driver core: Add dev_*_ratelimited() family

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / device.h

diff --git a/include/linux/device.h b/include/linux/device.h
index 5ad17cccdd715cbd95ea98f7b279f9fd3d106ec3..a8db2cfa2c81f17c8bba42e7bbbb884625df62ff 100644 (file)
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -23,6 +23,7 @@
 #include <linux/mutex.h>
 #include <linux/pm.h>
 #include <linux/atomic.h>
+#include <linux/ratelimit.h>
 #include <asm/device.h>
 
 struct device;
@@ -502,7 +503,7 @@ ssize_t device_store_int(struct device *dev, struct device_attribute *attr,
                { __ATTR(_name, _mode, device_show_ulong, device_store_ulong), &(_var) }
 #define DEVICE_INT_ATTR(_name, _mode, _var) \
        struct dev_ext_attribute dev_attr_##_name = \
-               { __ATTR(_name, _mode, device_show_ulong, device_store_ulong), &(_var) }
+               { __ATTR(_name, _mode, device_show_int, device_store_int), &(_var) }
 
 extern int device_create_file(struct device *device,
                              const struct device_attribute *entry);
@@ -541,6 +542,8 @@ extern void *devres_remove(struct device *dev, dr_release_t release,
                           dr_match_t match, void *match_data);
 extern int devres_destroy(struct device *dev, dr_release_t release,
                          dr_match_t match, void *match_data);
+extern int devres_release(struct device *dev, dr_release_t release,
+                         dr_match_t match, void *match_data);
 
 /* devres group */
 extern void * __must_check devres_open_group(struct device *dev, void *id,
@@ -931,6 +934,32 @@ int _dev_info(const struct device *dev, const char *fmt, ...)
 
 #endif
 
+#define dev_level_ratelimited(dev_level, dev, fmt, ...)                        \
+do {                                                                   \
+       static DEFINE_RATELIMIT_STATE(_rs,                              \
+                                     DEFAULT_RATELIMIT_INTERVAL,       \
+                                     DEFAULT_RATELIMIT_BURST);         \
+       if (__ratelimit(&_rs))                                          \
+               dev_level(dev, fmt, ##__VA_ARGS__);                     \
+} while (0)
+
+#define dev_emerg_ratelimited(dev, fmt, ...)                           \
+       dev_level_ratelimited(dev_emerg, dev, fmt, ##__VA_ARGS__)
+#define dev_alert_ratelimited(dev, fmt, ...)                           \
+       dev_level_ratelimited(dev_alert, dev, fmt, ##__VA_ARGS__)
+#define dev_crit_ratelimited(dev, fmt, ...)                            \
+       dev_level_ratelimited(dev_crit, dev, fmt, ##__VA_ARGS__)
+#define dev_err_ratelimited(dev, fmt, ...)                             \
+       dev_level_ratelimited(dev_err, dev, fmt, ##__VA_ARGS__)
+#define dev_warn_ratelimited(dev, fmt, ...)                            \
+       dev_level_ratelimited(dev_warn, dev, fmt, ##__VA_ARGS__)
+#define dev_notice_ratelimited(dev, fmt, ...)                          \
+       dev_level_ratelimited(dev_notice, dev, fmt, ##__VA_ARGS__)
+#define dev_info_ratelimited(dev, fmt, ...)                            \
+       dev_level_ratelimited(dev_info, dev, fmt, ##__VA_ARGS__)
+#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
  *