd/spear_smi.h b/include/linux/mtd/spear_smi.h index 8ae1726044c3..581603ac1277 100644 --- a/include/linux/mtd/spear_smi.h +++ b/include/linux/mtd/spear_smi.h @@ -1,6 +1,6 @@ /* * Copyright © 2010 ST Microelectronics - * Shiraz Hashim <shiraz.hashim@st.com> + * Shiraz Hashim <shiraz.linux.kernel@gmail.com> * * 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/include/linux/net.h b/include/linux/net.h index 94734a6259a4..17d83393afcc 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -248,24 +248,17 @@ do { \ bool __net_get_random_once(void *buf, int nbytes, bool *done, struct static_key *done_key); -#ifdef HAVE_JUMP_LABEL -#define ___NET_RANDOM_STATIC_KEY_INIT ((struct static_key) \ - { .enabled = ATOMIC_INIT(0), .entries = (void *)1 }) -#else /* !HAVE_JUMP_LABEL */ -#define ___NET_RANDOM_STATIC_KEY_INIT STATIC_KEY_INIT_FALSE -#endif /* HAVE_JUMP_LABEL */ - #define net_get_random_once(buf, nbytes) \ ({ \ bool ___ret = false; \ static bool ___done = false; \ - static struct static_key ___done_key = \ - ___NET_RANDOM_STATIC_KEY_INIT; \ - if (!static_key_true(&___done_key)) \ + static struct static_key ___once_key = \ + STATIC_KEY_INIT_TRUE; \ + if (static_key_true(&___once_key)) \ ___ret = __net_get_random_once(buf, \ nbytes, \ &___done, \ - &___done_key); \ + &___once_key); \ ___ret; \ }) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 7ed3a3aa6604..6c1ae9fd9505 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -493,7 +493,7 @@ static inline void napi_disable(struct napi_struct *n) static inline void napi_enable(struct napi_struct *n) { BUG_ON(!test_bit(NAPI_STATE_SCHED, &n->state)); - smp_mb__before_clear_bit(); + smp_mb__before_atomic(); clear_bit(NAPI_STATE_SCHED, &n->state); } @@ -1144,6 +1144,7 @@ struct net_device_ops { netdev_tx_t (*ndo_dfwd_start_xmit) (struct sk_buff *skb, struct net_device *dev, void *priv); + int (*ndo_get_lock_subclass)(struct net_device *dev); }; /** @@ -2950,7 +2951,12 @@ static inline void netif_addr_lock(struct net_device *dev) static inline void netif_addr_lock_nested(struct net_device *dev) { - spin_lock_nested(&dev->addr_list_lock, SINGLE_DEPTH_NESTING); + int subclass = SINGLE_DEPTH_NESTING; + + if (dev->netdev_ops->ndo_get_lock_subclass) + subclass = dev->netdev_ops->ndo_get_lock_subclass(dev); + + spin_lock_nested(&dev->addr_list_lock, subclass); } static inline void netif_addr_lock_bh(struct net_device *dev) @@ -3050,10 +3056,19 @@ extern int weight_p; extern int bpf_jit_enable; bool netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev); +struct net_device *netdev_upper_get_next_dev_rcu(struct net_device *dev, + struct list_head **iter); struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev, struct list_head **iter); /* iterate through upper list, must be called under RCU read lock */ +#define netdev_for_each_upper_dev_rcu(dev, updev, iter) \ + for (iter = &(dev)->adj_list.upper, \ + updev = netdev_upper_get_next_dev_rcu(dev, &(iter)); \ + updev; \ + updev = netdev_upper_get_next_dev_rcu(dev, &(iter))) + +/* iterate through upper list, must be called under RCU read lock */ #define netdev_for_each_all_upper_dev_rcu(dev, updev, iter) \ for (iter = &(dev)->all_adj_list.upper, \ updev = netdev_all_upper_get_next_dev_rcu(dev, &(iter)); \ @@ -3077,6 +3092,14 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev, priv; \ priv = netdev_lower_get_next_private_rcu(dev, &(iter))) +void *netdev_lower_get_next(struct net_device *dev, + struct list_head **iter); +#define netdev_for_each_lower_dev(dev, ldev, iter) \ + for (iter = &(dev)->adj_list.lower, \ + ldev = netdev_lower_get_next(dev, &(iter)); \ + ldev; \ + ldev = netdev_lower_get_next(dev, &(iter))) + void *netdev_adjacent_get_private(struct list_head *adj_list); void *netdev_lower_get_first_private_rcu(struct net_device *dev); struct net_device *netdev_master_upper_dev_get(struct net_device *dev); @@ -3092,6 +3115,8 @@ void netdev_upper_dev_unlink(struct net_device *dev, void netdev_adjacent_rename_links(struct net_device *dev, char *oldname); void *netdev_lower_dev_get_private(struct net_device *dev, struct net_device *lower_dev); +int dev_get_nest_level(struct net_device *dev, + bool (*type_check)(struct net_device *dev)); int skb_checksum_help(struct sk_buff *skb); struct sk_buff *__skb_gso_segment(struct sk_buff *skb, netdev_features_t features, bool tx_path); @@ -3180,12 +3205,7 @@ void netdev_change_features(struct net_device *dev); void netif_stacked_transfer_operstate(const struct net_device *rootdev, struct net_device *dev); -netdev_features_t netif_skb_dev_features(struct sk_buff *skb, - const struct net_device *dev); -static inline netdev_features_t netif_skb_features(struct sk_buff *skb) -{ - return netif_skb_dev_features(skb, skb->dev); -} +netdev_features_t netif_skb_features(struct sk_buff *skb); static inline bool net_gso_ok(netdev_features_t features, int gso_type) { diff --git a/include/linux/netfilter/nf_conntrack_proto_gre.h b/include/linux/netfilter/nf_conntrack_proto_gre.h index ec2ffaf418c8..df78dc2b5524 100644 --- a/include/linux/netfilter/nf_conntrack_proto_gre.h +++ b/include/linux/netfilter/nf_conntrack_proto_gre.h @@ -87,7 +87,6 @@ int nf_ct_gre_keymap_add(struct nf_conn *ct, enum ip_conntrack_dir dir, /* delete keymap entries */ void nf_ct_gre_keymap_destroy(struct nf_conn *ct); -void nf_ct_gre_keymap_flush(struct net *net); void nf_nat_need_gre(void); #endif /* __KERNEL__ */ diff --git a/include/linux/netlink.h b/include/linux/netlink.h index aad8eeaf416d..f64b01787ddc 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -169,4 +169,11 @@ struct netlink_tap { extern int netlink_add_tap(struct netlink_tap *nt); extern int netlink_remove_tap(struct netlink_tap *nt); +bool __netlink_ns_capable(const struct netlink_skb_parms *nsp, + struct user_namespace *ns, int cap); +bool netlink_ns_capable(const struct sk_buff *skb, + struct user_namespace *ns, int cap); +bool netlink_capable(const struct sk_buff *skb, int cap); +bool netlink_net_capable(const struct sk_buff *skb, int cap); + #endif /* __LINUX_NETLINK_H */ diff --git a/include/linux/of.h b/include/linux/of.h index 919bf211877d..196b34c1ef4e 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -130,6 +130,12 @@ static inline int of_node_check_flag(struct device_node *n, unsigned long flag) return test_bit(flag, &n->_flags); } +static inline int of_node_test_and_set_flag(struct device_node *n, + unsigned long flag) +{ + return test_and_set_bit(flag, &n->_flags); +} + static inline void of_node_set_flag(struct device_node *n, unsigned long flag) { set_bit(flag, &n->_flags); @@ -197,6 +203,7 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size) /* flag descriptions */ #define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */ #define OF_DETACHED 2 /* node has been detached from the device tree */ +#define OF_POPULATED 3 /* device already created for the node */ #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) @@ -349,7 +356,7 @@ int of_device_is_stdout_path(struct device_node *dn); #else /* CONFIG_OF */ -static inline const char* of_node_full_name(struct device_node *np) +static inline const char* of_node_full_name(const struct device_node *np) { return "<no-node>"; } @@ -374,6 +381,11 @@ static inline struct device_node *of_find_matching_node_and_match( return NULL; } +static inline struct device_node *of_find_node_by_path(const char *path) +{ + return NULL; +} + static inline struct device_node *of_get_parent(const struct device_node *node) { return NULL; @@ -752,4 +764,26 @@ static inline int of_get_available_child_count(const struct device_node *np) return num; } +#ifdef CONFIG_OF +#define _OF_DECLARE(table, name, compat, fn, fn_type) \ + static const struct of_device_id __of_table_##name \ + __used __section(__##table##_of_table) \ + = { .compatible = compat, \ + .data = (fn == (fn_type)NULL) ? fn : fn } +#else +#define _OF_DECLARE(table, name, compat, fn, fn_type) \ + static const struct of_device_id __of_table_##name \ + __attribute__((unused)) \ + = { .compatible = compat, \ + .data = (fn == (fn_type)NULL) ? fn : fn } +#endif + +typedef int (*of_init_fn_2)(struct device_node *, struct device_node *); +typedef void (*of_init_fn_1)(struct device_node *); + +#define OF_DECLARE_1(table, name, compat, fn) \ + _OF_DECLARE(table, name, compat, fn, of_init_fn_1) +#define OF_DECLARE_2(table, name, compat, fn) \ + _OF_DECLARE(table, name, compat, fn, of_init_fn_2) + #endif /* _LINUX_OF_H */ diff --git a/include/linux/of_address.h b/include/linux/of_address.h index 5f6ed6b182b8..906ca7681756 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -40,7 +40,6 @@ extern u64 of_translate_dma_address(struct device_node *dev, #ifdef CONFIG_OF_ADDRESS extern u64 of_translate_address(struct device_node *np, const __be32 *addr); -extern bool of_can_translate_address(struct device_node *dev); extern int of_address_to_resource(struct device_node *dev, int index, struct resource *r); extern struct device_node *of_find_matching_node_by_address( diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index ddd7219af8ac..05117899fcb4 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -17,60 +17,23 @@ /* Definitions used by the flattened device tree */ #define OF_DT_HEADER 0xd00dfeed /* marker */ -#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ -#define OF_DT_END_NODE 0x2 /* End node */ -#define OF_DT_PROP 0x3 /* Property: name off, size, - * content */ -#define OF_DT_NOP 0x4 /* nop */ -#define OF_DT_END 0x9 - -#define OF_DT_VERSION 0x10 #ifndef __ASSEMBLY__ -/* - * This is what gets passed to the kernel by prom_init or kexec - * - * The dt struct contains the device tree structure, full pathes and - * property contents. The dt strings contain a separate block with just - * the strings for the property names, and is fully page aligned and - * self contained in a page, so that it can be kept around by the kernel, - * each property name appears only once in this page (cheap compression) - * - * the mem_rsvmap contains a map of reserved ranges of physical memory, - * passing it here instead of in the device-tree itself greatly simplifies - * the job of everybody. It's just a list of u64 pairs (base/size) that - * ends when size is 0 - */ -struct boot_param_header { - __be32 magic; /* magic word OF_DT_HEADER */ - __be32 totalsize; /* total size of DT block */ - __be32 off_dt_struct; /* offset to structure */ - __be32 off_dt_strings; /* offset to strings */ - __be32 off_mem_rsvmap; /* offset to memory reserve map */ - __be32 version; /* format version */ - __be32 last_comp_version; /* last compatible version */ - /* version 2 fields below */ - __be32 boot_cpuid_phys; /* Physical CPU id we're booting on */ - /* version 3 fields below */ - __be32 dt_strings_size; /* size of the DT strings block */ - /* version 17 fields below */ - __be32 dt_struct_size; /* size of the DT structure block */ -}; #if defined(CONFIG_OF_FLATTREE) struct device_node; /* For scanning an arbitrary device-tree at any time */ -extern char *of_fdt_get_string(struct boot_param_header *blob, u32 offset); -extern void *of_fdt_get_property(struct boot_param_header *blob, +extern char *of_fdt_get_string(const void *blob, u32 offset); +extern void *of_fdt_get_property(const void *blob, unsigned long node, const char *name, - unsigned long *size); -extern int of_fdt_is_compatible(struct boot_param_header *blob, + int *size); +extern int of_fdt_is_compatible(const void *blob, unsigned long node, const char *compat); -extern int of_fdt_match(struct boot_param_header *blob, unsigned long node, +extern int of_fdt_match(const void *blob, unsigned long node, const char *const *compat); extern void of_fdt_unflatten_tree(unsigned long *blob, struct device_node **mynodes); @@ -78,21 +41,21 @@ extern void of_fdt_unflatten_tree(unsigned long *blob, /* TBD: Temporary export of fdt globals - remove when code fully merged */ extern int __initdata dt_root_addr_cells; extern int __initdata dt_root_size_cells; -extern struct boot_param_header *initial_boot_params; +extern void *initial_boot_params; + +extern char __dtb_start[]; +extern char __dtb_end[]; /* For scanning the flat device-tree at boot time */ -extern char *find_flat_dt_string(u32 offset); extern int of_scan_flat_dt(int (*it)(unsigned long node, const char *uname, int depth, void *data), void *data); -extern void *of_get_flat_dt_prop(unsigned long node, const char *name, - unsigned long *size); +extern const void *of_get_flat_dt_prop(unsigned long node, const char *name, + int *size); extern int of_flat_dt_is_compatible(unsigned long node, const char *name); extern int of_flat_dt_match(unsigned long node, const char *const *matches); extern unsigned long of_get_flat_dt_root(void); -extern int of_scan_flat_dt_by_path(const char *path, - int (*it)(unsigned long node, const char *name, int depth, void *data), - void *data); +extern int of_get_flat_dt_size(void); extern int early_init_dt_scan_chosen(unsigned long node, const char *uname, int depth, void *data); @@ -103,7 +66,7 @@ extern void early_init_dt_add_memory_arch(u64 base, u64 size); extern int early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size, bool no_map); extern void * early_init_dt_alloc_memory_arch(u64 size, u64 align); -extern u64 dt_mem_next_cell(int s, __be32 **cellp); +extern u64 dt_mem_next_cell(int s, const __be32 **cellp); /* Early flat tree scan hooks */ extern int early_init_dt_scan_root(unsigned long node, const char *uname, @@ -120,6 +83,7 @@ extern void unflatten_device_tree(void); extern void unflatten_and_copy_device_tree(void); extern void early_init_devtree(void *); extern void early_get_first_memblock_info(void *, phys_addr_t *); +extern u64 fdt_translate_address(const void *blob, int node_offset); #else /* CONFIG_OF_FLATTREE */ static inline void early_init_fdt_scan_reserved_mem(void) {} static inline const char *of_flat_dt_get_machine_name(void) { return NULL; } diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h index f14123a5a9df..38fc05036015 100644 --- a/include/linux/of_gpio.h +++ b/include/linux/of_gpio.h @@ -19,7 +19,6 @@ #include <linux/errno.h> #include <linux/gpio.h> #include <linux/of.h> -#include <linux/gpio/consumer.h> struct device_node; @@ -48,7 +47,7 @@ static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc) return container_of(gc, struct of_mm_gpio_chip, gc); } -extern struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, +extern int of_get_named_gpio_flags(struct device_node *np, const char *list_name, int index, enum of_gpio_flags *flags); extern int of_mm_gpiochip_add(struct device_node *np, @@ -63,10 +62,10 @@ extern int of_gpio_simple_xlate(struct gpio_chip *gc, #else /* CONFIG_OF_GPIO */ /* Drivers may not strictly depend on the GPIO support, so let them link. */ -static inline struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, +static inline int of_get_named_gpio_flags(struct device_node *np, const char *list_name, int index, enum of_gpio_flags *flags) { - return ERR_PTR(-ENOSYS); + return -ENOSYS; } static inline int of_gpio_simple_xlate(struct gpio_chip *gc, @@ -81,18 +80,6 @@ static inline void of_gpiochip_remove(struct gpio_chip *gc) { } #endif /* CONFIG_OF_GPIO */ -static inline int of_get_named_gpio_flags(struct device_node *np, - const char *list_name, int index, enum of_gpio_flags *flags) -{ - struct gpio_desc *desc; - desc = of_get_named_gpiod_flags(np, list_name, index, flags); - - if (IS_ERR(desc)) - return PTR_ERR(desc); - else - return desc_to_gpio(desc); -} - /** * of_gpio_named_count() - Count GPIOs for a device * @np: device node to count GPIOs for @@ -129,22 +116,6 @@ static inline int of_gpio_count(struct device_node *np) return of_gpio_named_count(np, "gpios"); } -/** - * of_get_gpiod_flags() - Get a GPIO descriptor and flags to use with GPIO API - * @np: device node to get GPIO from - * @index: index of the GPIO - * @flags: a flags pointer to fill in - * - * Returns GPIO descriptor to use with Linux generic GPIO API, or a errno - * value on the error condition. If @flags is not NULL the function also fills - * in flags for the GPIO. - */ -static inline struct gpio_desc *of_get_gpiod_flags(struct device_node *np, - int index, enum of_gpio_flags *flags) -{ - return of_get_named_gpiod_flags(np, "gpios", index, flags); -} - static inline int of_get_gpio_flags(struct device_node *np, int index, enum of_gpio_flags *flags) { diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h index 3f23b4472c31..bfec136a6d1e 100644 --- a/include/linux/of_irq.h +++ b/include/linux/of_irq.h @@ -44,11 +44,21 @@ extern void of_irq_init(const struct of_device_id *matches); #ifdef CONFIG_OF_IRQ extern int of_irq_count(struct device_node *dev); +extern int of_irq_get(struct device_node *dev, int index); +extern int of_irq_get_byname(struct device_node *dev, const char *name); #else static inline int of_irq_count(struct device_node *dev) { return 0; } +static inline int of_irq_get(struct device_node *dev, int index) +{ + return 0; +} +static inline