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watchdog: skip min and max timeout validity check when max_hw_heartbeat_ms is defined
When max_hw_heartbeat_ms has a none zero value, max_timeout is not used.
So it's value can be 0. In such case if a driver uses min_timeout
functionality, then check will always fail.
This patch fixes above issue.
Signed-off-by: Pratyush Anand <panand@redhat.com>
Signed-off-by: Fu Wei <fu.wei@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>