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| author |   Guenter Roeck <linux@roeck-us.net> | 2016-02-28 13:12:18 -0800 |
|---|---|---|
| committer |   Wim Van Sebroeck <wim@iguana.be> | 2016-03-16 21:11:19 +0100 |
| commit | 15013ad813f6544be8e79afc23672745950d59bc (patch) | |
| tree | 8cb6da1a21407a0a30d8430fb10a6993863c371b /include/linux/watchdog.h | |
| parent | watchdog: Make stop function optional (diff) | |
| download | linux-dev-15013ad813f6544be8e79afc23672745950d59bc.tar.xz linux-dev-15013ad813f6544be8e79afc23672745950d59bc.zip | |
watchdog: Add support for minimum time between heartbeats
Some watchdogs require a minimum time between heartbeats.
Examples are the watchdogs in DA9062 and AT91SAM9x.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'include/linux/watchdog.h')
| -rw-r--r-- | include/linux/watchdog.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h index e2f45549b243..51732d6c9555 100644 --- a/include/linux/watchdog.h +++ b/include/linux/watchdog.h @@ -65,6 +65,8 @@ struct watchdog_ops { * @max_timeout:The watchdog devices maximum timeout value (in seconds) * as configurable from user space. Only relevant if * max_hw_heartbeat_ms is not provided. + * @min_hw_heartbeat_ms: + * Minimum time between heartbeats, in milli-seconds. * @max_hw_heartbeat_ms: * Hardware limit for maximum timeout, in milli-seconds. * Replaces max_timeout if specified. @@ -95,6 +97,7 @@ struct watchdog_device { unsigned int timeout; unsigned int min_timeout; unsigned int max_timeout; + unsigned int min_hw_heartbeat_ms; unsigned int max_hw_heartbeat_ms; struct notifier_block reboot_nb; struct notifier_block restart_nb; |