Hi Uwe,
On 01/26/2016 12:09 AM, Uwe Kleine-König wrote:
Hello Guenter,
On Mon, Jan 25, 2016 at 06:53:07PM -0800, Guenter Roeck wrote:
Patch #1 adds timer functionality to the watchdog core. It solves the problem
of short maximum hardware timeouts by augmenting heartbeats triggered from
user space with internally triggered heartbeats.
Patch #2 adds functionality to generate heartbeats while the watchdog device
is closed. It handles situation where where the watchdog is running after
the driver has been instantiated, but the device is not yet opened,
and post-close situations necessary if a watchdog can not be stopped.
Patch #3 makes the set_timeout function optional. This is now possible since
timeout changes can now be completely handled in the watchdog core, for
example if the hardware watchdog timeout is fixed.
Patch #4 adds code to ensure that the minimum time between heartbeats meets
constraints provided by the watchdog driver.
Patch #5 simplifies the watchdog_update_worker() function introduced with
patch #1 to only take a single argument, and to always cancel any pending
work if a worker is not or no longer needed. This patch is kept as separate
patch on purpose, to enable dropping or reverting it easily if it causes
any problems. It should not cause any problems; this is just out of an
abundance of caution.
Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> for patches
1-5.
Thanks a lot for your time!
Guenter
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