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| author | Joe Perches <joe@perches.com> | 2014-11-18 05:18:22 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-11-27 06:40:11 +0300 |
| commit | e135303bd5bebcd22bcf8a6b06ec0dd5a9432708 (patch) | |
| tree | 45c102588a4a450153ad34bb512eb29952fd4f4d /include/linux/device.h | |
| parent | d32394fae95741d733b174ec1446f27765f80233 (diff) | |
| download | linux-e135303bd5bebcd22bcf8a6b06ec0dd5a9432708.tar.xz | |
device: Add dev_<level>_once variants
Add the equivalents to pr_<level>_once.
Suggested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index ce1f21608b16..99fb07cb4f06 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1118,6 +1118,41 @@ do { \ }) #endif +#ifdef CONFIG_PRINTK +#define dev_level_once(dev_level, dev, fmt, ...) \ +do { \ + static bool __print_once __read_mostly; \ + \ + if (!__print_once) { \ + __print_once = true; \ + dev_level(dev, fmt, ##__VA_ARGS__); \ + } \ +} while (0) +#else +#define dev_level_once(dev_level, dev, fmt, ...) \ +do { \ + if (0) \ + dev_level(dev, fmt, ##__VA_ARGS__); \ +} while (0) +#endif + +#define dev_emerg_once(dev, fmt, ...) \ + dev_level_once(dev_emerg, dev, fmt, ##__VA_ARGS__) +#define dev_alert_once(dev, fmt, ...) \ + dev_level_once(dev_alert, dev, fmt, ##__VA_ARGS__) +#define dev_crit_once(dev, fmt, ...) \ + dev_level_once(dev_crit, dev, fmt, ##__VA_ARGS__) +#define dev_err_once(dev, fmt, ...) \ + dev_level_once(dev_err, dev, fmt, ##__VA_ARGS__) +#define dev_warn_once(dev, fmt, ...) \ + dev_level_once(dev_warn, dev, fmt, ##__VA_ARGS__) +#define dev_notice_once(dev, fmt, ...) \ + dev_level_once(dev_notice, dev, fmt, ##__VA_ARGS__) +#define dev_info_once(dev, fmt, ...) \ + dev_level_once(dev_info, dev, fmt, ##__VA_ARGS__) +#define dev_dbg_once(dev, fmt, ...) \ + dev_level_once(dev_info, dev, fmt, ##__VA_ARGS__) + #define dev_level_ratelimited(dev_level, dev, fmt, ...) \ do { \ static DEFINE_RATELIMIT_STATE(_rs, \ |