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Diffstat (limited to 'Documentation/watchdog/watchdog-kernel-api.txt')
| -rw-r--r-- | Documentation/watchdog/watchdog-kernel-api.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/watchdog/watchdog-kernel-api.txt b/Documentation/watchdog/watchdog-kernel-api.txt index 9eabca1d9355..917eeeabfa5e 100644 --- a/Documentation/watchdog/watchdog-kernel-api.txt +++ b/Documentation/watchdog/watchdog-kernel-api.txt @@ -52,6 +52,7 @@ 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; @@ -81,6 +82,8 @@ It contains following fields: * max_timeout: the watchdog timer's maximum timeout value (in seconds), as seen from userspace. If set, the maximum configurable value for 'timeout'. Not used if max_hw_heartbeat_ms is non-zero. +* min_hw_heartbeat_ms: Minimum time between heartbeats sent to the chip, + in milli-seconds. * max_hw_heartbeat_ms: Maximum hardware heartbeat, in milli-seconds. If set, the infrastructure will send heartbeats to the watchdog driver if 'timeout' is larger than max_hw_heartbeat_ms, unless WDOG_ACTIVE |