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-rw-r--r--include/linux/device.h92
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
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