driver-core: Shut up dev_dbg_reatelimited() without DEBUG
authorHiroshi Doyu <hdoyu@nvidia.com>
Tue, 4 Sep 2012 04:40:40 +0000 (06:40 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 11 Sep 2012 03:28:11 +0000 (20:28 -0700)
dev_dbg_reatelimited() without DEBUG printed "217078 callbacks
suppressed". This shouldn't print anything without DEBUG.

With CONFIG_DYNAMIC_DEBUG, the print should be configured as expected.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
Reported-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Tested-by: Antti Palosaari <crope@iki.fi>
Tested-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Acked-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/linux/device.h

index ecd900663726397a185ba4586f123f17e8d1fccb..378a27c1d1afc2ba0538bea9df5abdf9fb1a08e8 100644 (file)
@@ -950,6 +950,32 @@ 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,                              \
@@ -973,33 +999,21 @@ 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