int of_irq_get_byname(struct device_node *dev, const char *name) +{ + return 0; +} #endif #if defined(CONFIG_OF) diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h index 6fe8464ed767..881a7c3571f4 100644 --- a/include/linux/of_mdio.h +++ b/include/linux/of_mdio.h @@ -31,7 +31,12 @@ extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np); #else /* CONFIG_OF */ static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) { - return -ENOSYS; + /* + * Fall back to the non-DT function to register a bus. + * This way, we don't have to keep compat bits around in drivers. + */ + + return mdiobus_register(mdio); } static inline struct phy_device *of_phy_find_device(struct device_node *phy_np) diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h index 1a1f5ffd5288..dde3a4a0fa5d 100644 --- a/include/linux/of_pci.h +++ b/include/linux/of_pci.h @@ -6,14 +6,44 @@ struct pci_dev; struct of_phandle_args; -int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq); -int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin); - struct device_node; + +#ifdef CONFIG_OF +int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq); struct device_node *of_pci_find_child_device(struct device_node *parent, unsigned int devfn); int of_pci_get_devfn(struct device_node *np); +int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin); int of_pci_parse_bus_range(struct device_node *node, struct resource *res); +#else +static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq) +{ + return 0; +} + +static inline struct device_node *of_pci_find_child_device(struct device_node *parent, + unsigned int devfn) +{ + return NULL; +} + +static inline int of_pci_get_devfn(struct device_node *np) +{ + return -EINVAL; +} + +static inline int +of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin) +{ + return 0; +} + +static inline int +of_pci_parse_bus_range(struct device_node *node, struct resource *res) +{ + return -EINVAL; +} +#endif #if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI) int of_pci_msi_chip_add(struct msi_chip *chip); diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h index 05cb4a928252..d96e1badbee0 100644 --- a/include/linux/of_platform.h +++ b/include/linux/of_platform.h @@ -37,7 +37,7 @@ * Note: Using an auxdata lookup table should be considered a last resort when * converting a platform to use the DT. Normally the automatically generated * device name will not matter, and drivers should obtain data from the device - * node instead of from an anonymouns platform_data pointer. + * node instead of from an anonymous platform_data pointer. */ struct of_dev_auxdata { char *compatible; @@ -72,6 +72,7 @@ extern int of_platform_populate(struct device_node *root, const struct of_device_id *matches, const struct of_dev_auxdata *lookup, struct device *parent); +extern int of_platform_depopulate(struct device *parent); #else static inline int of_platform_populate(struct device_node *root, const struct of_device_id *matches, @@ -80,6 +81,10 @@ static inline int of_platform_populate(struct device_node *root, { return -ENODEV; } +static inline int of_platform_depopulate(struct device *parent) +{ + return -ENODEV; +} #endif #endif /* _LINUX_OF_PLATFORM_H */ diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h index 9b1fbb7f29fc..4669ddfdd5af 100644 --- a/include/linux/of_reserved_mem.h +++ b/include/linux/of_reserved_mem.h @@ -21,33 +21,19 @@ struct reserved_mem_ops { struct device *dev); }; -typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem, - unsigned long node, const char *uname); +typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem); + +#define RESERVEDMEM_OF_DECLARE(name, compat, init) \ + _OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn) #ifdef CONFIG_OF_RESERVED_MEM void fdt_init_reserved_mem(void); void fdt_reserved_mem_save_node(unsigned long node, const char *uname, phys_addr_t base, phys_addr_t size); - -#define RESERVEDMEM_OF_DECLARE(name, compat, init) \ - static const struct of_device_id __reservedmem_of_table_##name \ - __used __section(__reservedmem_of_table) \ - = { .compatible = compat, \ - .data = (init == (reservedmem_of_init_fn)NULL) ? \ - init : init } - #else static inline void fdt_init_reserved_mem(void) { } static inline void fdt_reserved_mem_save_node(unsigned long node, const char *uname, phys_addr_t base, phys_addr_t size) { } - -#define RESERVEDMEM_OF_DECLARE(name, compat, init) \ - static const struct of_device_id __reservedmem_of_table_##name \ - __attribute__((unused)) \ - = { .compatible = compat, \ - .data = (init == (reservedmem_of_init_fn)NULL) ? \ - init : init } - #endif #endif /* __OF_RESERVED_MEM_H */ diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h index 41a13e70f41f..c29a6dee6bec 100644 --- a/include/linux/omap-dma.h +++ b/include/linux/omap-dma.h @@ -10,7 +10,7 @@ struct dma_chan; -#if defined(CONFIG_DMA_OMAP) || defined(CONFIG_DMA_OMAP_MODULE) +#if defined(CONFIG_DMA_OMAP) || (defined(CONFIG_DMA_OMAP_MODULE) && defined(MODULE)) bool omap_dma_filter_fn(struct dma_chan *, void *); #else static inline bool omap_dma_filter_fn(struct dma_chan *c, void *d) @@ -393,7 +393,7 @@ extern int omap_modify_dma_chain_params(int chain_id, extern int omap_dma_chain_status(int chain_id); #endif -#if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_FB_OMAP) +#if defined(CONFIG_ARCH_OMAP1) && IS_ENABLED(CONFIG_FB_OMAP) #include <mach/lcd_dma.h> #else static inline int omap_lcd_dma_running(void) diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index d1fe1a761047..2093eb72785e 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -198,6 +198,7 @@ struct page; /* forward declaration */ TESTPAGEFLAG(Locked, locked) PAGEFLAG(Error, error) TESTCLEARFLAG(Error, error) PAGEFLAG(Referenced, referenced) TESTCLEARFLAG(Referenced, referenced) + __SETPAGEFLAG(Referenced, referenced) PAGEFLAG(Dirty, dirty) TESTSCFLAG(Dirty, dirty) __CLEARPAGEFLAG(Dirty, dirty) PAGEFLAG(LRU, lru) __CLEARPAGEFLAG(LRU, lru) PAGEFLAG(Active, active) __CLEARPAGEFLAG(Active, active) @@ -208,6 +209,7 @@ PAGEFLAG(Pinned, pinned) TESTSCFLAG(Pinned, pinned) /* Xen */ PAGEFLAG(SavePinned, savepinned); /* Xen */ PAGEFLAG(Reserved, reserved) __CLEARPAGEFLAG(Reserved, reserved) PAGEFLAG(SwapBacked, swapbacked) __CLEARPAGEFLAG(SwapBacked, swapbacked) + __SETPAGEFLAG(SwapBacked, swapbacked) __PAGEFLAG(SlobFree, slob_free) diff --git a/include/linux/pageblock-flags.h b/include/linux/pageblock-flags.h index 2ee8cd2466b5..2baeee12f48e 100644 --- a/include/linux/pageblock-flags.h +++ b/include/linux/pageblock-flags.h @@ -30,9 +30,12 @@ enum pageblock_bits { PB_migrate, PB_migrate_end = PB_migrate + 3 - 1, /* 3 bits required for migrate types */ -#ifdef CONFIG_COMPACTION PB_migrate_skip,/* If set the block is skipped by compaction */ -#endif /* CONFIG_COMPACTION */ + + /* + * Assume the bits will always align on a word. If this assumption + * changes then get/set pageblock needs updating. + */ NR_PAGEBLOCK_BITS }; @@ -62,11 +65,26 @@ extern int pageblock_order; /* Forward declaration */ struct page; +unsigned long get_pfnblock_flags_mask(struct page *page, + unsigned long pfn, + unsigned long end_bitidx, + unsigned long mask); + +void set_pfnblock_flags_mask(struct page *page, + unsigned long flags, + unsigned long pfn, + unsigned long end_bitidx, + unsigned long mask); + /* Declarations for getting and setting flags. See mm/page_alloc.c */ -unsigned long get_pageblock_flags_group(struct page *page, - int start_bitidx, int end_bitidx); -void set_pageblock_flags_group(struct page *page, unsigned long flags, - int start_bitidx, int end_bitidx); +#define get_pageblock_flags_group(page, start_bitidx, end_bitidx) \ + get_pfnblock_flags_mask(page, page_to_pfn(page), \ + end_bitidx, \ + (1 << (end_bitidx - start_bitidx + 1)) - 1) +#define set_pageblock_flags_group(page, flags, start_bitidx, end_bitidx) \ + set_pfnblock_flags_mask(page, flags, page_to_pfn(page), \ + end_bitidx, \ + (1 << (end_bitidx - start_bitidx + 1)) - 1) #ifdef CONFIG_COMPACTION #define get_pageblock_skip(page) \ diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 45598f1e9aa3..0a97b583ee8d 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -110,7 +110,7 @@ static inline void mapping_set_gfp_mask(struct address_space *m, gfp_t mask) #define page_cache_get(page) get_page(page) #define page_cache_release(page) put_page(page) -void release_pages(struct page **pages, int nr, int cold); +void release_pages(struct page **pages, int nr, bool cold); /* * speculatively take a reference to a page. @@ -259,12 +259,109 @@ pgoff_t page_cache_next_hole(struct address_space *mapping, pgoff_t page_cache_prev_hole(struct address_space *mapping, pgoff_t index, unsigned long max_scan); +#define FGP_ACCESSED 0x00000001 +#define FGP_LOCK 0x00000002 +#define FGP_CREAT 0x00000004 +#define FGP_WRITE 0x00000008 +#define FGP_NOFS 0x00000010 +#define FGP_NOWAIT 0x00000020 + +struct page *pagecache_get_page(struct address_space *mapping, pgoff_t offset, + int fgp_flags, gfp_t cache_gfp_mask, gfp_t radix_gfp_mask); + +/** + * find_get_page - find and get a page reference + * @mapping: the address_space to search + * @offset: the page index + * + * Looks up the page cache slot at @mapping & @offset. If there is a + * page cache page, it is returned with an increased refcount. + * + * Otherwise, %NULL is returned. + */ +static inline struct page *find_get_page(struct address_space *mapping, + pgoff_t offset) +{ + return pagecache_get_page(mapping, offset, 0, 0, 0); +} + +static inline struct page *find_get_page_flags(struct address_space *mapping, + pgoff_t offset, int fgp_flags) +{ + return pagecache_get_page(mapping, offset, fgp_flags, 0, 0); +} + +/** + * find_lock_page - locate, pin and lock a pagecache page + * pagecache_get_page - find and get a page reference + * @mapping: the address_space to search + * @offset: the page index + * + * Looks up the page cache slot at @mapping & @offset. If there is a + * page cache page, it is returned locked and with an increased + * refcount. + * + * Otherwise, %NULL is returned. + * + * find_lock_page() may sleep. + */ +static inline struct page *find_lock_page(struct address_space *mapping, + pgoff_t offset) +{ + return pagecache_get_page(mapping, offset, FGP_LOCK, 0, 0); +} + +/** + * find_or_create_page - locate or add a pagecache page + * @mapping: the page's address_space + * @index: the page's index into the mapping + * @gfp_mask: page allocation mode + * + * Looks up the page cache slot at @mapping & @offset. If there is a + * page cache page, it is returned locked and with an increased + * refcount. + * + * If the page is not present, a new page is allocated using @gfp_mask + * and added to the page cache and the VM's LRU list. The page is + * returned locked and with an increased refcount. + * + * On memory exhaustion, %NULL is returned. + * + * find_or_create_page() may sleep, even if @gfp_flags specifies an + * atomic allocation! + */ +static inline struct page *find_or_create_page(struct address_space *mapping, + pgoff_t offset, gfp_t gfp_mask) +{ + return pagecache_get_page(mapping, offset, + FGP_LOCK|FGP_ACCESSED|FGP_CREAT, + gfp_mask, gfp_mask & GFP_RECLAIM_MASK); +} + +/** + * grab_cache_page_nowait - returns locked page at given index in given cache + * @mapping: target address_space + * @index: the page index + * + * Same as grab_cache_page(), but do not wait if the page is unavailable. + * This is intended for speculative data generators, where the data can + * be regenerated if the page couldn't be grabbed. This routine should + * be safe to call while holding the lock for another page. + * + * Clear __GFP_FS when allocating the page to avoid recursion into the fs + * and deadlock against the caller's locked page. + */ +static inline struct page *grab_cache_page_nowait(struct address_space *mapping, + pgoff_t index) +{ + return pagecache_get_page(mapping, index, + FGP_LOCK|FGP_CREAT|FGP_NOFS|FGP_NOWAIT, + mapping_gfp_mask(mapping), + GFP_NOFS); +} + struct page *find_get_entry(struct address_space *mapping, pgoff_t offset); -struct page *find_get_page(struct address_space *mapping, pgoff_t offset); struct page *find_lock_entry(struct address_space *mapping, pgoff_t offset); -struct page *find_lock_page(struct address_space *mapping, pgoff_t offset); -struct page *find_or_create_page(struct address_space *mapping, pgoff_t index, - gfp_t gfp_mask); unsigned find_get_entries(struct address_space *mapping, pgoff_t start, unsigned int nr_entries, struct page **entries, pgoff_t *indices); @@ -287,8 +384,6 @@ static inline struct page *grab_cache_page(struct address_space *mapping, return find_or_create_page(mapping, index, mapping_gfp_mask(mapping)); } -extern struct page * grab_cache_page_nowait(struct address_space *mapping, - pgoff_t index); extern struct page * read_cache_page(struct address_space *mapping, pgoff_t index, filler_t *filler, void *data); extern struct page * read_cache_page_gfp(struct address_space *mapping, @@ -425,6 +520,8 @@ static inline void wait_on_page_writeback(struct page *page) extern void end_page_writeback(struct page *page); void wait_for_stable_page(struct page *page); +void page_endio(struct page *page, int rw, int err); + /* * Add an arbitrary waiter to a page's wait queue */ diff --git a/include/linux/pci.h b/include/linux/pci.h index aab57b4abe7f..71d9673c1b2c 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -365,6 +365,7 @@ struct pci_dev { #endif phys_addr_t rom; /* Physical address of ROM if it's not from the BAR */ size_t romlen; /* Length of ROM if it's not from the BAR */ + char *driver_override; /* Driver name to force a match */ }; static inline struct pci_dev *pci_physfn(struct pci_dev *dev) @@ -477,6 +478,19 @@ static inline bool pci_is_root_bus(struct pci_bus *pbus) return !(pbus->parent); } +/** + * pci_is_bridge - check if the PCI device is a bridge + * @dev: PCI device + * + * Return true if the PCI device is bridge whether it has subordinate + * or not. + */ +static inline bool pci_is_bridge(struct pci_dev *dev) +{ + return dev->hdr_type == PCI_HEADER_TYPE_BRIDGE || + dev->hdr_type == PCI_HEADER_TYPE_CARDBUS; +} + static inline struct pci_dev *pci_upstream_bridge(struct pci_dev *dev) { dev = pci_physfn(dev); @@ -518,7 +532,7 @@ static inline int pcibios_err_to_errno(int err) case PCIBIOS_FUNC_NOT_SUPPORTED: return -ENOENT; case PCIBIOS_BAD_VENDOR_ID: - return -EINVAL; + return -ENOTTY; case PCIBIOS_DEVICE_NOT_FOUND: return -ENODEV; case PCIBIOS_BAD_REGISTER_NUMBER: @@ -529,7 +543,7 @@ static inline int pcibios_err_to_errno(int err) return -ENOSPC; } - return -ENOTTY; + return -ERANGE; } /* Low-level architecture-dependent routines */ @@ -603,6 +617,9 @@ struct pci_error_handlers { /* PCI slot has been reset */ pci_ers_result_t (*slot_reset)(struct pci_dev *dev); + /* PCI function reset prepare or completed */ + void (*reset_notify)(struct pci_dev *dev, bool prepare); + /* Device driver may resume normal operations */ void (*resume)(struct pci_dev *dev); }; @@ -680,8 +697,8 @@ struct pci_driver { /** * PCI_VDEVICE - macro used to describe a specific pci device in short form - * @vendor: the vendor name - * @device: the 16 bit PCI Device ID + * @vend: the vendor name + * @dev: the 16 bit PCI Device ID * * This macro is used to create a struct pci_device_id that matches a * specific PCI device. The subvendor, and subdevice fields will be set @@ -689,9 +706,9 @@ struct pci_driver { * private data. */ -#define PCI_VDEVICE(vendor, device) \ - PCI_VENDOR_ID_##vendor, (device), \ - PCI_ANY_ID, PCI_ANY_ID, 0, 0 +#define PCI_VDEVICE(vend, dev) \ + .vendor = PCI_VENDOR_ID_##vend, .device = (dev), \ + .