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| author | Hiroshi DOYU <hdoyu@nvidia.com> | 2012-05-14 09:47:57 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-14 17:47:11 +0200 |
| commit | 6ca045930338485a8cdef117e74372aa1678009d (patch) | |
| tree | b48243eeca23dc1b3b29e365d5b420ba121ff124 | |
| parent | Driver Core: don't oops with unregistered driver in driver_find_device() (diff) | |
| download | linux-6ca045930338485a8cdef117e74372aa1678009d.tar.xz linux-6ca045930338485a8cdef117e74372aa1678009d.zip | |
driver core: Add dev_*_ratelimited() family
Add dev_*_ratelimited() family, dev_* version of pr_*_ratelimited().
Using Joe Perches's proposal/implementation.
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | include/linux/device.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 863acf8a0dce..a8db2cfa2c81 100644 --- 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; @@ -933,6 +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 * |