diff options
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 92 |
1 files changed, 64 insertions, 28 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 52a5f15a2223..86ef6ab553b1 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -536,6 +536,10 @@ extern void *__devres_alloc(dr_release_t release, size_t size, gfp_t gfp, #else extern void *devres_alloc(dr_release_t release, size_t size, gfp_t gfp); #endif +extern void devres_for_each_res(struct device *dev, dr_release_t release, + dr_match_t match, void *match_data, + void (*fn)(struct device *, void *, void *), + void *data); extern void devres_free(void *res); extern void devres_add(struct device *dev, void *res); extern void *devres_find(struct device *dev, dr_release_t release, @@ -772,6 +776,13 @@ static inline void pm_suspend_ignore_children(struct device *dev, bool enable) dev->power.ignore_children = enable; } +static inline void dev_pm_syscore_device(struct device *dev, bool val) +{ +#ifdef CONFIG_PM_SLEEP + dev->power.syscore = val; +#endif +} + static inline void device_lock(struct device *dev) { mutex_lock(&dev->mutex); @@ -891,12 +902,15 @@ extern const char *dev_driver_string(const struct device *dev); #ifdef CONFIG_PRINTK -extern int __dev_printk(const char *level, const struct device *dev, - struct va_format *vaf); +extern __printf(3, 0) +int dev_vprintk_emit(int level, const struct device *dev, + const char *fmt, va_list args); +extern __printf(3, 4) +int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...); + extern __printf(3, 4) int dev_printk(const char *level, const struct device *dev, - const char *fmt, ...) - ; + const char *fmt, ...); extern __printf(2, 3) int dev_emerg(const struct device *dev, const char *fmt, ...); extern __printf(2, 3) @@ -914,6 +928,14 @@ int _dev_info(const struct device *dev, const char *fmt, ...); #else +static inline __printf(3, 0) +int dev_vprintk_emit(int level, const struct device *dev, + const char *fmt, va_list args) +{ return 0; } +static inline __printf(3, 4) +int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...) +{ return 0; } + static inline int __dev_printk(const char *level, const struct device *dev, struct va_format *vaf) { return 0; } @@ -946,6 +968,32 @@ int _dev_info(const struct device *dev, const char *fmt, ...) #endif +/* + * Stupid hackaround for existing uses of non-printk uses dev_info + * + * Note that the definition of dev_info below is actually _dev_info + * and a macro is used to avoid redefining dev_info + */ + +#define dev_info(dev, fmt, arg...) _dev_info(dev, fmt, ##arg) + +#if defined(CONFIG_DYNAMIC_DEBUG) +#define dev_dbg(dev, format, ...) \ +do { \ + dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \ +} while (0) +#elif defined(DEBUG) +#define dev_dbg(dev, format, arg...) \ + dev_printk(KERN_DEBUG, dev, format, ##arg) +#else +#define dev_dbg(dev, format, arg...) \ +({ \ + if (0) \ + dev_printk(KERN_DEBUG, dev, format, ##arg); \ + 0; \ +}) +#endif + #define dev_level_ratelimited(dev_level, dev, fmt, ...) \ do { \ static DEFINE_RATELIMIT_STATE(_rs, \ @@ -969,33 +1017,21 @@ do { \ dev_level_ratelimited(dev_notice, dev, fmt, ##__VA_ARGS__) #define dev_info_ratelimited(dev, fmt, ...) \ dev_level_ratelimited(dev_info, dev, fmt, ##__VA_ARGS__) +#if defined(CONFIG_DYNAMIC_DEBUG) || defined(DEBUG) #define dev_dbg_ratelimited(dev, fmt, ...) \ - dev_level_ratelimited(dev_dbg, dev, fmt, ##__VA_ARGS__) - -/* - * Stupid hackaround for existing uses of non-printk uses dev_info - * - * Note that the definition of dev_info below is actually _dev_info - * and a macro is used to avoid redefining dev_info - */ - -#define dev_info(dev, fmt, arg...) _dev_info(dev, fmt, ##arg) - -#if defined(CONFIG_DYNAMIC_DEBUG) -#define dev_dbg(dev, format, ...) \ -do { \ - dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \ +do { \ + static DEFINE_RATELIMIT_STATE(_rs, \ + DEFAULT_RATELIMIT_INTERVAL, \ + DEFAULT_RATELIMIT_BURST); \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) && \ + __ratelimit(&_rs)) \ + __dynamic_pr_debug(&descriptor, pr_fmt(fmt), \ + ##__VA_ARGS__); \ } while (0) -#elif defined(DEBUG) -#define dev_dbg(dev, format, arg...) \ - dev_printk(KERN_DEBUG, dev, format, ##arg) #else -#define dev_dbg(dev, format, arg...) \ -({ \ - if (0) \ - dev_printk(KERN_DEBUG, dev, format, ##arg); \ - 0; \ -}) +#define dev_dbg_ratelimited(dev, fmt, ...) \ + no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) #endif #ifdef VERBOSE_DEBUG |