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, 0, 0 /* these external functions are only available when PCI support is enabled */ #ifdef CONFIG_PCI @@ -764,7 +781,7 @@ int pci_scan_slot(struct pci_bus *bus, int devfn); struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn); void pci_device_add(struct pci_dev *dev, struct pci_bus *bus); unsigned int pci_scan_child_bus(struct pci_bus *bus); -int __must_check pci_bus_add_device(struct pci_dev *dev); +void pci_bus_add_device(struct pci_dev *dev); void pci_read_bridge_bases(struct pci_bus *child); struct resource *pci_find_parent_resource(const struct pci_dev *dev, struct resource *res); @@ -1158,7 +1175,6 @@ struct msix_entry { #ifdef CONFIG_PCI_MSI int pci_msi_vec_count(struct pci_dev *dev); -int pci_enable_msi_block(struct pci_dev *dev, int nvec); void pci_msi_shutdown(struct pci_dev *dev); void pci_disable_msi(struct pci_dev *dev); int pci_msix_vec_count(struct pci_dev *dev); @@ -1188,8 +1204,6 @@ static inline int pci_enable_msix_exact(struct pci_dev *dev, } #else static inline int pci_msi_vec_count(struct pci_dev *dev) { return -ENOSYS; } -static inline int pci_enable_msi_block(struct pci_dev *dev, int nvec) -{ return -ENOSYS; } static inline void pci_msi_shutdown(struct pci_dev *dev) { } static inline void pci_disable_msi(struct pci_dev *dev) { } static inline int pci_msix_vec_count(struct pci_dev *dev) { return -ENOSYS; } @@ -1244,7 +1258,7 @@ static inline void pcie_set_ecrc_checking(struct pci_dev *dev) { } static inline void pcie_ecrc_get_policy(char *str) { } #endif -#define pci_enable_msi(pdev) pci_enable_msi_block(pdev, 1) +#define pci_enable_msi(pdev) pci_enable_msi_exact(pdev, 1) #ifdef CONFIG_HT_IRQ /* The functions a driver should call */ @@ -1572,13 +1586,13 @@ extern unsigned long pci_hotplug_io_size; extern unsigned long pci_hotplug_mem_size; /* Architecture-specific versions may override these (weak) */ -int pcibios_add_platform_entries(struct pci_dev *dev); void pcibios_disable_device(struct pci_dev *dev); void pcibios_set_master(struct pci_dev *dev); int pcibios_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state); int pcibios_add_device(struct pci_dev *dev); void pcibios_release_device(struct pci_dev *dev); +void pcibios_penalize_isa_irq(int irq, int active); #ifdef CONFIG_HIBERNATE_CALLBACKS extern struct dev_pm_ops pcibios_pm_ops; diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index d4de24b4d4c6..7fa31731c854 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1631,8 +1631,6 @@ #define PCI_DEVICE_ID_ATT_VENUS_MODEM 0x480 #define PCI_VENDOR_ID_SPECIALIX 0x11cb -#define PCI_DEVICE_ID_SPECIALIX_IO8 0x2000 -#define PCI_DEVICE_ID_SPECIALIX_RIO 0x8000 #define PCI_SUBDEVICE_ID_SPECIALIX_SPEED4 0xa004 #define PCI_VENDOR_ID_ANALOG_DEVICES 0x11d4 @@ -2874,7 +2872,6 @@ #define PCI_DEVICE_ID_SCALEMP_VSMP_CTL 0x1010 #define PCI_VENDOR_ID_COMPUTONE 0x8e0e -#define PCI_DEVICE_ID_COMPUTONE_IP2EX 0x0291 #define PCI_DEVICE_ID_COMPUTONE_PG 0x0302 #define PCI_SUBVENDOR_ID_COMPUTONE 0x8e0e #define PCI_SUBDEVICE_ID_COMPUTONE_PG4 0x0001 diff --git a/include/linux/percpu.h b/include/linux/percpu.h index e7a0b95ed527..495c6543a8f2 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -639,7 +639,7 @@ do { \ # define raw_cpu_add_return_8(pcp, val) raw_cpu_generic_add_return(pcp, val) # endif # define raw_cpu_add_return(pcp, val) \ - __pcpu_size_call_return2(raw_add_return_, pcp, val) + __pcpu_size_call_return2(raw_cpu_add_return_, pcp, val) #endif #define raw_cpu_sub_return(pcp, val) raw_cpu_add_return(pcp, -(typeof(pcp))(val)) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 3356abcfff18..a9209118d80f 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -172,6 +172,7 @@ struct perf_event; struct pmu { struct list_head entry; + struct module *module; struct device *dev; const struct attribute_group **attr_groups; const char *name; @@ -402,6 +403,8 @@ struct perf_event { struct ring_buffer *rb; struct list_head rb_entry; + unsigned long rcu_batches; + int rcu_pending; /* poll related */ wait_queue_head_t waitq; diff --git a/include/linux/phy.h b/include/linux/phy.h index 24126c4b27b5..4d0221fd0688 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -75,6 +75,7 @@ typedef enum { PHY_INTERFACE_MODE_SMII, PHY_INTERFACE_MODE_XGMII, PHY_INTERFACE_MODE_MOCA, + PHY_INTERFACE_MODE_QSGMII, PHY_INTERFACE_MODE_MAX, } phy_interface_t; @@ -116,6 +117,8 @@ static inline const char *phy_modes(phy_interface_t interface) return "xgmii"; case PHY_INTERFACE_MODE_MOCA: return "moca"; + case PHY_INTERFACE_MODE_QSGMII: + return "qsgmii"; default: return "unknown"; } diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index e2f5ca96cddc..2760744cb2a7 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -174,21 +174,29 @@ void devm_of_phy_provider_unregister(struct device *dev, #else static inline int phy_pm_runtime_get(struct phy *phy) { + if (!phy) + return 0; return -ENOSYS; } static inline int phy_pm_runtime_get_sync(struct phy *phy) { + if (!phy) + return 0; return -ENOSYS; } static inline int phy_pm_runtime_put(struct phy *phy) { + if (!phy) + return 0; return -ENOSYS; } static inline int phy_pm_runtime_put_sync(struct phy *phy) { + if (!phy) + return 0; return -ENOSYS; } @@ -204,21 +212,29 @@ static inline void phy_pm_runtime_forbid(struct phy *phy) static inline int phy_init(struct phy *phy) { + if (!phy) + return 0; return -ENOSYS; } static inline int phy_exit(struct phy *phy) { + if (!phy) + return 0; return -ENOSYS; } static inline int phy_power_on(struct phy *phy) { + if (!phy) + return 0; return -ENOSYS; } static inline int phy_power_off(struct phy *phy) { + if (!phy) + return 0; return -ENOSYS; } diff --git a/include/linux/platform_data/adau17x1.h b/include/linux/platform_data/adau17x1.h new file mode 100644 index 000000000000..a81766cae230 --- /dev/null +++ b/include/linux/platform_data/adau17x1.h @@ -0,0 +1,109 @@ +/* + * Driver for ADAU1761/ADAU1461/ADAU1761/ADAU1961/ADAU1781/ADAU1781 codecs + * + * Copyright 2011-2014 Analog Devices Inc. + * Author: Lars-Peter Clausen <lars@metafoo.de> + * + * Licensed under the GPL-2 or later. + */ + +#ifndef __LINUX_PLATFORM_DATA_ADAU17X1_H__ +#define __LINUX_PLATFORM_DATA_ADAU17X1_H__ + +/** + * enum adau17x1_micbias_voltage - Microphone bias voltage + * @ADAU17X1_MICBIAS_0_90_AVDD: 0.9 * AVDD + * @ADAU17X1_MICBIAS_0_65_AVDD: 0.65 * AVDD + */ +enum adau17x1_micbias_voltage { + ADAU17X1_MICBIAS_0_90_AVDD = 0, + ADAU17X1_MICBIAS_0_65_AVDD = 1, +}; + +/** + * enum adau1761_digmic_jackdet_pin_mode - Configuration of the JACKDET/MICIN pin + * @ADAU1761_DIGMIC_JACKDET_PIN_MODE_NONE: Disable the pin + * @ADAU1761_DIGMIC_JACKDET_PIN_MODE_DIGMIC: Configure the pin for usage as + * digital microphone input. + * @ADAU1761_DIGMIC_JACKDET_PIN_MODE_JACKDETECT: Configure the pin for jack + * insertion detection. + */ +enum adau1761_digmic_jackdet_pin_mode { + ADAU1761_DIGMIC_JACKDET_PIN_MODE_NONE, + ADAU1761_DIGMIC_JACKDET_PIN_MODE_DIGMIC, + ADAU1761_DIGMIC_JACKDET_PIN_MODE_JACKDETECT, +}; + +/** + * adau1761_jackdetect_debounce_time - Jack insertion detection debounce time + * @ADAU1761_JACKDETECT_DEBOUNCE_5MS: 5 milliseconds + * @ADAU1761_JACKDETECT_DEBOUNCE_10MS: 10 milliseconds + * @ADAU1761_JACKDETECT_DEBOUNCE_20MS: 20 milliseconds + * @ADAU1761_JACKDETECT_DEBOUNCE_40MS: 40 milliseconds + */ +enum adau1761_jackdetect_debounce_time { + ADAU1761_JACKDETECT_DEBOUNCE_5MS = 0, + ADAU1761_JACKDETECT_DEBOUNCE_10MS = 1, + ADAU1761_JACKDETECT_DEBOUNCE_20MS = 2, + ADAU1761_JACKDETECT_DEBOUNCE_40MS = 3, +}; + +/** + * enum adau1761_output_mode - Output mode configuration + * @ADAU1761_OUTPUT_MODE_HEADPHONE: Headphone output + * @ADAU1761_OUTPUT_MODE_HEADPHONE_CAPLESS: Capless headphone output + * @ADAU1761_OUTPUT_MODE_LINE: Line output + */ +enum adau1761_output_mode { + ADAU1761_OUTPUT_MODE_HEADPHONE, + ADAU1761_OUTPUT_MODE_HEADPHONE_CAPLESS, + ADAU1761_OUTPUT_MODE_LINE, +}; + +/** + * struct adau1761_platform_data - ADAU1761 Codec driver platform data + * @input_differential: If true the input pins will be configured in + * differential mode. + * @lineout_mode: Output mode for the LOUT/ROUT pins + * @headphone_mode: Output mode for the LHP/RHP pins + * @digmic_jackdetect_pin_mode: JACKDET/MICIN pin configuration + * @jackdetect_debounce_time: Jack insertion detection debounce time. + * Note: This value will only be used, if the JACKDET/MICIN pin is configured + * for jack insertion detection. + * @jackdetect_active_low: If true the jack insertion detection is active low. + * Othwise it will be active high. + * @micbias_voltage: Microphone voltage bias + */ +struct adau1761_platform_data { + bool input_differential; + enum adau1761_output_mode lineout_mode; + enum adau1761_output_mode headphone_mode; + + enum adau1761_digmic_jackdet_pin_mode digmic_jackdetect_pin_mode; + + enum adau1761_jackdetect_debounce_time jackdetect_debounce_time; + bool jackdetect_active_low; + + enum adau17x1_micbias_voltage micbias_voltage; +}; + +/** + * struct adau1781_platform_data - ADAU1781 Codec driver platform data + * @left_input_differential: If true configure the left input as + * differential input. + * @right_input_differential: If true configure the right input as differntial + * input. + * @use_dmic: If true configure the MIC pins as digital microphone pins instead + * of analog microphone pins. + * @micbias_voltage: Microphone voltage bias + */ +struct adau1781_platform_data { + bool left_input_differential; + bool right_input_differential; + + bool use_dmic; + + enum adau17x1_micbias_voltage micbias_voltage; +}; + +#endif diff --git a/include/linux/platform_data/at91_adc.h b/include/linux/platform_data/at91_adc.h index b3ca1e94e0c8..7819fc787731 100644 --- a/include/linux/platform_data/at91_adc.h +++ b/include/linux/platform_data/at91_adc.h @@ -7,23 +7,10 @@ #ifndef _AT91_ADC_H_ #define _AT91_ADC_H_ -/** - * struct at91_adc_reg_desc - Various informations relative to registers - * @channel_base: Base offset for the channel data registers - * @drdy_mask: Mask of the DRDY field in the relevant registers - (Interruptions registers mostly) - * @status_register: Offset of the Interrupt Status Register - * @trigger_register: Offset of the Trigger setup register - * @mr_prescal_mask: Mask of the PRESCAL field in the adc MR register - * @mr_startup_mask: Mask of the STARTUP field in the adc MR register - */ -struct at91_adc_reg_desc { - u8 channel_base; - u32 drdy_mask; - u8 status_register; - u8 trigger_register; - u32 mr_prescal_mask; - u32 mr_startup_mask; +enum atmel_adc_ts_type { + ATMEL_ADC_TOUCHSCREEN_NONE = 0, + ATMEL_ADC_TOUCHSCREEN_4WIRE = 4, + ATMEL_ADC_TOUCHSCREEN_5WIRE = 5, }; /** @@ -42,23 +29,21 @@ struct at91_adc_trigger { /** * struct at91_adc_data - platform data for ADC driver * @channels_used: channels in use on the board as a bitmask - * @num_channels: global number of channels available on the board - * @registers: Registers definition on the board * @startup_time: startup time of the ADC in microseconds * @trigger_list: Triggers available in the ADC * @trigger_number: Number of triggers available in the ADC * @use_external_triggers: does the board has external triggers availables * @vref: Reference voltage for the ADC in millivolts + * @touchscreen_type: If a touchscreen is connected, its type (4 or 5 wires) */ struct at91_adc_data { unsigned long channels_used; - u8 num_channels; - struct at91_adc_reg_desc *registers; u8 startup_time; struct at91_adc_trigger *trigger_list; u8 trigger_number; bool use_external_triggers; u16 vref; + enum atmel_adc_ts_type touchscreen_type; }; extern void __init at91_add_device_adc(struct at91_adc_data *data); diff --git a/include/linux/platform_data/atmel.h b/include/linux/platform_data/atmel.h index e26b0c14edea..4b452c6a2f7b 100644 --- a/include/linux/platform_data/atmel.h +++ b/include/linux/platform_data/atmel.h @@ -84,14 +84,6 @@ struct atmel_uart_data { short use_dma_rx; /* use receive DMA? */ void __iomem *regs; /* virt. base address, if any */ struct serial_rs485 rs485; /* rs485 settings */ - int rts_gpio; /* optional RTS GPIO */ -}; - - /* Touchscreen Controller */ -struct at91_tsadcc_data { - unsigned int adc_clock; - u8 pendet_debounce; - u8 ts_sample_hold_time; }; /* CAN */ diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h index f50821cb64be..eb8d5627d080 100644 --- a/include/linux/platform_data/edma.h +++ b/include/linux/platform_data/edma.h @@ -43,15 +43,15 @@ /* PaRAM slots are laid out like this */ struct edmacc_param { - unsigned int opt; - unsigned int src; - unsigned int a_b_cnt; - unsigned int dst; - unsigned int src_dst_bidx; - unsigned int link_bcntrld; - unsigned int src_dst_cidx; - unsigned int ccnt; -}; + u32 opt; + u32 src; + u32 a_b_cnt; + u32 dst; + u32 src_dst_bidx; + u32 link_bcntrld; + u32 src_dst_cidx; + u32 ccnt; +} __packed; /* fields in edmacc_param.opt */ #define SAM BIT(0) @@ -130,7 +130,7 @@ void edma_set_src(unsigned slot, dma_addr_t src_port, enum address_mode mode, enum fifo_width); void edma_set_dest(unsigned slot, dma_addr_t dest_port, enum address_mode mode, enum fifo_width); -void edma_get_position(unsigned slot, dma_addr_t *src, dma_addr_t *dst); +dma_addr_t edma_get_position(unsigned slot, bool dst); void edma_set_src_index(unsigned slot, s16 src_bidx, s16 src_cidx); void edma_set_dest_index(unsigned slot, s16 dest_bidx, s16 dest_cidx); void edma_set_transfer_params(unsigned slot, u16 acnt, u16 bcnt, u16 ccnt, @@ -158,13 +158,6 @@ struct edma_rsv_info { /* platform_data for EDMA driver */ struct edma_soc_info { - - /* how many dma resources of each type */ - unsigned n_channel; - unsigned n_region; - unsigned n_slot; - unsigned n_tc; - unsigned n_cc; /* * Default queue is expected to be a low-priority queue. * This way, long transfers on the default queue started @@ -175,7 +168,6 @@ struct edma_soc_info { /* Resource reservation for other cores */ struct edma_rsv_info *rsv; - s8 (*queue_tc_mapping)[2]; s8 (*queue_priority_mapping)[2]; const s16 (*xbar_chans)[2]; }; diff --git a/include/linux/platform_data/max3421-hcd.h b/include/linux/platform_data/max3421-hcd.h new file mode 100644 index 000000000000..0303d1970084 --- /dev/null +++ b/include/linux/platform_data/max3421-hcd.h @@ -0,0 +1,24 @@ +/* + * Copyright (c) 2014 eGauge Systems LLC + * Contributed by David Mosberger-Tang <davidm@egauge.net> + * + * Platform-data structure for MAX3421 USB HCD driver. + * + */ +#ifndef MAX3421_HCD_PLAT_H_INCLUDED +#define MAX3421_HCD_PLAT_H_INCLUDED + +/* + * This structure defines the mapping of certain auxiliary functions to the + * MAX3421E GPIO pins. The chip has eight GP inputs and eight GP outputs. + * A value of 0 indicates that the pin is not used/wired to anything. + * + * At this point, the only control the max3421-hcd driver cares about is + * to control Vbus (5V to the peripheral). + */ +struct max3421_hcd_platform_data { + u8 vbus_gpout; /* pin controlling Vbus */ + u8 vbus_active_level; /* level that turns on power */ +}; + +#endif /* MAX3421_HCD_PLAT_H_INCLUDED */ diff --git a/include/linux/platform_data/mipi-csis.h b/include/linux/platform_data/mipi-csis.h deleted file mode 100644 index c2fd9024717c..000000000000 --- a/include/linux/platform_data/mipi-csis.h +++ /dev/null @@ -1,28 +0,0 @@ -/* - * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd. - * - * Samsung S5P/Exynos SoC series MIPI CSIS device support - * - * 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. - */ - -#ifndef __PLAT_SAMSUNG_MIPI_CSIS_H_ -#define __PLAT_SAMSUNG_MIPI_CSIS_H_ __FILE__ - -/** - * struct s5p_platform_mipi_csis - platform data for S5P MIPI-CSIS driver - * @clk_rate: bus clock frequency - * @wclk_source: CSI wrapper clock selection: 0 - bus clock, 1 - ext. SCLK_CAM - * @lanes: number of data lanes used - * @hs_settle: HS-RX settle time - */ -struct s5p_platform_mipi_csis { - unsigned long clk_rate; - u8 wclk_source; - u8 lanes; - u8 hs_settle; -}; - -#endif /* __PLAT_SAMSUNG_MIPI_CSIS_H_ */ diff --git a/include/linux/platform_data/syscon.h b/include/linux/platform_data/syscon.h new file mode 100644 index 000000000000..2354c6fa3726 --- /dev/null +++ b/include/linux/platform_data/syscon.h @@ -0,0 +1,8 @@ +#ifndef PLATFORM_DATA_SYSCON_H +#define PLATFORM_DATA_SYSCON_H + +struct syscon_platform_data { + const char *label; +}; + +#endif diff --git a/include/linux/plist.h b/include/linux/plist.h index aa0fb390bd29..8b6c970cff6c 100644 --- a/include/linux/plist.h +++ b/include/linux/plist.h @@ -98,6 +98,13 @@ struct plist_node { } /** + * PLIST_HEAD - declare and init plist_head + * @head: name for struct plist_head variable + */ +#define PLIST_HEAD(head) \ + struct plist_head head = PLIST_HEAD_INIT(head) + +/** * PLIST_NODE_INIT - static struct plist_node initializer * @node: struct plist_node variable name * @__prio: initial node priority @@ -134,6 +141,8 @@ static inline void plist_node_init(struct plist_node *node, int prio) extern void plist_add(struct plist_node *node, struct plist_head *head); extern void plist_del(struct plist_node *node, struct plist_head *head); +extern void plist_requeue(struct plist_node *node, struct plist_head *head); + /** * plist_for_each - iterate over the plist * @pos: the type * to use as a loop counter @@ -143,6 +152,16 @@ extern void plist_del(struct plist_node *node, struct plist_head *head); list_for_each_entry(pos, &(head)->node_list, node_list) /** + * plist_for_each_continue - continue iteration over the plist + * @pos: the type * to use as a loop cursor + * @head: the head for your list + * + * Continue to iterate over plist, continuing after the current position. + */ +#define plist_for_each_continue(pos, head) \ + list_for_each_entry_continue(pos, &(head)->node_list, node_list) + +/** * plist_for_each_safe - iterate safely over a plist of given type * @pos: the type * to use as a loop counter * @n: another type * to use as temporary storage @@ -163,6 +182,18 @@ extern void plist_del(struct plist_node *node, struct plist_head *head); list_for_each_entry(pos, &(head)->node_list, mem.node_list) /** + * plist_for_each_entry_continue - continue iteration over list of given type + * @pos: the type * to use as a loop cursor + * @head: the head for your list + * @m: the name of the list_struct within the struct + * + * Continue to iterate over list of given type, continuing after + * the