diff options
| author | Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> | 2016-10-07 15:39:57 +0300 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2016-10-08 11:27:24 +0300 |
| commit | 89873a711dd20b614abb6e4038fb4b5462f4c701 (patch) | |
| tree | 88fadc0684b9936a9c60eae9cf91ccacd409003e /drivers/watchdog/watchdog_pretimeout.h | |
| parent | 53f96cee1aff74c8ee3c5f7a25df0c01d7117eeb (diff) | |
| download | linux-89873a711dd20b614abb6e4038fb4b5462f4c701.tar.xz | |
watchdog: pretimeout: add pretimeout_available_governors attribute
The change adds an option to a user with CONFIG_WATCHDOG_SYSFS and
CONFIG_WATCHDOG_PRETIMEOUT_GOV enabled to get information about all
registered watchdog pretimeout governors by reading watchdog device
attribute named "pretimeout_available_governors".
Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog/watchdog_pretimeout.h')
| -rw-r--r-- | drivers/watchdog/watchdog_pretimeout.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/watchdog/watchdog_pretimeout.h b/drivers/watchdog/watchdog_pretimeout.h index 6cd6c89a411c..a5a32b39c56d 100644 --- a/drivers/watchdog/watchdog_pretimeout.h +++ b/drivers/watchdog/watchdog_pretimeout.h @@ -18,6 +18,7 @@ void watchdog_unregister_governor(struct watchdog_governor *gov); /* Interfaces to watchdog_dev.c */ int watchdog_register_pretimeout(struct watchdog_device *wdd); void watchdog_unregister_pretimeout(struct watchdog_device *wdd); +int watchdog_pretimeout_available_governors_get(char *buf); int watchdog_pretimeout_governor_get(struct watchdog_device *wdd, char *buf); int watchdog_pretimeout_governor_set(struct watchdog_device *wdd, const char *buf); @@ -38,6 +39,11 @@ static inline void watchdog_unregister_pretimeout(struct watchdog_device *wdd) { } +static inline int watchdog_pretimeout_available_governors_get(char *buf) +{ + return -EINVAL; +} + static inline int watchdog_pretimeout_governor_get(struct watchdog_device *wdd, char *buf) { |