[PATCH v4 0/5] realtek: Use WDT for system restart
sander at svanheule.net
Wed Nov 24 11:34:30 PST 2021
On Wed, 2021-11-24 at 21:33 +0200, Stijn Tintel wrote:
> On 14/11/2021 20:45, Sander Vanheule wrote:
> > Backport and enable the Realtek Otto watchdog driver for enhanced system
> > reliability. The watchdog driver can also be used to restart the system,
> > but that requires the _machine_restart to be removed.
> > Removing _machine_restart has the added benefit of enabling the use of other
> > restart handlers in addition to the watchdog restart, such as gpio-restart,
> > which may be more reliable than the SoCs internal reset circuitry. Removing
> > the
> > override also brings the current target closer to upstream, which will
> > become
> > relevant when switching to the next LTS kernel.
> > This series contains the watchdog driver as currently submitted upstream,
> > without the devicetree bindings. If the driver gets accepted before this
> > series
> > is merged, I can already update it with the final version. Otherwise, a
> > follow-up will be sent to replace the patch.
> > The WDT driver was previously tested on my Netgear GS110TPPv1, Zyxel GS1900-
> > 8,
> > and Zyxel XGS1250-12. Testers with other devices should ensure that their
> > system can still restart after applying the complete series.
> > Main changes in v4:
> > - Use cold restart (full SoC reset) on all devices by default
> Thanks, will merge these soon.
> Tested-by: Stijn Tintel <stijn at linux-ipv6.be>
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