current position. + */ +#define plist_for_each_entry_continue(pos, head, m) \ + list_for_each_entry_continue(pos, &(head)->node_list, m.node_list) + +/** * plist_for_each_entry_safe - iterate safely over list of given type * @pos: the type * to use as a loop counter * @n: another type * to use as temporary storage @@ -229,6 +260,20 @@ static inline int plist_node_empty(const struct plist_node *node) #endif /** + * plist_next - get the next entry in list + * @pos: the type * to cursor + */ +#define plist_next(pos) \ + list_next_entry(pos, node_list) + +/** + * plist_prev - get the prev entry in list + * @pos: the type * to cursor + */ +#define plist_prev(pos) \ + list_prev_entry(pos, node_list) + +/** * plist_first - return the first node (and thus, highest priority) * @head: the &struct plist_head pointer * diff --git a/include/linux/pm.h b/include/linux/pm.h index d915d0345fa1..72c0fe098a27 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -93,13 +93,23 @@ typedef struct pm_message { * been registered) to recover from the race condition. * This method is executed for all kinds of suspend transitions and is * followed by one of the suspend callbacks: @suspend(), @freeze(), or - * @poweroff(). The PM core executes subsystem-level @prepare() for all - * devices before starting to invoke suspend callbacks for any of them, so - * generally devices may be assumed to be functional or to respond to - * runtime resume requests while @prepare() is being executed. However, - * device drivers may NOT assume anything about the availability of user - * space at that time and it is NOT valid to request firmware from within - * @prepare() (it's too late to do that). It also is NOT valid to allocate + * @poweroff(). If the transition is a suspend to memory or standby (that + * is, not related to hibernation), the return value of @prepare() may be + * used to indicate to the PM core to leave the device in runtime suspend + * if applicable. Namely, if @prepare() returns a positive number, the PM + * core will understand that as a declaration that the device appears to be + * runtime-suspended and it may be left in that state during the entire + * transition and during the subsequent resume if all of its descendants + * are left in runtime suspend too. If that happens, @complete() will be + * executed directly after @prepare() and it must ensure the proper + * functioning of the device after the system resume. + * The PM core executes subsystem-level @prepare() for all devices before + * starting to invoke suspend callbacks for any of them, so generally + * devices may be assumed to be functional or to respond to runtime resume + * requests while @prepare() is being executed. However, device drivers + * may NOT assume anything about the availability of user space at that + * time and it is NOT valid to request firmware from within @prepare() + * (it's too late to do that). It also is NOT valid to allocate * substantial amounts of memory from @prepare() in the GFP_KERNEL mode. * [To work around these limitations, drivers may register suspend and * hibernation notifiers to be executed before the freezing of tasks.] @@ -112,7 +122,16 @@ typedef struct pm_message { * of the other devices that the PM core has unsuccessfully attempted to * suspend earlier). * The PM core executes subsystem-level @complete() after it has executed - * the appropriate resume callbacks for all devices. + * the appropriate resume callbacks for all devices. If the corresponding + * @prepare() at the beginning of the suspend transition returned a + * positive number and the device was left in runtime suspend (without + * executing any suspend and resume callbacks for it), @complete() will be + * the only callback executed for the device during resume. In that case, + * @complete() must be prepared to do whatever is necessary to ensure the + * proper functioning of the device after the system resume. To this end, + * @complete() can check the power.direct_complete flag of the device to + * learn whether (unset) or not (set) the previous suspend and resume + * callbacks have been executed for it. * * @suspend: Executed before putting the system into a sleep state in which the * contents of main memory are preserved. The exact action to perform @@ -546,6 +565,7 @@ struct dev_pm_info { bool is_late_suspended:1; bool ignore_children:1; bool early_init:1; /* Owned by the PM core */ + bool direct_complete:1; /* Owned by the PM core */ spinlock_t lock; #ifdef CONFIG_PM_SLEEP struct list_head entry; diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index 5151b0059585..0330217abfad 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -15,7 +15,6 @@ #define __LINUX_OPP_H__ #include <linux/err.h> -#include <linux/cpufreq.h> #include <linux/notifier.h> struct dev_pm_opp; @@ -117,23 +116,4 @@ static inline int of_init_opp_table(struct device *dev) } #endif -#if defined(CONFIG_CPU_FREQ) && defined(CONFIG_PM_OPP) -int dev_pm_opp_init_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table); -void dev_pm_opp_free_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table); -#else -static inline int dev_pm_opp_init_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table) -{ - return -EINVAL; -} - -static inline -void dev_pm_opp_free_cpufreq_table(struct device *dev, - struct cpufreq_frequency_table **table) -{ -} -#endif /* CONFIG_CPU_FREQ */ - #endif /* __LINUX_OPP_H__ */ diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 2a5897a4afbc..43fd6716f662 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -101,6 +101,11 @@ static inline bool pm_runtime_status_suspended(struct device *dev) return dev->power.runtime_status == RPM_SUSPENDED; } +static inline bool pm_runtime_suspended_if_enabled(struct device *dev) +{ + return pm_runtime_status_suspended(dev) && dev->power.disable_depth == 1; +} + static inline bool pm_runtime_enabled(struct device *dev) { return !dev->power.disable_depth; @@ -150,6 +155,7 @@ static inline void device_set_run_wake(struct device *dev, bool enable) {} static inline bool pm_runtime_suspended(struct device *dev) { return false; } static inline bool pm_runtime_active(struct device *dev) { return true; } static inline bool pm_runtime_status_suspended(struct device *dev) { return false; } +static inline bool pm_runtime_suspended_if_enabled(struct device *dev) { return false; } static inline bool pm_runtime_enabled(struct device *dev) { return false; } static inline void pm_runtime_no_callbacks(struct device *dev) {} diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index c9dc4e09854c..f2b76aeaf4e4 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -264,6 +264,8 @@ static inline int power_supply_is_system_supplied(void) { return -ENOSYS; } extern int power_supply_register(struct device *parent, struct power_supply *psy); +extern int power_supply_register_no_ws(struct device *parent, + struct power_supply *psy); extern void power_supply_unregister(struct power_supply *psy); extern int power_supply_powers(struct power_supply *psy, struct device *dev); diff --git a/include/linux/printk.h b/include/linux/printk.h index 8752f7595b27..319ff7e53efb 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -30,6 +30,17 @@ static inline const char *printk_skip_level(const char *buffer) return buffer; } +/* printk's without a loglevel use this.. */ +#define DEFAULT_MESSAGE_LOGLEVEL CONFIG_DEFAULT_MESSAGE_LOGLEVEL + +/* We show everything that is MORE important than this.. */ +#define CONSOLE_LOGLEVEL_SILENT 0 /* Mum's the word */ +#define CONSOLE_LOGLEVEL_MIN 1 /* Minimum loglevel we let people use */ +#define CONSOLE_LOGLEVEL_QUIET 4 /* Shhh ..., when booted with "quiet" */ +#define CONSOLE_LOGLEVEL_DEFAULT 7 /* anything MORE serious than KERN_DEBUG */ +#define CONSOLE_LOGLEVEL_DEBUG 10 /* issue debug messages */ +#define CONSOLE_LOGLEVEL_MOTORMOUTH 15 /* You can't shut this one up */ + extern int console_printk[]; #define console_loglevel (console_printk[0]) @@ -39,13 +50,13 @@ extern int console_printk[]; static inline void console_silent(void) { - console_loglevel = 0; + console_loglevel = CONSOLE_LOGLEVEL_SILENT; } static inline void console_verbose(void) { if (console_loglevel) - console_loglevel = 15; + console_loglevel = CONSOLE_LOGLEVEL_MOTORMOUTH; } struct va_format { @@ -128,9 +139,9 @@ asmlinkage __printf(1, 2) __cold int printk(const char *fmt, ...); /* - * Special printk facility for scheduler use only, _DO_NOT_USE_ ! + * Special printk facility for scheduler/timekeeping use only, _DO_NOT_USE_ ! */ -__printf(1, 2) __cold int printk_sched(const char *fmt, ...); +__printf(1, 2) __cold int printk_deferred(const char *fmt, ...); /* * Please don't use printk_ratelimit(), because it shares ratelimiting state @@ -165,7 +176,7 @@ int printk(const char *s, ...) return 0; } static inline __printf(1, 2) __cold -int printk_sched(const char *s, ...) +int printk_deferred(const char *s, ...) { return 0; } @@ -210,6 +221,12 @@ extern asmlinkage void dump_stack(void) __cold; #define pr_fmt(fmt) fmt #endif +/* + * These can be used to print at the various log levels. + * All of these will print unconditionally, although note that pr_debug() + * and other debug macros are compiled out unless either DEBUG is defined + * or CONFIG_DYNAMIC_DEBUG is set. + */ #define pr_emerg(fmt, ...) \ printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) #define pr_alert(fmt, ...) \ @@ -266,9 +283,20 @@ extern asmlinkage void dump_stack(void) __cold; printk(fmt, ##__VA_ARGS__); \ } \ }) +#define printk_deferred_once(fmt, ...) \ +({ \ + static bool __print_once __read_mostly; \ + \ + if (!__print_once) { \ + __print_once = true; \ + printk_deferred(fmt, ##__VA_ARGS__); \ + } \ +}) #else #define printk_once(fmt, ...) \ no_printk(fmt, ##__VA_ARGS__) +#define printk_deferred_once(fmt, ...) \ + no_printk(fmt, ##__VA_ARGS__) #endif #define pr_emerg_once(fmt, ...) \ diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 608e60a74c3c..9d117f61d976 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -44,6 +44,10 @@ extern int remove_proc_subtree(const char *, struct proc_dir_entry *); #else /* CONFIG_PROC_FS */ +static inline void proc_root_init(void) +{ +} + static inline void proc_flush_task(struct task_struct *task) { } diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 00a7fd61b3c6..5a75d19aa661 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -44,6 +44,7 @@ #include <linux/debugobjects.h> #include <linux/bug.h> #include <linux/compiler.h> +#include <linux/percpu.h> #include <asm/barrier.h> extern int rcu_expedited; /* for sysctl */ @@ -51,7 +52,17 @@ extern int rcu_expedited; /* for sysctl */ extern int rcutorture_runnable; /* for sysctl */ #endif /* #ifdef CONFIG_RCU_TORTURE_TEST */ +enum rcutorture_type { + RCU_FLAVOR, + RCU_BH_FLAVOR, + RCU_SCHED_FLAVOR, + SRCU_FLAVOR, + INVALID_RCU_FLAVOR +}; + #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) +void rcutorture_get_gp_data(enum rcutorture_type test_type, int *flags, + unsigned long *gpnum, unsigned long *completed); void rcutorture_record_test_transition(void); void rcutorture_record_progress(unsigned long vernum); void do_trace_rcu_torture_read(const char *rcutorturename, @@ -60,6 +71,15 @@ void do_trace_rcu_torture_read(const char *rcutorturename, unsigned long c_old, unsigned long c); #else +static inline void rcutorture_get_gp_data(enum rcutorture_type test_type, + int *flags, + unsigned long *gpnum, + unsigned long *completed) +{ + *flags = 0; + *gpnum = 0; + *completed = 0; +} static inline void rcutorture_record_test_transition(void) { } @@ -228,6 +248,18 @@ void rcu_idle_exit(void); void rcu_irq_enter(void); void rcu_irq_exit(void); +#ifdef CONFIG_RCU_STALL_COMMON +void rcu_sysrq_start(void); +void rcu_sysrq_end(void); +#else /* #ifdef CONFIG_RCU_STALL_COMMON */ +static inline void rcu_sysrq_start(void) +{ +} +static inline void rcu_sysrq_end(void) +{ +} +#endif /* #else #ifdef CONFIG_RCU_STALL_COMMON */ + #ifdef CONFIG_RCU_USER_QS void rcu_user_enter(void); void rcu_user_exit(void); @@ -268,6 +300,41 @@ bool __rcu_is_watching(void); #endif /* #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_RCU_TRACE) || defined(CONFIG_SMP) */ /* + * Hooks for cond_resched() and friends to avoid RCU CPU stall warnings. + */ + +#define RCU_COND_RESCHED_LIM 256 /* ms vs. 100s of ms. */ +DECLARE_PER_CPU(int, rcu_cond_resched_count); +void rcu_resched(void); + +/* + * Is it time to report RCU quiescent states? + * + * Note unsynchronized access to rcu_cond_resched_count. Yes, we might + * increment some random CPU's count, and possibly also load the result from + * yet another CPU's count. We might even clobber some other CPU's attempt + * to zero its counter. This is all OK because the goal is not precision, + * but rather reasonable amortization of rcu_note_context_switch() overhead + * and extremely high probability of avoiding RCU CPU stall warnings. + * Note that this function has to be preempted in just the wrong place, + * many thousands of times in a row, for anything bad to happen. + */ +static inline bool rcu_should_resched(void) +{ + return raw_cpu_inc_return(rcu_cond_resched_count) >= + RCU_COND_RESCHED_LIM; +} + +/* + * Report quiscent states to RCU if it is time to do so. + */ +static inline void rcu_cond_resched(void) +{ + if (unlikely(rcu_should_resched())) + rcu_resched(); +} + +/* * Infrastructure to implement the synchronize_() primitives in * TREE_RCU and rcu_barrier_() primitives in TINY_RCU. */ @@ -328,7 +395,7 @@ extern struct lockdep_map rcu_lock_map; extern struct lockdep_map rcu_bh_lock_map; extern struct lockdep_map rcu_sched_lock_map; extern struct lockdep_map rcu_callback_map; -extern int debug_lockdep_rcu_enabled(void); +int debug_lockdep_rcu_enabled(void); /** * rcu_read_lock_held() - might we be in RCU read-side critical section? @@ -949,6 +1016,9 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) * pointers, but you must use rcu_assign_pointer() to initialize the * external-to-structure pointer -after- you have completely initialized * the reader-accessible portions of the linked structure. + * + * Note that unlike rcu_assign_pointer(), RCU_INIT_POINTER() provides no + * ordering guarantees for either the CPU or the compiler. */ #define RCU_INIT_POINTER(p, v) \ do { \ diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index 425c659d54e5..d40a6a451330 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -119,6 +119,10 @@ static inline void rcu_sched_force_quiescent_state(void) { } +static inline void show_rcu_gp_kthreads(void) +{ +} + static inline void rcu_cpu_stall_reset(void) { } diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index a59ca05fd4e3..3e2f5d432743 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -84,6 +84,7 @@ extern unsigned long rcutorture_vernum; long rcu_batches_completed(void); long rcu_batches_completed_bh(void); long rcu_batches_completed_sched(void); +void show_rcu_gp_kthreads(void); void rcu_force_quiescent_state(void); void rcu_bh_force_quiescent_state(void); diff --git a/include/linux/reboot.h b/include/linux/reboot.h index 9e7db9e73cc1..48bf152761c7 100644 --- a/include/linux/reboot.h +++ b/include/linux/reboot.h @@ -20,13 +20,13 @@ enum reboot_mode { extern enum reboot_mode reboot_mode; enum reboot_type { - BOOT_TRIPLE = 't', - BOOT_KBD = 'k', - BOOT_BIOS = 'b', - BOOT_ACPI = 'a', - BOOT_EFI = 'e', - BOOT_CF9 = 'p', - BOOT_CF9_COND = 'q', + BOOT_TRIPLE = 't', + BOOT_KBD = 'k', + BOOT_BIOS = 'b', + BOOT_ACPI = 'a', + BOOT_EFI = 'e', + BOOT_CF9_FORCE = 'p', + BOOT_CF9_SAFE = 'q', }; extern enum reboot_type reboot_type; diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 85691b9b4fa7..7b0e4b425cdf 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -276,6 +276,10 @@ typedef int (*regmap_hw_async_write)(void *context, typedef int (*regmap_hw_read)(void *context, const void *reg_buf, size_t reg_size, void *val_buf, size_t val_size); +typedef int (*regmap_hw_reg_read)(void *context, unsigned int reg, + unsigned int *val); +typedef int (*regmap_hw_reg_write)(void *context, unsigned int reg, + unsigned int val); typedef struct regmap_async *(*regmap_hw_async_alloc)(void); typedef void (*regmap_hw_free_context)(void *context); @@ -309,7 +313,9 @@ struct regmap_bus { regmap_hw_write write; regmap_hw_gather_write gather_write; regmap_hw_async_write async_write; + regmap_hw_reg_write reg_write; regmap_hw_read read; + regmap_hw_reg_read reg_read; regmap_hw_free_context free_context; regmap_hw_async_alloc async_alloc; u8 read_flag_mask; diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index e530681bea70..a2d9d81038d1 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -151,11 +151,13 @@ int regulator_register_supply_alias(struct device *dev, const char *id, const char *alias_id); void regulator_unregister_supply_alias(struct device *dev, const char *id); -int regulator_bulk_register_supply_alias(struct device *dev, const char **id, +int regulator_bulk_register_supply_alias(struct device *dev, + const char *const *id, struct device *alias_dev, - const char **alias_id, int num_id); + const char *const *alias_id, + int num_id); void regulator_bulk_unregister_supply_alias(struct device *dev, - const char **id, int num_id); + const char * const *id, int num_id); int devm_regulator_register_supply_alias(struct device *dev, const char *id, struct device *alias_dev, @@ -164,12 +166,12 @@ void devm_regulator_unregister_supply_alias(struct device *dev, const char *id); int devm_regulator_bulk_register_supply_alias(struct device *dev, - const char **id, + const char *const *id, struct device *alias_dev, - const char **alias_id, + const char *const *alias_id, int num_id); void devm_regulator_bulk_unregister_supply_alias(struct device *dev, - const char **id, + const char *const *id, int num_id); /* regulator output control and status */ @@ -258,14 +260,14 @@ regulator_get_exclusive(struct device *dev, const char *id) static inline struct regulator *__must_check regulator_get_optional(struct device *dev, const char *id) { - return NULL; + return ERR_PTR(-ENODEV); } static inline struct regulator *__must_check devm_regulator_get_optional(struct device *dev, const char *id) { - return NULL; + return ERR_PTR(-ENODEV); } static inline void regulator_put(struct regulator *regulator) @@ -290,17 +292,17 @@ static inline void regulator_unregister_supply_alias(struct device *dev, } static inline int regulator_bulk_register_supply_alias(struct device *dev, - const char **id, - struct device *alias_dev, - const char **alias_id, - int num_id) + const char *const *id, + struct device *alias_dev, + const char * const *alias_id, + int num_id) { return 0; } static inline void regulator_bulk_unregister_supply_alias(struct device *dev, - const char **id, - int num_id) + const char * const *id, + int num_id) { } @@ -317,15 +319,17 @@ static inline void devm_regulator_unregister_supply_alias(struct device *dev, { } -static inline int devm_regulator_bulk_register_supply_alias( - struct device *dev, const char **id, struct device *alias_dev, - const char **alias_id, int num_id) +static inline int devm_regulator_bulk_register_supply_alias(struct device *dev, + const char *const *id, + struct device *alias_dev, + const char *const *alias_id, + int num_id) { return 0; } static inline void devm_regulator_bulk_unregister_supply_alias( - struct device *dev, const char **id, int num_id) + struct device *dev, const char *const *id, int num_id) { } @@ -397,6 +401,12 @@ static inline int regulator_set_voltage(struct regulator *regulator, return 0; } +static inline int regulator_set_voltage_time(struct regulator *regulator, + int old_uV, int new_uV) +{ + return 0; +} + static inline int regulator_get_voltage(struct regulator *regulator) { return -EINVAL; diff --git a/include/linux/reset.h b/include/linux/reset.h index c0eda5023d74..349f150ae12c 100644 --- a/include/linux/reset.h +++ b/include/linux/reset.h @@ -2,6 +2,7 @@ #define _LINUX_RESET_H_ struct device; +struct device_node; struct reset_control; #ifdef CONFIG_RESET_CONTROLLER @@ -33,6 +34,9 @@ static inline struct reset_control *devm_reset_control_get_optional( return devm_reset_control_get(dev, id); } +struct reset_control *of_reset_control_get(struct device_node *node, + const char *id); + #else static inline int reset_control_reset(struct reset_control *rstc) @@ -75,6 +79,12 @@ static inline struct reset_control *devm_reset_control_get_optional( return ERR_PTR(-ENOSYS); } +static inline struct reset_control *of_reset_control_get( + struct device_node *node, const char *id) +{ + return ERR_PTR(-ENOSYS); +} + #endif /* CONFIG_RESET_CONTROLLER */ #endif diff --git a/include/linux/rmap.h b/include/linux/rmap.h index b66c2110cb1f..be574506e6a9 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -72,10 +72,9 @@ struct anon_vma_chain { }; enum ttu_flags { - TTU_UNMAP = 0, /* unmap mode */ - TTU_MIGRATION = 1, /* migration mode */ - TTU_MUNLOCK = 2, /* munlock mode */ - TTU_ACTION_MASK = 0xff, + TTU_UNMAP = 1, /* unmap mode */ + TTU_MIGRATION = 2, /* migration mode */ + TTU_MUNLOCK = 4, /* munlock mode */ TTU_IGNORE_MLOCK = (1 << 8), /* ignore mlock */ TTU_IGNORE_ACCESS = (1 << 9), /* don't age */ @@ -183,14 +182,10 @@ static inline void page_dup_rmap(struct page *page) */ int page_referenced(struct page *, int is_locked, struct mem_cgroup *memcg, unsigned long *vm_flags); -int page_referenced_one(struct page *, struct vm_area_struct *, - unsigned long address, void *arg); #define TTU_ACTION(x) ((x) & TTU_ACTION_MASK) int try_to_unmap(struct page *, enum ttu_flags flags); -int try_to_unmap_one(struct page *, struct vm_area_struct *, - unsigned long address, void *arg); /* * Called from mm/filemap_xip.c to unmap empty zero page diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 8e3e66ac0a52..953937ea5233 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -4,6 +4,7 @@ #include <linux/mutex.h> #include <linux/netdevice.h> +#include <linux/wait.h> #include <uapi/linux/rtnetlink.h> extern int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, u32 group, int echo); @@ -22,6 +23,10 @@ extern void rtnl_lock(void); extern void rtnl_unlock(void); extern int rtnl_trylock(void); extern int rtnl_is_locked(void); + +extern wait_queue_head_t netdev_unregistering_wq; +extern struct mutex net_mutex; + #ifdef CONFIG_PROVE_LOCKING extern int lockdep_rtnl_is_held(void); #else diff --git a/include/linux/sched.h b/include/linux/sched.h index 25f54c79f757..8fcd0e6098d9 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -137,12 +137,6 @@ struct filename; #define VMACACHE_MASK (VMACACHE_SIZE - 1) /* - * List of flags we want to share for kernel threads, - * if only because they are not used by them anyway. - */ -#define CLONE_KERNEL (CLONE_FS | CLONE_FILES | CLONE_SIGHAND) - -/* * These are the constant used to fake the fixed-point load-average * counting. Some notes: * - 11 bit fractions expand to 22 bits by the multiplies: this gives @@ -220,7 +214,7 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq); #define TASK_PARKED 512 #define TASK_STATE_MAX 1024 -#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKWP" +#define TASK_STATE_TO_CHAR_STR "RSDTtXZxKWP" extern char ___assert_task_state[1 - 2*!!( sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1)]; @@ -745,7 +739,6 @@ static inline int signal_group_exit(const struct signal_struct *sig) struct user_struct { atomic_t __count; /* reference count */ atomic_t processes; /* How many processes does this user have? */ - atomic_t files; /* How many open files does this user have? */ atomic_t sigpending; /* How many pending signals does this user have? */ #ifdef CONFIG_INOTIFY_USER atomic_t inotify_watches; /* How many inotify watches does this user have? */ @@ -870,6 +863,7 @@ enum cpu_idle_type { #define SD_BALANCE_WAKE 0x0010 /* Balance on wakeup */ #define SD_WAKE_AFFINE 0x0020 /* Wake task to waking CPU */ #define SD_SHARE_CPUPOWER 0x0080 /* Domain members share cpu power */ +#define SD_SHARE_POWERDOMAIN 0x0100 /* Domain members share power domain */ #define SD_SHARE_PKG_RESOURCES 0x0200 /* Domain members share cpu pkg resources */ #define SD_SERIALIZE 0x0400 /* Only a single load balancing instance */ #define SD_ASYM_PACKING 0x0800 /* Place busy groups earlier in the domain */ @@ -877,7 +871,26 @@ enum cpu_idle_type { #define SD_OVERLAP 0x2000 /* sched_domains of this level overlap */ #define SD_NUMA 0x4000 /* cross-node balancing */ -extern int __weak arch_sd_sibiling_asym_packing(void); +#ifdef CONFIG_SCHED_SMT +static inline const int cpu_smt_flags(void) +{ + return SD_SHARE_CPUPOWER | SD_SHARE_PKG_RESOURCES; +} +#endif + +#ifdef CONFIG_SCHED_MC +static inline const int cpu_core_flags(void) +{ + return SD_SHARE_PKG_RESOURCES; +} +#endif + +#ifdef CONFIG_NUMA +static inline const int cpu_numa_flags(void) +{ + return SD_NUMA; +} +#endif struct sched_domain_attr { int relax_domain_level; @@ -985,6 +998,38 @@ void free_sched_domains(cpumask_var_t doms[], unsigned int ndoms); bool cpus_share_cache(int this_cpu, int that_cpu); +typedef const struct cpumask *(*sched_domain_mask_f)(int cpu); +typedef const int (*sched_domain_flags_f)(void); + +#define SDTL_OVERLAP 0x01 + +struct sd_data { + struct sched_domain **__percpu sd; + struct sched_group **__percpu sg; + struct sched_group_power **__percpu sgp; +}; + +struct sched_domain_topology_level { + sched_domain_mask_f mask; + sched_domain_flags_f sd_flags; + int flags; + int numa_level; + struct sd_data data; +#ifdef CONFIG_SCHED_DEBUG + char *name; +#endif +}; + +extern struct sched_domain_topology_level *sched_domain_topology; + +extern void set_sched_topology(struct sched_domain_topology_level *tl); + +#ifdef CONFIG_SCHED_DEBUG +# define SD_INIT_NAME(type) .name = #type +#else +# define SD_INIT_NAME(type) +#endif + #else /* CONFIG_SMP */ struct sched_domain_attr; @@ -1123,8 +1168,8 @@ struct sched_dl_entity { /* * Original scheduling parameters. Copied here from sched_attr - * during sched_setscheduler2(), they will remain the same until - * the next sched_setscheduler2(). + * during sched_setattr(), they will remain the same until + * the next sched_setattr(). */ u64 dl_runtime; /* maximum runtime for each instance */ u64 dl_deadline; /* relative deadline of each instance */ @@ -1153,9 +1198,12 @@ struct sched_dl_entity { * * @dl_boosted tells if we are boosted due to DI. If so we are * outside bandwidth enforcement mechanism (but only until we - * exit the critical section). + * exit the critical section); + * + * @dl_yielded tells if task gave up the cpu before consuming + * all its available runtime during the last job. */ - int dl_throttled, dl_new, dl_boosted; + int dl_throttled, dl_new, dl_boosted, dl_yielded; /* * Bandwidth enforcement timer. Each -deadline task has its @@ -2720,51 +2768,9 @@ static inline int spin_needbreak(spinlock_t *lock) /* * Idle thread specific functions to determine the need_resched - * polling state. We have two versions, one based on TS_POLLING in - * thread_info.status and one based on TIF_POLLING_NRFLAG in - * thread_info.flags + * polling state. */ -#ifdef TS_POLLING -static inline int tsk_is_polling(struct task_struct *p) -{ - return task_thread_info(p)->status & TS_POLLING; -} -static inline void __current_set_polling(void) -{ - current_thread_info()->status |= TS_POLLING; -} - -static inline bool __must_check current_set_polling_and_test(void) -{ - __current_set_polling(); - - /* - * Polling state must be visible before we test NEED_RESCHED, - * paired by resched_task() - */ - smp_mb(); - - return unlikely(tif_need_resched()); -} - -static inline void __current_clr_polling(void) -{ - current_thread_info()->status &= ~TS_POLLING; -} - -static inline bool __must_check current_clr_polling_and_test(void) -{ - __current_clr_polling(); - - /* - * Polling state must be visible before we test NEED_RESCHED, - * paired by resched_task() - */ - smp_mb(); - - return unlikely(tif_need_resched()); -} -#elif defined(TIF_POLLING_NRFLAG) +#ifdef TIF_POLLING_NRFLAG static inline int tsk_is_polling(struct task_struct *p) { return test_tsk_thread_flag(p, TIF_POLLING_NRFLAG); @@ -2782,10 +2788,8 @@ static inline bool __must_check current_set_polling_and_test(void) /* * Polling state must be visible before we test NEED_RESCHED, * paired by resched_task() - * - * XXX: assumes set/clear bit are identical barrier wise. */ - smp_mb__after_clear_bit(); + smp_mb__after_atomic(); return unlikely(tif_need_resched()); } @@ -2803,7 +2807,7 @@ static inline bool __must_check current_clr_polling_and_test(void) * Polling state must be visible before we test NEED_RESCHED, * paired by resched_task() */ - smp_mb__after_clear_bit(); + smp_mb__after_atomic(); return unlikely(tif_need_resched()); } @@ -2956,7 +2960,7 @@ static inline void inc_syscw(struct task_struct *tsk) #define TASK_SIZE_OF(tsk) TASK_SIZE #endif -#ifdef CONFIG_MM_OWNER +#ifdef CONFIG_MEMCG extern void mm_update_next_owner(struct mm_struct *mm); extern void mm_init_owner(struct mm_struct *mm, struct task_struct *p); #else @@ -2967,7 +2971,7 @@ static inline void mm_update_next_owner(struct mm_struct *mm) static inline void mm_init_owner(struct mm_struct *mm, struct task_struct *p) { } -#endif /* CONFIG_MM_OWNER */ +#endif /* CONFIG_MEMCG */ static inline unsigned long task_rlimit(const struct task_struct *tsk, unsigned int limit) diff --git a/include/linux/sched/prio.h b/include/linux/sched/prio.h index ac322583c820..d9cf5a5762d9 100644 --- a/include/linux/sched/prio.h +++ b/include/linux/sched/prio.h @@ -41,4 +41,20 @@ #define TASK_USER_PRIO(p) USER_PRIO((p)->static_prio) #define MAX_USER_PRIO (USER_PRIO(MAX_PRIO)) +/* + * Convert nice value [19,-20] to rlimit style value [1,40]. + */ +static inline long nice_to_rlimit(long nice) +{ + return (MAX_NICE - nice + 1); +} + +/* + * Convert rlimit style value [1,40] to nice value [-20, 19]. + */ +static inline long rlimit_to_nice(long prio) +{ + return (MAX_NICE - prio + 1); +} + #endif /* _SCHED_PRIO_H */ diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h index 8045a554cafb..596a0e007c62 100644 --- a/include/linux/sched/sysctl.h +++ b/include/linux/sched/sysctl.h @@ -25,6 +25,10 @@ enum { sysctl_hung_task_timeout_secs = 0 }; * Because the kernel adds some informative sections to a image of program at * generating coredump, we need some margin. The number of extra sections is * 1-3 now and depends on arch. We use "5" as safe margin, here. + * + * ELF extended numbering allows more than 65535 sections, so 16-bit bound is + * not a hard limit any more. Although some userspace tools can be surprised by + * that. */ #define MAPCOUNT_ELF_CORE_MARGIN (5) #define DEFAULT_MAX_MAP_COUNT (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN) diff --git a/include/linux/sched_clock.h b/include/linux/sched_clock.h index cddf0c2940b6..efa931c5cef1 100644 --- a/include/linux/sched_clock.h +++ b/include/linux/sched_clock.h @@ -14,7 +14,6 @@ extern void sched_clock_postinit(void); static inline void sched_clock_postinit(void) { } #endif -extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate); extern void sched_clock_register(u64 (*read)(void), int bits, unsigned long rate); diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index f729be981da0..5bbb809ee197 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -285,6 +285,28 @@ static inline int uart_poll_timeout(struct uart_port *port) /* * Console helpers. */ +struct earlycon_device { + struct console *con; + struct uart_port port; + char options[16]; /* e.g., 115200n8 */ + unsigned int baud; +}; +int setup_earlycon(char *buf, const char *match, + int (*setup)(struct earlycon_device *, const char *)); + +extern int of_setup_earlycon(unsigned long addr, + int (*setup)(struct earlycon_device *, const char *)); + +#define EARLYCON_DECLARE(name, func) \ +static int __init name ## _setup_earlycon(char *buf) \ +{ \ + return setup_earlycon(buf, __stringify(name), func); \ +} \ +early_param("earlycon", name ## _setup_earlycon); + +#define OF_EARLYCON_DECLARE(name, compat, fn) \ + _OF_DECLARE(earlycon, name, compat, fn, void *) + struct uart_port *uart_get_console(struct uart_port *ports, int nr, struct console *c); void uart_parse_options(char *options, int *baud, int *parity, int *bits, diff --git a/include/linux/serio.h b/include/linux/serio.h index 36aac733840a..9f779c7a2da4 100644 --- a/include/linux/serio.h +++ b/include/linux/serio.h @@ -23,6 +23,7 @@ struct serio { char name[32]; char phys[32]; + char firmware_id[128]; bool manual_bind; diff --git a/include/linux/sh_timer.h b/include/linux/sh_timer.h index 4d9dcd138315..8e1e036d6d45 100644 --- a/include/linux/sh_timer.h +++ b/include/linux/sh_timer.h @@ -7,6 +7,7 @@ struct sh_timer_config { int timer_bit; unsigned long clockevent_rating; unsigned long clocksource_rating; + unsigned int channels_mask; }; #endif /* __SH_TIMER_H__ */ diff --git a/include/linux/slab.h b/include/linux/slab.h index 307bfbe62387..1d9abb7d22a0 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -116,7 +116,9 @@ struct kmem_cache *kmem_cache_create(const char *, size_t, size_t, unsigned long, void (*)(void *)); #ifdef CONFIG_MEMCG_KMEM -void kmem_cache_create_memcg(struct mem_cgroup *, struct kmem_cache *); +struct kmem_cache *memcg_create_kmem_cache(struct mem_cgroup *, + struct kmem_cache *, + const char *); #endif void kmem_cache_destroy(struct kmem_cache *); int kmem_cache_shrink(struct kmem_cache *); @@ -369,16 +371,7 @@ kmem_cache_alloc_node_trace(struct kmem_cache *s, #include <linux/slub_def.h> #endif -static __always_inline void * -kmalloc_order(size_t size, gfp_t flags, unsigned int order) -{ - void *ret; - - flags |= (__GFP_COMP | __GFP_KMEMCG); - ret = (void *) __get_free_pages(flags, order); - kmemleak_alloc(ret, size, 1, flags); - return ret; -} +extern void *kmalloc_order(size_t size, gfp_t flags, unsigned int order); #ifdef CONFIG_TRACING extern void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order); @@ -533,10 +526,7 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node) * @memcg: pointer to the memcg this cache belongs to * @list: list_head for the list of all caches in this memcg * @root_cache: pointer to the global, root cache, this cache was derived from - * @dead: set to true after the memcg dies; the cache may still be around. * @nr_pages: number of pages that belongs to this cache. - * @destroy: worker to be called whenever we are ready, or believe we may be - * ready, to destroy this cache. */ struct memcg_cache_params { bool is_root_cache; @@ -549,9 +539,7 @@ struct memcg_cache_params { struct mem_cgroup *memcg; struct list_head list; struct kmem_cache *root_cache; - bool dead; atomic_t nr_pages; - struct work_struct destroy; }; }; }; diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index f2f7398848cf..d82abd40a3c0 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -101,4 +101,13 @@ struct kmem_cache { struct kmem_cache_node *node[MAX_NUMNODES]; }; +#ifdef CONFIG_SYSFS +#define SLAB_SUPPORTS_SYSFS +void sysfs_slab_remove(struct kmem_cache *); +#else +static inline void sysfs_slab_remove(struct kmem_cache *s) +{ +} +#endif + #endif /* _LINUX_SLUB_DEF_H */ diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h index 54f91d35e5fd..46cca4c06848 100644 --- a/include/linux/sock_diag.h +++ b/include/linux/sock_diag.h @@ -23,7 +23,7 @@ int sock_diag_check_cookie(void *sk, __u32 *cookie); void sock_diag_save_cookie(void *sk, __u32 *cookie); int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attr); -int sock_diag_put_filterinfo(struct user_namespace *user_ns, struct sock *sk, +int sock_diag_put_filterinfo(bool may_report_filterinfo, struct sock *sk, struct sk_buff *skb, int attrtype); #endif diff --git a/include/linux/spi/adi_spi3.h b/include/linux/spi/adi_spi3.h new file mode 100644 index 000000000000..c84123aa1d06 --- /dev/null +++ b/include/linux/spi/adi_spi3.h @@ -0,0 +1,254 @@ +/* + * Analog Devices SPI3 controller driver + * + * Copyright (c) 2014 Analog Devices Inc. + * + * 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. + */ + +#ifndef _ADI_SPI3_H_ +#define _ADI_SPI3_H_ + +#include <linux/types.h> + +/* SPI_CONTROL */ +#define SPI_CTL_EN 0x00000001 /* Enable */ +#define SPI_CTL_MSTR 0x00000002 /* Master/Slave */ +#define SPI_CTL_PSSE 0x00000004 /* controls modf error in master mode */ +#define SPI_CTL_ODM 0x00000008 /* Open Drain Mode */ +#define SPI_CTL_CPHA 0x00000010 /* Clock Phase */ +#define SPI_CTL_CPOL 0x00000020 /* Clock Polarity */ +#define SPI_CTL_ASSEL 0x00000040 /* Slave Select Pin Control */ +#define SPI_CTL_SELST 0x00000080 /* Slave Select Polarity in-between transfers */ +#define SPI_CTL_EMISO 0x00000100 /* Enable MISO */ +#define SPI_CTL_SIZE 0x00000600 /* Word Transfer Size */ +#define SPI_CTL_SIZE08 0x00000000 /* SIZE: 8 bits */ +#define SPI_CTL_SIZE16 0x00000200 /* SIZE: 16 bits */ +#define SPI_CTL_SIZE32 0x00000400 /* SIZE: 32 bits */ +#define SPI_CTL_LSBF 0x00001000 /* LSB First */ +#define SPI_CTL_FCEN 0x00002000 /* Flow-Control Enable */ +#define SPI_CTL_FCCH 0x00004000 /* Flow-Control Channel Selection */ +#define SPI_CTL_FCPL 0x00008000 /* Flow-Control Polarity */ +#define SPI_CTL_FCWM 0x00030000 /* Flow-Control Water-Mark */ +#define SPI_CTL_FIFO0 0x00000000 /* FCWM: TFIFO empty or RFIFO Full */ +#define SPI_CTL_FIFO1 0x00010000 /* FCWM: TFIFO 75% or more empty or RFIFO 75% or more full */ +#define SPI_CTL_FIFO2 0x00020000 /* FCWM: TFIFO 50% or more empty or RFIFO 50% or more full */ +#define SPI_CTL_FMODE 0x00040000 /* Fast-mode Enable */ +#define SPI_CTL_MIOM 0x00300000 /* Multiple I/O Mode */ +#define SPI_CTL_MIO_DIS 0x00000000 /* MIOM: Disable */ +#define SPI_CTL_MIO_DUAL 0x00100000 /* MIOM: Enable DIOM (Dual I/O Mode) */ +#define SPI_CTL_MIO_QUAD 0x00200000 /* MIOM: Enable QUAD (Quad SPI Mode) */ +#define SPI_CTL_SOSI 0x00400000 /* Start on MOSI */ +/* SPI_RX_CONTROL */ +#define SPI_RXCTL_REN 0x00000001 /* Receive Channel Enable */ +#define SPI_RXCTL_RTI 0x00000004 /* Receive Transfer Initiate */ +#define SPI_RXCTL_RWCEN 0x00000008 /* Receive Word Counter Enable */ +#define SPI_RXCTL_RDR 0x00000070 /* Receive Data Request */ +#define SPI_RXCTL_RDR_DIS 0x00000000 /* RDR: Disabled */ +#define SPI_RXCTL_RDR_NE 0x00000010 /* RDR: RFIFO not empty */ +#define SPI_RXCTL_RDR_25 0x00000020 /* RDR: RFIFO 25% full */ +#define SPI_RXCTL_RDR_50 0x00000030 /* RDR: RFIFO 50% full */ +#define SPI_RXCTL_RDR_75 0x00000040 /* RDR: RFIFO 75% full */ +#define SPI_RXCTL_RDR_FULL 0x00000050 /* RDR: RFIFO full */ +#define SPI_RXCTL_RDO 0x00000100 /* Receive Data Over-Run */ +#define SPI_RXCTL_RRWM 0x00003000 /* FIFO Regular Water-Mark */ +#define SPI_RXCTL_RWM_0 0x00000000 /* RRWM: RFIFO Empty */ +#define SPI_RXCTL_RWM_25 0x00001000 /* RRWM: RFIFO 25% full */ +#define SPI_RXCTL_RWM_50 0x00002000 /* RRWM: RFIFO 50% full */ +#define SPI_RXCTL_RWM_75 0x00003000 /* RRWM: RFIFO 75% full */ +#define SPI_RXCTL_RUWM 0x00070000 /* FIFO Urgent Water-Mark */ +#define SPI_RXCTL_UWM_DIS 0x00000000 /* RUWM: Disabled */ +#define SPI_RXCTL_UWM_25 0x00010000 /* RUWM: RFIFO 25% full */ +#define SPI_RXCTL_UWM_50 0x00020000 /* RUWM: RFIFO 50% full */ +#define SPI_RXCTL_UWM_75 0x00030000 /* RUWM: RFIFO 75% full */ +#define SPI_RXCTL_UWM_FULL 0x00040000 /* RUWM: RFIFO full */ +/* SPI_TX_CONTROL */ +#define SPI_TXCTL_TEN 0x00000001 /* Transmit Channel Enable */ +#define SPI_TXCTL_TTI 0x00000004 /* Transmit Transfer Initiate */ +#define SPI_TXCTL_TWCEN 0x00000008 /* Transmit Word Counter Enable */ +#define SPI_TXCTL_TDR 0x00000070 /* Transmit Data Request */ +#define SPI_TXCTL_TDR_DIS 0x00000000 /* TDR: Disabled */ +#define SPI_TXCTL_TDR_NF 0x00000010 /* TDR: TFIFO not full */ +#define SPI_TXCTL_TDR_25 0x00000020 /* TDR: TFIFO 25% empty */ +#define SPI_TXCTL_TDR_50 0x00000030 /* TDR: TFIFO 50% empty */ +#define SPI_TXCTL_TDR_75 0x00000040 /* TDR: TFIFO 75% empty */ +#define SPI_TXCTL_TDR_EMPTY 0x00000050 /* TDR: TFIFO empty */ +#define SPI_TXCTL_TDU 0x00000100 /* Transmit Data Under-Run */ +#define SPI_TXCTL_TRWM 0x00003000 /* FIFO Regular Water-Mark */ +#define SPI_TXCTL_RWM_FULL 0x00000000 /* TRWM: TFIFO full */ +#define SPI_TXCTL_RWM_25 0x00001000 /* TRWM: TFIFO 25% empty */ +#define SPI_TXCTL_RWM_50 0x00002000 /* TRWM: TFIFO 50% empty */ +#define SPI_TXCTL_RWM_75 0x00003000 /* TRWM: TFIFO 75% empty */ +#define SPI_TXCTL_TUWM 0x00070000 /* FIFO Urgent Water-Mark */ +#define SPI_TXCTL_UWM_DIS 0x00000000 /* TUWM: Disabled */ +#define SPI_TXCTL_UWM_25 0x00010000 /* TUWM: TFIFO 25% empty */ +#define SPI_TXCTL_UWM_50 0x00020000 /* TUWM: TFIFO 50% empty */ +#define SPI_TXCTL_UWM_75 0x00030000 /* TUWM: TFIFO 75% empty */ +#define SPI_TXCTL_UWM_EMPTY 0x00040000 /* TUWM: TFIFO empty */ +/* SPI_CLOCK */ +#define SPI_CLK_BAUD 0x0000FFFF /* Baud Rate */ +/* SPI_DELAY */ +#define SPI_DLY_STOP 0x000000FF /* Transfer delay time in multiples of SCK period */ +#define SPI_DLY_LEADX 0x00000100 /* Extended (1 SCK) LEAD Control */ +#define SPI_DLY_LAGX 0x00000200 /* Extended (1 SCK) LAG control */ +/* SPI_SSEL */ +#define SPI_SLVSEL_SSE1 0x00000002 /* SPISSEL1 Enable */ +#define SPI_SLVSEL_SSE2 0x00000004 /* SPISSEL2 Enable */ +#define SPI_SLVSEL_SSE3 0x00000008 /* SPISSEL3 Enable */ +#define SPI_SLVSEL_SSE4 0x00000010 /* SPISSEL4 Enable */ +#define SPI_SLVSEL_SSE5 0x00000020 /* SPISSEL5 Enable */ +#define SPI_SLVSEL_SSE6 0x00000040 /* SPISSEL6 Enable */ +#define SPI_SLVSEL_SSE7 0x00000080 /* SPISSEL7 Enable */ +#define SPI_SLVSEL_SSEL1 0x00000200 /* SPISSEL1 Value */ +#define SPI_SLVSEL_SSEL2 0x00000400 /* SPISSEL2 Value */ +#define SPI_SLVSEL_SSEL3 0x00000800 /* SPISSEL3 Value */ +#define SPI_SLVSEL_SSEL4 0x00001000 /* SPISSEL4 Value */ +#define SPI_SLVSEL_SSEL5 0x00002000 /* SPISSEL5 Value */ +#define SPI_SLVSEL_SSEL6 0x00004000 /* SPISSEL6 Value */ +#define SPI_SLVSEL_SSEL7 0x00008000 /* SPISSEL7 Value */ +/* SPI_RWC */ +#define SPI_RWC_VALUE 0x0000FFFF /* Received Word-Count */ +/* SPI_RWCR */ +#define SPI_RWCR_VALUE 0x0000FFFF /* Received Word-Count Reload */ +/* SPI_TWC */ +#define SPI_TWC_VALUE 0x0000FFFF /* Transmitted Word-Count */ +/* SPI_TWCR */ +#define SPI_TWCR_VALUE 0x0000FFFF /* Transmitted Word-Count Reload */ +/* SPI_IMASK */ +#define SPI_IMSK_RUWM 0x00000002 /* Receive Urgent Water-Mark Interrupt Mask */ +#define SPI_IMSK_TUWM 0x00000004 /* Transmit Urgent Water-Mark Interrupt Mask */ +#define SPI_IMSK_ROM 0x00000010 /* Receive Over-Run Error Interrupt Mask */ +#define SPI_IMSK_TUM 0x00000020 /* Transmit Under-Run Error Interrupt Mask */ +#define SPI_IMSK_TCM 0x00000040 /* Transmit Collision Error Interrupt Mask */ +#define SPI_IMSK_MFM 0x00000080 /* Mode Fault Error Interrupt Mask */ +#define SPI_IMSK_RSM 0x00000100 /* Receive Start Interrupt Mask */ +#define SPI_IMSK_TSM 0x00000200 /* Transmit Start Interrupt Mask */ +#define SPI_IMSK_RFM 0x00000400 /* Receive Finish Interrupt Mask */ +#define SPI_IMSK_TFM 0x00000800 /* Transmit Finish Interrupt Mask */ +/* SPI_IMASKCL */ +#define SPI_IMSK_CLR_RUW 0x00000002 /* Receive Urgent Water-Mark Interrupt Mask */ +#define SPI_IMSK_CLR_TUWM 0x00000004 /* Transmit Urgent Water-Mark Interrupt Mask */ +#define SPI_IMSK_CLR_ROM 0x00000010 /* Receive Over-Run Error Interrupt Mask */ +#define SPI_IMSK_CLR_TUM 0x00000020 /* Transmit Under-Run Error Interrupt Mask */ +#define SPI_IMSK_CLR_TCM 0x00000040 /* Transmit Collision Error Interrupt Mask */ +#define SPI_IMSK_CLR_MFM 0x00000080 /* Mode Fault Error Interrupt Mask */ +#define SPI_IMSK_CLR_RSM 0x00000100 /* Receive Start Interrupt Mask */ +#define SPI_IMSK_CLR_TSM 0x00000200 /* Transmit Start Interrupt Mask */ +#define SPI_IMSK_CLR_RFM 0x00000400 /* Receive Finish Interrupt Mask */ +#define SPI_IMSK_CLR_TFM 0x00000800 /* Transmit Finish Interrupt Mask */ +/* SPI_IMASKST */ +#define SPI_IMSK_SET_RUWM 0x00000002 /* Receive Urgent Water-Mark Interrupt Mask */ +#define SPI_IMSK_SET_TUWM 0x00000004 /* Transmit Urgent Water-Mark Interrupt Mask */ +#define SPI_IMSK_SET_ROM 0x00000010 /* Receive Over-Run Error Interrupt Mask */ +#define SPI_IMSK_SET_TUM 0x00000020 /* Transmit Under-Run Error Interrupt Mask */ +#define SPI_IMSK_SET_TCM 0x00000040 /* Transmit Collision Error Interrupt Mask */ +#define SPI_IMSK_SET_MFM 0x00000080 /* Mode Fault Error Interrupt Mask */ +#define SPI_IMSK_SET_RSM 0x00000100 /* Receive Start Interrupt Mask */ +#define SPI_IMSK_SET_TSM 0x00000200 /* Transmit Start Interrupt Mask */ +#define SPI_IMSK_SET_RFM 0x00000400 /* Receive Finish Interrupt Mask */ +#define SPI_IMSK_SET_TFM 0x00000800 /* Transmit Finish Interrupt Mask */ +/* SPI_STATUS */ +#define SPI_STAT_SPIF 0x00000001 /* SPI Finished */ +#define SPI_STAT_RUWM 0x00000002 /* Receive Urgent Water-Mark Breached */ +#define SPI_STAT_TUWM 0x00000004 /* Transmit Urgent Water-Mark Breached */ +#define SPI_STAT_ROE 0x00000010 /* Receive Over-Run Error Indication */ +#define SPI_STAT_TUE 0x00000020 /* Transmit Under-Run Error Indication */ +#define SPI_STAT_TCE 0x00000040 /* Transmit Collision Error Indication */ +#define SPI_STAT_MODF 0x00000080 /* Mode Fault Error Indication */ +#define SPI_STAT_RS 0x00000100 /* Receive Start Indication */ +#define SPI_STAT_TS 0x00000200 /* Transmit Start Indication */ +#define SPI_STAT_RF 0x00000400 /* Receive Finish Indication */ +#define SPI_STAT_TF 0x00000800 /* Transmit Finish Indication */ +#define SPI_STAT_RFS 0x00007000 /* SPI_RFIFO status */ +#define SPI_STAT_RFIFO_EMPTY 0x00000000 /* RFS: RFIFO Empty */ +#define SPI_STAT_RFIFO_25 0x00001000 /* RFS: RFIFO 25% Full */ +#define SPI_STAT_RFIFO_50 0x00002000 /* RFS: RFIFO 50% Full */ +#define SPI_STAT_RFIFO_75 0x00003000 /* RFS: RFIFO 75% Full */ +#define SPI_STAT_RFIFO_FULL 0x00004000 /* RFS: RFIFO Full */ +#define SPI_STAT_TFS 0x00070000 /* SPI_TFIFO status */ +#define SPI_STAT_TFIFO_FULL 0x00000000 /* TFS: TFIFO full */ +#define SPI_STAT_TFIFO_25 0x00010000 /* TFS: TFIFO 25% empty */ +#define SPI_STAT_TFIFO_50 0x00020000 /* TFS: TFIFO 50% empty */ +#define SPI_STAT_TFIFO_75 0x00030000 /* TFS: TFIFO 75% empty */ +#define SPI_STAT_TFIFO_EMPTY 0x00040000 /* TFS: TFIFO empty */ +#define SPI_STAT_FCS 0x00100000 /* Flow-Control Stall Indication */ +#define SPI_STAT_RFE 0x00400000 /* SPI_RFIFO Empty */ +#define SPI_STAT_TFF 0x00800000 /* SPI_TFIFO Full */ +/* SPI_ILAT */ +#define SPI_ILAT_RUWMI 0x00000002 /* Receive Urgent Water Mark Interrupt */ +#define SPI_ILAT_TUWMI 0x00000004 /* Transmit Urgent Water Mark Interrupt */ +#define SPI_ILAT_ROI 0x00000010 /* Receive Over-Run Error Indication */ +#define SPI_ILAT_TUI 0x00000020 /* Transmit Under-Run Error Indication */ +#define SPI_ILAT_TCI 0x00000040 /* Transmit Collision Error Indication */ +#define SPI_ILAT_MFI 0x00000080 /* Mode Fault Error Indication */ +#define SPI_ILAT_RSI 0x00000100 /* Receive Start Indication */ +#define SPI_ILAT_TSI 0x00000200 /* Transmit Start Indication */ +#define SPI_ILAT_RFI 0x00000400 /* Receive Finish Indication */ +#define SPI_ILAT_TFI 0x00000800 /* Transmit Finish Indication */ +/* SPI_ILATCL */ +#define SPI_ILAT_CLR_RUWMI 0x00000002 /* Receive Urgent Water Mark Interrupt */ +#define SPI_ILAT_CLR_TUWMI 0x00000004 /* Transmit Urgent Water Mark Interrupt */ +#define SPI_ILAT_CLR_ROI 0x00000010 /* Receive Over-Run Error Indication */ +#define SPI_ILAT_CLR_TUI 0x00000020 /* Transmit Under-Run Error Indication */ +#define SPI_ILAT_CLR_TCI 0x00000040 /* Transmit Collision Error Indication */ +#define SPI_ILAT_CLR_MFI 0x00000080 /* Mode Fault Error Indication */ +#define SPI_ILAT_CLR_RSI 0x00000100 /* Receive Start Indication */ +#define SPI_ILAT_CLR_TSI 0x00000200 /* Transmit Start Indication */ +#define SPI_ILAT_CLR_RFI 0x00000400 /* Receive Finish Indication */ +#define SPI_ILAT_CLR_TFI 0x00000800 /* Transmit Finish Indication */ + +/* + * adi spi3 registers layout + */ +struct adi_spi_regs { + u32 revid; + u32 control; + u32 rx_control; + u32 tx_control; + u32 clock; + u32 delay; + u32 ssel; + u32 rwc; + u32 rwcr; + u32 twc; + u32 twcr; + u32 reserved0; + u32 emask; + u32 emaskcl; + u32 emaskst; + u32 reserved1; + u32 status; + u32 elat; + u32 elatcl; + u32 reserved2; + u32 rfifo; + u32 reserved3; + u32 tfifo; +}; + +#define MAX_CTRL_CS 8 /* cs in spi controller */ + +/* device.platform_data for SSP controller devices */ +struct adi_spi3_master { + u16 num_chipselect; + u16 pin_req[7]; +}; + +/* spi_board_info.controller_data for SPI slave devices, + * copied to spi_device.platform_data ... mostly for dma tuning + */ +struct adi_spi3_chip { + u32 control; + u16 cs_chg_udelay; /* Some devices require 16-bit delays */ + u32 tx_dummy_val; /* tx value for rx only transfer */ + bool enable_dma; +}; + +#endif /* _ADI_SPI3_H_ */ diff --git a/include/linux/spi/rspi.h b/include/linux/spi/rspi.h index a25bd6f65e7f..e546b2ceb623 100644 --- a/include/linux/spi/rspi.h +++ b/include/linux/spi/rspi.h @@ -25,8 +25,6 @@ struct rspi_plat_data { unsigned int dma_tx_id; unsigned int dma_rx_id; - unsigned dma_width_16bit:1; /* DMAC read/write width = 16-bit */ - u16 num_chipselect; }; diff --git a/include/linux/string.h b/include/linux/string.h index ac889c5ea11b..d36977e029af 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -52,6 +52,9 @@ extern int strncasecmp(const char *s1, const char *s2, size_t n); #ifndef __HAVE_ARCH_STRCHR extern char * strchr(const char *,int); #endif +#ifndef __HAVE_ARCH_STRCHRNUL +extern char * strchrnul(const char *,int); +#endif #ifndef __HAVE_ARCH_STRNCHR extern char * strnchr(const char *, size_t, int); #endif diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index 3a847de83fab..ad7dbe2cfecd 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -142,18 +142,18 @@ struct rpc_task_setup { test_and_set_bit(RPC_TASK_RUNNING, &(t)->tk_runstate) #define rpc_clear_running(t) \ do { \ - smp_mb__before_clear_bit(); \ + smp_mb__before_atomic(); \ clear_bit(RPC_TASK_RUNNING, &(t)->tk_runstate); \ - smp_mb__after_clear_bit(); \ + smp_mb__after_atomic(); \ } while (0) #define RPC_IS_QUEUED(t) test_bit(RPC_TASK_QUEUED, &(t)->tk_runstate) #define rpc_set_queued(t) set_bit(RPC_TASK_QUEUED, &(t)->tk_runstate) #define rpc_clear_queued(t) \ do { \ - smp_mb__before_clear_bit(); \ + smp_mb__before_atomic(); \ clear_bit(RPC_TASK_QUEUED, &(t)->tk_runstate); \ - smp_mb__after_clear_bit(); \ + smp_mb__after_atomic(); \ } while (0) #define RPC_IS_ACTIVATED(t) test_bit(RPC_TASK_ACTIVE, &(t)->tk_runstate) diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 3e5efb2b236e..3876f0f1dfd3 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -379,9 +379,9 @@ static inline int xprt_test_and_clear_connected(struct rpc_xprt *xprt) static inline void xprt_clear_connecting(struct rpc_xprt *xprt) { - smp_mb__before_clear_bit(); + smp_mb__before_atomic(); clear_bit(XPRT_CONNECTING, &xprt->state); - smp_mb__after_clear_bit(); + smp_mb__after_atomic(); } static inline int xprt_connecting(struct rpc_xprt *xprt) @@ -411,9 +411,9 @@ static inline void xprt_clear_bound(struct rpc_xprt *xprt) static inline void xprt_clear_binding(struct rpc_xprt *xprt) { - smp_mb__before_clear_bit(); + smp_mb__before_atomic(); clear_bit(XPRT_BINDING, &xprt->state); - smp_mb__after_clear_bit(); + smp_mb__after_atomic(); } static inline int xprt_test_and_set_binding(struct rpc_xprt *xprt) diff --git a/include/linux/suspend.h b/include/linux/suspend.h index f73cabf59012..91d66fd8dce1 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -187,6 +187,11 @@ struct platform_suspend_ops { void (*recover)(void); }; +struct platform_freeze_ops { + int (*begin)(void); + void (*end)(void); +}; + #ifdef CONFIG_SUSPEND /** * suspend_set_ops - set platform dependent suspend operations @@ -194,6 +199,7 @@ struct platform_suspend_ops { */ extern void suspend_set_ops(const struct platform_suspend_ops *ops); extern int suspend_valid_only_mem(suspend_state_t state); +extern void freeze_set_ops(const struct platform_freeze_ops *ops); extern void freeze_wake(void); /** @@ -220,6 +226,7 @@ extern int pm_suspend(suspend_state_t state); static inline void suspend_set_ops(const struct platform_suspend_ops *ops) {} static inline int pm_suspend(suspend_state_t state) { return -ENOSYS; } +static inline void freeze_set_ops(const struct platform_freeze_ops *ops) {} static inline void freeze_wake(void) {} #endif /* !CONFIG_SUSPEND */ diff --git a/include/linux/swap.h b/include/linux/swap.h index 350711560753..4bdbee80eede 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -166,10 +166,10 @@ enum { #define COMPACT_CLUSTER_MAX SWAP_CLUSTER_MAX /* - * Ratio between the present memory in the zone and the "gap" that - * we're allowing kswapd to shrink in addition to the per-zone high - * wmark, even for zones that already have the high wmark satisfied, - * in order to provide better per-zone lru behavior. We are ok to + * Ratio between zone->managed_pages and the "gap" that above the per-zone + * "high_wmark". While balancing nodes, We allow kswapd to shrink zones that + * do not meet the (high_wmark + gap) watermark, even which already met the + * high_wmark, in order to provide better per-zone lru behavior. We are ok to * spend not more than 1% of the memory for this zone balancing "gap". */ #define KSWAPD_ZONE_BALANCE_GAP_RATIO 100 @@ -214,8 +214,9 @@ struct percpu_cluster { struct swap_info_struct { unsigned long flags; /* SWP_USED etc: see above */ signed short prio; /* swap priority of this type */ + struct plist_node list; /* entry in swap_active_head */ + struct plist_node avail_list; /* entry in swap_avail_head */ signed char type; /* strange name for an index */ - signed char next; /* next type on the swap list */ unsigned int max; /* extent of the swap_map */ unsigned char *swap_map; /* vmalloc'ed array of usage counts */ struct swap_cluster_info *cluster_info; /* cluster info. Only for SSD */ @@ -255,11 +256,6 @@ struct swap_info_struct { struct swap_cluster_info discard_cluster_tail; /* list tail of discard clusters */ }; -struct swap_list_t { - int head; /* head of priority-ordered swapfile list */ - int next; /* swapfile to be used next */ -}; - /* linux/mm/workingset.c */ void *workingset_eviction(struct address_space *mapping, struct page *page); bool workingset_refault(void *shadow); @@ -308,12 +304,14 @@ extern unsigned long nr_free_pagecache_pages(void); /* linux/mm/swap.c */ -extern void __lru_cache_add(struct page *); extern void lru_cache_add(struct page *); +extern void lru_cache_add_anon(struct page *page); +extern void lru_cache_add_file(struct page *page); extern void lru_add_page_tail(struct page *page, struct page *page_tail, struct lruvec *lruvec, struct list_head *head); extern void activate_page(struct page *); extern void mark_page_accessed(struct page *); +extern void init_page_accessed(struct page *page); extern void lru_add_drain(void); extern void lru_add_drain_cpu(int cpu); extern void lru_add_drain_all(void); @@ -323,22 +321,6 @@ extern void swap_setup(void); extern void add_page_to_unevictable_list(struct page *page); -/** - * lru_cache_add: add a page to the page lists - * @page: the page to add - */ -static inline void lru_cache_add_anon(struct page *page) -{ - ClearPageActive(page); - __lru_cache_add(page); -} - -static inline void lru_cache_add_file(struct page *page) -{ - ClearPageActive(page); - __lru_cache_add(page); -} - /* linux/mm/vmscan.c */ extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order, gfp_t gfp_mask, nodemask_t *mask); @@ -496,7 +478,7 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout) #define free_page_and_swap_cache(page) \ page_cache_release(page) #define free_pages_and_swap_cache(pages, nr) \ - release_pages((pages), (nr), 0); + release_pages((pages), (nr), false); static inline void show_swap_cache_info(void) { diff --git a/include/linux/swapfile.h b/include/linux/swapfile.h index e282624e8c10..388293a91e8c 100644 --- a/include/linux/swapfile.h +++ b/include/linux/swapfile.h @@ -6,7 +6,7 @@ * want to expose them to the dozens of source files that include swap.h */ extern spinlock_t swap_lock; -extern struct swap_list_t swap_list; +extern struct plist_head swap_active_head; extern struct swap_info_struct *swap_info[]; extern int try_to_unuse(unsigned int, bool, unsigned long); diff --git a/include/linux/swapops.h b/include/linux/swapops.h index c0f75261a728..6adfb7bfbf44 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -54,7 +54,7 @@ static inline pgoff_t swp_offset(swp_entry_t entry) /* check whether a pte points to a swap entry */ static inline int is_swap_pte(pte_t pte) { - return !pte_none(pte) && !pte_present(pte) && !pte_file(pte); + return !pte_none(pte) && !pte_present_nonuma(pte) && !pte_file(pte); } #endif diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index a5ffd32642fd..e7a018eaf3a2 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -116,4 +116,6 @@ static inline void swiotlb_free(void) { } #endif extern void swiotlb_print_info(void); +extern int is_swiotlb_buffer(phys_addr_t paddr); + #endif /* __LINUX_SWIOTLB_H */ diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index a4a0588c5397..b0881a0ed322 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -711,7 +711,7 @@ asmlinkage long sys_keyctl(int cmd, unsigned long arg2, unsigned long arg3, asmlinkage long sys_ioprio_set(int which, int who, int ioprio); asmlinkage long sys_ioprio_get(int which, int who); -asmlinkage long sys_set_mempolicy(int mode, unsigned long __user *nmask, +asmlinkage long sys_set_mempolicy(int mode, const unsigned long __user *nmask, unsigned long maxnode); asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode, const unsigned long __user *from, @@ -723,7 +723,7 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages, int flags); asmlinkage long sys_mbind(unsigned long start, unsigned long len, unsigned long mode, - unsigned long __user *nmask, + const unsigned long __user *nmask, unsigned long maxnode, unsigned flags); asmlinkage long sys_get_mempolicy(int __user *policy, diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 084354b0e814..f97d0dbb59fa 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -179,9 +179,6 @@ struct sysfs_ops { #ifdef CONFIG_SYSFS -int sysfs_schedule_callback(struct kobject *kobj, void (*func)(void *), - void *data, struct module *owner); - int __must_check sysfs_create_dir_ns(struct kobject *kobj, const void *ns); void sysfs_remove_dir(struct kobject *kobj); int __must_check sysfs_rename_dir_ns(struct kobject *kobj, const char *new_name, @@ -255,12 +252,6 @@ static inline void sysfs_enable_ns(struct kernfs_node *kn) #else /* CONFIG_SYSFS */ -static inline int sysfs_schedule_callback(struct kobject *kobj, - void (*func)(void *), void *data, struct module *owner) -{ - return -ENOSYS; -} - static inline int sysfs_create_dir_ns(struct kobject *kobj, const void *ns) { return 0; @@ -446,7 +437,7 @@ static inline int __must_check sysfs_create_file(struct kobject *kobj, static inline void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr) { - return sysfs_remove_file_ns(kobj, attr, NULL); + sysfs_remove_file_ns(kobj, attr, NULL); } static inline int sysfs_rename_link(struct kobject *kobj, struct kobject *target, diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index fddbe2023a5d..ff307b548ed3 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -61,8 +61,6 @@ extern long do_no_restart_syscall(struct restart_block *parm); # define THREADINFO_GFP (GFP_KERNEL | __GFP_NOTRACK) #endif -#define THREADINFO_GFP_ACCOUNTED (THREADINFO_GFP | __GFP_KMEMCG) - /* * flag set/clear/test wrappers * - pass TIF_xxxx constants to these functions @@ -104,20 +102,6 @@ static inline int test_ti_thread_flag(struct thread_info *ti, int flag) #define test_thread_flag(flag) \ test_ti_thread_flag(current_thread_info(), flag) -static inline __deprecated void set_need_resched(void) -{ - /* - * Use of this function in deprecated. - * - * As of this writing there are only a few users in the DRM tree left - * all of which are wrong and can be removed without causing too much - * grief. - * - * The DRM people are aware and are working on removing the last few - * instances. - */ -} - #define tif_need_resched() test_thread_flag(TIF_NEED_RESCHED) #if defined TIF_RESTORE_SIGMASK && !defined HAVE_SET_RESTORE_SIGMASK diff --git a/include/linux/topology.h b/include/linux/topology.h index 7062330a1329..dda6ee521e74 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -58,7 +58,8 @@ int arch_update_cpu_topology(void); /* * If the distance between nodes in a system is larger than RECLAIM_DISTANCE * (in whatever arch specific measurement units returned by node_distance()) - * then switch on zone reclaim on boot. + * and zone_reclaim_mode is enabled then the VM will only call zone_reclaim() + * on nodes within this distance. */ #define RECLAIM_DISTANCE 30 #endif @@ -66,121 +67,6 @@ int arch_update_cpu_topology(void); #define PENALTY_FOR_NODE_WITH_CPUS (1) #endif -/* - * Below are the 3 major initializers used in building sched_domains: - * SD_SIBLING_INIT, for SMT domains - * SD_CPU_INIT, for SMP domains - * - * Any architecture that cares to do any tuning to these values should do so - * by defining their own arch-specific initializer in include/asm/topology.h. - * A definition there will automagically override these default initializers - * and allow arch-specific performance tuning of sched_domains. - * (Only non-zero and non-null fields need be specified.) - */ - -#ifdef CONFIG_SCHED_SMT -/* MCD - Do we really need this? It is always on if CONFIG_SCHED_SMT is, - * so can't we drop this in favor of CONFIG_SCHED_SMT? - */ -#define ARCH_HAS_SCHED_WAKE_IDLE -/* Common values for SMT siblings */ -#ifndef SD_SIBLING_INIT -#define SD_SIBLING_INIT (struct sched_domain) { \ - .min_interval = 1, \ - .max_interval = 2, \ - .busy_factor = 64, \ - .imbalance_pct = 110, \ - \ - .flags = 1*SD_LOAD_BALANCE \ - | 1*SD_BALANCE_NEWIDLE \ - | 1*SD_BALANCE_EXEC \ - | 1*SD_BALANCE_FORK \ - | 0*SD_BALANCE_WAKE \ - | 1*SD_WAKE_AFFINE \ - | 1*SD_SHARE_CPUPOWER \ - | 1*SD_SHARE_PKG_RESOURCES \ - | 0*SD_SERIALIZE \ - | 0*SD_PREFER_SIBLING \ - | arch_sd_sibling_asym_packing() \ - , \ - .last_balance = jiffies, \ - .balance_interval = 1, \ - .smt_gain = 1178, /* 15% */ \ - .max_newidle_lb_cost = 0, \ - .next_decay_max_lb_cost = jiffies, \ -} -#endif -#endif /* CONFIG_SCHED_SMT */ - -#ifdef CONFIG_SCHED_MC -/* Common values for MC siblings. for now mostly derived from SD_CPU_INIT */ -#ifndef SD_MC_INIT -#define SD_MC_INIT (struct sched_domain) { \ - .min_interval = 1, \ - .max_interval = 4, \ - .busy_factor = 64, \ - .imbalance_pct = 125, \ - .cache_nice_tries = 1, \ - .busy_idx = 2, \ - .wake_idx = 0, \ - .forkexec_idx = 0, \ - \ - .flags = 1*SD_LOAD_BALANCE \ - | 1*SD_BALANCE_NEWIDLE \ - | 1*SD_BALANCE_EXEC \ - | 1*SD_BALANCE_FORK \ - | 0*SD_BALANCE_WAKE \ - | 1*SD_WAKE_AFFINE \ - | 0*SD_SHARE_CPUPOWER \ - | 1*SD_SHARE_PKG_RESOURCES \ - | 0*SD_SERIALIZE \ - , \ - .last_balance = jiffies, \ - .balance_interval = 1, \ - .max_newidle_lb_cost = 0, \ - .next_decay_max_lb_cost = jiffies, \ -} -#endif -#endif /* CONFIG_SCHED_MC */ - -/* Common values for CPUs */ -#ifndef SD_CPU_INIT -#define SD_CPU_INIT (struct sched_domain) { \ - .min_interval = 1, \ - .max_interval = 4, \ - .busy_factor = 64, \ - .imbalance_pct = 125, \ - .cache_nice_tries = 1, \ - .busy_idx = 2, \ - .idle_idx = 1, \ - .newidle_idx = 0, \ - .wake_idx = 0, \ - .forkexec_idx = 0, \ - \ - .flags = 1*SD_LOAD_BALANCE \ - | 1*SD_BALANCE_NEWIDLE \ - | 1*SD_BALANCE_EXEC \ - | 1*SD_BALANCE_FORK \ - | 0*SD_BALANCE_WAKE \ - | 1*SD_WAKE_AFFINE \ - | 0*SD_SHARE_CPUPOWER \ - | 0*SD_SHARE_PKG_RESOURCES \ - | 0*SD_SERIALIZE \ - | 1*SD_PREFER_SIBLING \ - , \ - .last_balance = jiffies, \ - .balance_interval = 1, \ - .max_newidle_lb_cost = 0, \ - .next_decay_max_lb_cost = jiffies, \ -} -#endif - -#ifdef CONFIG_SCHED_BOOK -#ifndef SD_BOOK_INIT -#error Please define an appropriate SD_BOOK_INIT in include/asm/topology.h!!! -#endif -#endif /* CONFIG_SCHED_BOOK */ - #ifdef CONFIG_USE_PERCPU_NUMA_NODE_ID DECLARE_PER_CPU(int, numa_node); @@ -295,4 +181,17 @@ static inline int cpu_to_mem(int cpu) #define topology_core_cpumask(cpu) cpumask_of(cpu) #endif +#ifdef CONFIG_SCHED_SMT +static inline const struct cpumask *cpu_smt_mask(int cpu) +{ + return topology_thread_cpumask(cpu); +} +#endif + +static inline const struct cpumask *cpu_cpu_mask(int cpu) +{ + return cpumask_of_node(cpu_to_node(cpu)); +} + + #endif /* _LINUX_TOPOLOGY_H */ diff --git a/include/linux/torture.h b/include/linux/torture.h index b2e2b468e511..5ca58fcbaf1b 100644 --- a/include/linux/torture.h +++ b/include/linux/torture.h @@ -49,12 +49,6 @@ #define VERBOSE_TOROUT_ERRSTRING(s) \ do { if (verbose) pr_alert("%s" TORTURE_FLAG "!!! %s\n", torture_type, s); } while (0) -/* Definitions for a non-string torture-test module parameter. */ -#define torture_parm(type, name, init, msg) \ - static type name = init; \ - module_param(name, type, 0444); \ - MODULE_PARM_DESC(name, msg); - /* Definitions for online/offline exerciser. */ int torture_onoff_init(long ooholdoff, long oointerval); char *torture_onoff_stats(char *page); @@ -81,7 +75,7 @@ void stutter_wait(const char *title); int torture_stutter_init(int s); /* Initialization and cleanup. */ -void torture_init_begin(char *ttype, bool v, int *runnable); +bool torture_init_begin(char *ttype, bool v, int *runnable); void torture_init_end(void); bool torture_cleanup(void); bool torture_must_stop(void); diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h index 1e98b5530425..6f8ab7da27c4 100644 --- a/include/linux/tracehook.h +++ b/include/linux/tracehook.h @@ -191,7 +191,7 @@ static inline void tracehook_notify_resume(struct pt_regs *regs) * pairs with task_work_add()->set_notify_resume() after * hlist_add_head(task->task_works); */ - smp_mb__after_clear_bit(); + smp_mb__after_atomic(); if (unlikely(current->task_works)) task_work_run(); } diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index add26da2faeb..00c9d688d7b7 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -92,7 +92,10 @@ * This function is called by the low-level tty driver to signal * that line discpline should try to send more characters to the * low-level driver for transmission. If the line discpline does - * not have any more data to send, it can just return. + * not have any more data to send, it can just return. If the line + * discipline does have some data to send, please arise a tasklet + * or workqueue to do the real data transfer. Do not send data in + * this hook, it may leads to a deadlock. * * int (*hangup)(struct tty_struct *) * diff --git a/include/linux/types.h b/include/linux/types.h index 4d118ba11349..a0bb7048687f 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -142,6 +142,7 @@ typedef unsigned long blkcnt_t; #define pgoff_t unsigned long #endif +/* A dma_addr_t can hold any valid DMA or bus address for the platform */ #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT typedef u64 dma_addr_t; #else diff --git a/include/linux/usb.h b/include/linux/usb.h index 6b7ec376fb4d..d2465bc0e73c 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -352,6 +352,8 @@ struct usb_bus { struct usb_bus *hs_companion; /* Companion EHCI bus, if any */ struct list_head bus_list; /* list of busses */ + struct mutex usb_address0_mutex; /* unaddressed device mutex */ + int bandwidth_allocated; /* on this bus: how much of the time * reserved for periodic (intr/iso) * requests is used, on average? diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index d3ca3b53837c..7373203140e7 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -57,6 +57,61 @@ struct usb_configuration; /** + * struct usb_os_desc_ext_prop - describes one "Extended Property" + * @entry: used to keep a list of extended properties + * @type: Extended Property type + * @name_len: Extended Property unicode name length, including terminating '\0' + * @name: Extended Property name + * @data_len: Length of Extended Property blob (for unicode store double len) + * @data: Extended Property blob + * @item: Represents this Extended Property in configfs + */ +struct usb_os_desc_ext_prop { + struct list_head entry; + u8 type; + int name_len; + char *name; + int data_len; + char *data; + struct config_item item; +}; + +/** + * struct usb_os_desc - describes OS descriptors associated with one interface + * @ext_compat_id: 16 bytes of "Compatible ID" and "Subcompatible ID" + * @ext_prop: Extended Properties list + * @ext_prop_len: Total length of Extended Properties blobs + * @ext_prop_count: Number of Extended Properties + * @opts_mutex: Optional mutex protecting config data of a usb_function_instance + * @group: Represents OS descriptors associated with an interface in configfs + * @owner: Module associated with this OS descriptor + */ +struct usb_os_desc { + char *ext_compat_id; + struct list_head ext_prop; + int ext_prop_len; + int ext_prop_count; + struct mutex *opts_mutex; + struct config_group group; + struct module *owner; +}; + +/** + * struct usb_os_desc_table - describes OS descriptors associated with one + * interface of a usb_function + * @if_id: Interface id + * @os_desc: "Extended Compatibility ID" and "Extended Properties" of the + * interface + * + * Each interface can have at most one "Extended Compatibility ID" and a + * number of "Extended Properties". + */ +struct usb_os_desc_table { + int if_id; + struct usb_os_desc *os_desc; +}; + +/** * struct usb_function - describes one function of a configuration * @name: For diagnostics, identifies the function. * @strings: tables of strings, keyed by identifiers assigned during bind() @@ -73,6 +128,10 @@ struct usb_configuration; * be available at super speed. * @config: assigned when @usb_add_function() is called; this is the * configuration with which this function is associated. + * @os_desc_table: Table of (interface id, os descriptors) pairs. The function + * can expose more than one interface. If an interface is a member of + * an IAD, only the first interface of IAD has its entry in the table. + * @os_desc_n: Number of entries in os_desc_table * @bind: Before the gadget can register, all of its functions bind() to the * available resources including string and interface identifiers used * in interface or class descriptors; endpoints; I/O buffers; and so on. @@ -129,6 +188,9 @@ struct usb_function { struct usb_configuration *config; + struct usb_os_desc_table *os_desc_table; + unsigned os_desc_n; + /* REVISIT: bind() functions can be marked __init, which * makes trouble for section mismatch analysis. See if * we can't restructure things to avoid mismatching. @@ -327,6 +389,8 @@ extern void usb_composite_unregister(struct usb_composite_driver *driver); extern void usb_composite_setup_continue(struct usb_composite_dev *cdev); extern int composite_dev_prepare(struct usb_composite_driver *composite, struct usb_composite_dev *cdev); +extern int composite_os_desc_req_prepare(struct usb_composite_dev *cdev, + struct usb_ep *ep0); void composite_dev_cleanup(struct usb_composite_dev *cdev); static inline struct usb_composite_driver *to_cdriver( @@ -335,11 +399,19 @@ static inline struct usb_composite_driver *to_cdriver( return container_of(gdrv, struct usb_composite_driver, gadget_driver); } +#define OS_STRING_QW_SIGN_LEN 14 +#define OS_STRING_IDX 0xEE + /** * struct usb_composite_device - represents one composite usb gadget * @gadget: read-only, abstracts the gadget's usb peripheral controller * @req: used for control responses; buffer is pre-allocated + * @os_desc_req: used for OS descriptors responses; buffer is pre-allocated * @config: the currently active configuration + * @qw_sign: qwSignature part of the OS string + * @b_vendor_code: bMS_VendorCode part of the OS string + * @use_os_string: false by default, interested gadgets set it + * @os_desc_config: the configuration to be used with OS descriptors * * One of these devices is allocated and initialized before the * associated device driver's bind() is called. @@ -369,9 +441,16 @@ static inline struct usb_composite_driver *to_cdriver( struct usb_composite_dev { struct usb_gadget *gadget; struct usb_request *req; + struct usb_request *os_desc_req; struct usb_configuration *config; + /* OS String is a custom (yet popular) extension to the USB standard. */ + u8 qw_sign[OS_STRING_QW_SIGN_LEN]; + u8 b_vendor_code; + struct usb_configuration *os_desc_config; + unsigned int use_os_string:1; + /* private: */ /* internals */ unsigned int suspended:1; diff --git a/include/linux/usb/msm_hsusb.h b/include/linux/usb/msm_hsusb.h index 32754835a39b..b0a39243295a 100644 --- a/include/linux/usb/msm_hsusb.h +++ b/include/linux/usb/msm_hsusb.h @@ -23,21 +23,6 @@ #include <linux/clk.h> /** - * Supported USB modes - * - * USB_PERIPHERAL Only peripheral mode is supported. - * USB_HOST Only host mode is supported. - * USB_OTG OTG mode is supported. - * - */ -enum usb_mode_type { - USB_NONE = 0, - USB_PERIPHERAL, - USB_HOST, - USB_OTG, -}; - -/** * OTG control * * OTG_NO_CONTROL Id/VBUS notifications not required. Useful in host @@ -115,27 +100,23 @@ enum usb_chg_type { /** * struct msm_otg_platform_data - platform device data * for msm_otg driver. - * @phy_init_seq: PHY configuration sequence. val, reg pairs - * terminated by -1. + * @phy_init_seq: PHY configuration sequence values. Value of -1 is reserved as + * "do not overwrite default vaule at this address". + * @phy_init_sz: PHY configuration sequence size. * @vbus_power: VBUS power on/off routine. * @power_budget: VBUS power budget in mA (0 will be treated as 500mA). * @mode: Supported mode (OTG/peripheral/host). * @otg_control: OTG switch controlled by user/Id pin - * @default_mode: Default operational mode. Applicable only if - * OTG switch is controller by user. - * @pclk_src_name: pclk is derived from ebi1_usb_clk in case of 7x27 and 8k - * dfab_usb_hs_clk in case of 8660 and 8960. */ struct msm_otg_platform_data { int *phy_init_seq; + int phy_init_sz; void (*vbus_power)(bool on); unsigned power_budget; - enum usb_mode_type mode; + enum usb_dr_mode mode; enum otg_control_type otg_control; - enum usb_mode_type default_mode; enum msm_usb_phy_type phy_type; void (*setup_gpio)(enum usb_otg_state state); - char *pclk_src_name; int (*link_clk_reset)(struct clk *link_clk, bool assert); int (*phy_clk_reset)(struct clk *phy_clk); }; @@ -147,7 +128,6 @@ struct msm_otg_platform_data { * @irq: IRQ number assigned for HSUSB controller. * @clk: clock struct of usb_hs_clk. * @pclk: clock struct of usb_hs_pclk. - * @pclk_src: pclk source for voting. * @phy_reset_clk: clock struct of usb_phy_clk. * @core_clk: clock struct of usb_hs_core_clk. * @regs: ioremapped register base address. @@ -168,7 +148,6 @@ struct msm_otg { int irq; struct clk *clk; struct clk *pclk; - struct clk *pclk_src; struct clk *phy_reset_clk; struct clk *core_clk; void __iomem *regs; @@ -179,10 +158,18 @@ struct msm_otg { atomic_t in_lpm; int async_int; unsigned cur_power; + int phy_number; struct delayed_work chg_work; enum usb_chg_state chg_state; enum usb_chg_type chg_type; u8 dcd_retries; + struct regulator *v3p3; + struct regulator *v1p8; + struct regulator *vddcx; + + struct reset_control *phy_rst; + struct reset_control *link_rst; + int vdd_levels[3]; }; #endif diff --git a/include/linux/usb/msm_hsusb_hw.h b/include/linux/usb/msm_hsusb_hw.h index 6e97a2d3d39f..a29f6030afb1 100644 --- a/include/linux/usb/msm_hsusb_hw.h +++ b/include/linux/usb/msm_hsusb_hw.h @@ -16,6 +16,9 @@ #ifndef __LINUX_USB_GADGET_MSM72K_UDC_H__ #define __LINUX_USB_GADGET_MSM72K_UDC_H__ +/* USB phy selector - in TCSR address range */ +#define USB2_PHY_SEL 0xfd4ab000 + #define USB_AHBBURST (MSM_USB_BASE + 0x0090) #define USB_AHBMODE (MSM_USB_BASE + 0x0098) #define USB_CAPLENGTH (MSM_USB_BASE + 0x0100) /* 8 bit */ @@ -25,13 +28,15 @@ #define USB_OTGSC (MSM_USB_BASE + 0x01A4) #define USB_USBMODE (MSM_USB_BASE + 0x01A8) #define USB_PHY_CTRL (MSM_USB_BASE + 0x0240) +#define USB_PHY_CTRL2 (MSM_USB_BASE + 0x0278) #define USBCMD_RESET 2 #define USB_USBINTR (MSM_USB_BASE + 0x0148) #define PORTSC_PHCD (1 << 23) /* phy suspend mode */ -#define PORTSC_PTS_MASK (3 << 30) -#define PORTSC_PTS_ULPI (3 << 30) +#define PORTSC_PTS_MASK (3 << 30) +#define PORTSC_PTS_ULPI (2 << 30) +#define PORTSC_PTS_SERIAL (3 << 30) #define USB_ULPI_VIEWPORT (MSM_USB_BASE + 0x0170) #define ULPI_RUN (1 << 30) @@ -41,9 +46,14 @@ #define ULPI_DATA(n) ((n) & 255) #define ULPI_DATA_READ(n) (((n) >> 8) & 255) +/* synopsys 28nm phy registers */ +#define ULPI_PWR_CLK_MNG_REG 0x88 +#define OTG_COMP_DISABLE BIT(0) + #define ASYNC_INTR_CTRL (1 << 29) /* Enable async interrupt */ #define ULPI_STP_CTRL (1 << 30) /* Block communication with PHY */ #define PHY_RETEN (1 << 1) /* PHY retention enable/disable */ +#define PHY_POR_ASSERT (1 << 0) /* USB2 28nm PHY POR ASSERT */ /* OTG definitions */ #define OTGSC_INTSTS_MASK (0x7f << 16) diff --git a/include/linux/usb/usb_phy_gen_xceiv.h b/include/linux/usb/usb_phy_generic.h index cc8d818a83be..68adae83affc 100644 --- a/include/linux/usb/usb_phy_gen_xceiv.h +++ b/include/linux/usb/usb_phy_generic.h @@ -3,7 +3,7 @@ #include <linux/usb/otg.h> -struct usb_phy_gen_xceiv_platform_data { +struct usb_phy_generic_platform_data { enum usb_phy_type type; unsigned long clk_rate; @@ -13,16 +13,17 @@ struct usb_phy_gen_xceiv_platform_data { int gpio_reset; }; -#if defined(CONFIG_NOP_USB_XCEIV) || (defined(CONFIG_NOP_USB_XCEIV_MODULE) && defined(MODULE)) +#if IS_ENABLED(CONFIG_NOP_USB_XCEIV) /* sometimes transceivers are accessed only through e.g. ULPI */ -extern void usb_nop_xceiv_register(void); -extern void usb_nop_xceiv_unregister(void); +extern struct platform_device *usb_phy_generic_register(void); +extern void usb_phy_generic_unregister(struct platform_device *); #else -static inline void usb_nop_xceiv_register(void) +static inline struct platform_device *usb_phy_generic_register(void) { + return NULL; } -static inline void usb_nop_xceiv_unregister(void) +static inline void usb_phy_generic_unregister(struct platform_device *pdev) { } #endif diff --git a/include/linux/vexpress.h b/include/linux/vexpress.h index 617c01b8f74a..a4c9547aae64 100644 --- a/include/linux/vexpress.h +++ b/include/linux/vexpress.h @@ -15,28 +15,15 @@ #define _LINUX_VEXPRESS_H #include <linux/device.h> +#include <linux/platform_device.h> #include <linux/reboot.h> +#include <linux/regmap.h> #define VEXPRESS_SITE_MB 0 #define VEXPRESS_SITE_DB1 1 #define VEXPRESS_SITE_DB2 2 #define VEXPRESS_SITE_MASTER 0xf -#define VEXPRESS_CONFIG_STATUS_DONE 0 -#define VEXPRESS_CONFIG_STATUS_WAIT 1 - -#define VEXPRESS_GPIO_MMC_CARDIN 0 -#define VEXPRESS_GPIO_MMC_WPROT 1 -#define VEXPRESS_GPIO_FLASH_WPn 2 -#define VEXPRESS_GPIO_LED0 3 -#define VEXPRESS_GPIO_LED1 4 -#define VEXPRESS_GPIO_LED2 5 -#define VEXPRESS_GPIO_LED3 6 -#define VEXPRESS_GPIO_LED4 7 -#define VEXPRESS_GPIO_LED5 8 -#define VEXPRESS_GPIO_LED6 9 -#define VEXPRESS_GPIO_LED7 10 - #define VEXPRESS_RES_FUNC(_site, _func) \ { \ .start = (_site), \ @@ -44,84 +31,43 @@ .flags = IORESOURCE_BUS, \ } -/* Config bridge API */ +/* Config infrastructure */ -/** - * struct vexpress_config_bridge_info - description of the platform - * configuration infrastructure bridge. - * - * @name: Bridge name - * - * @func_get: Obtains pointer to a configuration function for a given - * device or a Device Tree node, to be used with @func_put - * and @func_exec. The node pointer should take precedence - * over device pointer when both are passed. - * - * @func_put: Tells the bridge that the function will not be used any - * more, so all allocated resources can be released. - * - * @func_exec: Executes a configuration function read or write operation. - * The offset selects a 32 bit word of the value accessed. - * Must return VEXPRESS_CONFIG_STATUS_DONE when operation - * is finished immediately, VEXPRESS_CONFIG_STATUS_WAIT when - * will be completed in some time or negative value in case - * of error. - */ -struct vexpress_config_bridge_info { - const char *name; - void *(*func_get)(struct device *dev, struct device_node *node); - void (*func_put)(void *func); - int (*func_exec)(void *func, int offset, bool write, u32 *data); -}; +void vexpress_config_set_master(u32 site); +u32 vexpress_config_get_master(void); -struct vexpress_config_bridge; +void vexpress_config_lock(void *arg); +void vexpress_config_unlock(void *arg); -struct vexpress_config_bridge *vexpress_config_bridge_register( - struct device_node *node, - struct vexpress_config_bridge_info *info); -void vexpress_config_bridge_unregister(struct vexpress_config_bridge *bridge); +int vexpress_config_get_topo(struct device_node *node, u32 *site, + u32 *position, u32 *dcc); -void vexpress_config_complete(struct vexpress_config_bridge *bridge, - int status); +/* Config bridge API */ -/* Config function API */ +struct vexpress_config_bridge_ops { + struct regmap * (*regmap_init)(struct device *dev, void *context); + void (*regmap_exit)(struct regmap *regmap, void *context); +}; -struct vexpress_config_func; +struct device *vexpress_config_bridge_register(struct device *parent, + struct vexpress_config_bridge_ops *ops, void *context); -struct vexpress_config_func *__vexpress_config_func_get(struct device *dev, - struct device_node *node); -#define vexpress_config_func_get_by_dev(dev) \ - __vexpress_config_func_get(dev, NULL) -#define vexpress_config_func_get_by_node(node) \ - __vexpress_config_func_get(NULL, node) -void vexpress_config_func_put(struct vexpress_config_func *func); +/* Config regmap API */ -/* Both may sleep! */ -int vexpress_config_read(struct vexpress_config_func *func, int offset, - u32 *data); -int vexpress_config_write(struct vexpress_config_func *func, int offset, - u32 data); +struct regmap *devm_regmap_init_vexpress_config(struct device *dev); /* Platform control */ +unsigned int vexpress_get_mci_cardin(struct device *dev); u32 vexpress_get_procid(int site); -u32 vexpress_get_hbi(int site); void *vexpress_get_24mhz_clock_base(void); void vexpress_flags_set(u32 data); -#define vexpress_get_site_by_node(node) __vexpress_get_site(NULL, node) -#define vexpress_get_site_by_dev(dev) __vexpress_get_site(dev, NULL) -unsigned __vexpress_get_site(struct device *dev, struct device_node *node); - void vexpress_sysreg_early_init(void __iomem *base); -void vexpress_sysreg_of_early_init(void); +int vexpress_syscfg_device_register(struct platform_device *pdev); /* Clocks */ -struct clk *vexpress_osc_setup(struct device *dev); -void vexpress_osc_of_setup(struct device_node *node); - void vexpress_clk_init(void __iomem *sp810_base); -void vexpress_clk_of_init(void); #endif diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h index 486c3972c0be..ced92345c963 100644 --- a/include/linux/vm_event_item.h +++ b/include/linux/vm_event_item.h @@ -80,6 +80,10 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, NR_TLB_LOCAL_FLUSH_ALL, NR_TLB_LOCAL_FLUSH_ONE, #endif /* CONFIG_DEBUG_TLBFLUSH */ +#ifdef CONFIG_DEBUG_VM_VMACACHE + VMACACHE_FIND_CALLS, + VMACACHE_FIND_HITS, +#endif NR_VM_EVENT_ITEMS }; diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 45c9cd1daf7a..82e7db7f7100 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -95,6 +95,12 @@ static inline void vm_events_fold_cpu(int cpu) #define count_vm_tlb_events(x, y) do { (void)(y); } while (0) #endif +#ifdef CONFIG_DEBUG_VM_VMACACHE +#define count_vm_vmacache_event(x) count_vm_event(x) +#else +#define count_vm_vmacache_event(x) do {} while (0) +#endif + #define __count_zone_vm_events(item, zone, delta) \ __count_vm_events(item##_NORMAL - ZONE_NORMAL + \ zone_idx(zone), delta) diff --git a/include/linux/wait.h b/include/linux/wait.h index e7d9d9ed14f5..bd68819f0815 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -191,11 +191,23 @@ wait_queue_head_t *bit_waitqueue(void *, int); (!__builtin_constant_p(state) || \ state == TASK_INTERRUPTIBLE || state == TASK_KILLABLE) \ +/* + * The below macro ___wait_event() has an explicit shadow of the __ret + * variable when used from the wait_event_*() macros. + * + * This is so that both can use the ___wait_cond_timeout() construct + * to wrap the condition. + * + * The type inconsistency of the wait_event_*() __ret variable is also + * on purpose; we use long where we can return timeout values and int + * otherwise. + */ + #define ___wait_event(wq, condition, state, exclusive, ret, cmd) \ ({ \ __label__ __out; \ wait_queue_t __wait; \ - long __ret = ret; \ + long __ret = ret; /* explicit shadow */ \ \ INIT_LIST_HEAD(&__wait.task_list); \ if (exclusive) \ diff --git a/include/linux/zbud.h b/include/linux/zbud.h index 2571a5cfa5fc..13af0d450bf6 100644 --- a/include/linux/zbud.h +++ b/include/linux/zbud.h @@ -11,7 +11,7 @@ struct zbud_ops { struct zbud_pool *zbud_create_pool(gfp_t gfp, struct zbud_ops *ops); void zbud_destroy_pool(struct zbud_pool *pool); -int zbud_alloc(struct zbud_pool *pool, int size, gfp_t gfp, +int zbud_alloc(struct zbud_pool *pool, unsigned int size, gfp_t gfp, unsigned long *handle); void zbud_free(struct zbud_pool *pool, unsigned long handle); int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries); |