[PATCH v3 4/4] watchdog/pseries-wdt: initial support for H_WATCHDOG-based watchdog timers

[Guenter Roeck]

On Mon, Jul 25, 2022 at 11:11:41AM -0500, Scott Cheloha wrote:
> On Wed, Jul 13, 2022 at 01:50:14PM -0700, Guenter Roeck wrote:
> > On 7/13/22 13:23, Scott Cheloha wrote:
> > > PAPR v2.12 defines a new hypercall, H_WATCHDOG.  The hypercall permits
> > > guest control of one or more virtual watchdog timers.  The timers have
> > > millisecond granularity.  The guest is terminated when a timer
> > > expires.
> > > 
> > > This patch adds a watchdog driver for these timers, "pseries-wdt".
> > > 
> > > pseries_wdt_probe() currently assumes the existence of only one
> > > platform device and always assigns it watchdogNumber 1.  If we ever
> > > expose more than one timer to userspace we will need to devise a way
> > > to assign a distinct watchdogNumber to each platform device at device
> > > registration time.
> > > 
> > > Signed-off-by: Scott Cheloha <cheloha at linux.ibm.com>
> > 
> > Acked-by: Guenter Roeck <linux at roeck-us.net>
> 
> Guenter, Michael,
> 
> Which tree is taking this series?
> 
The series includes non-watchdog changes, so my expectation was that some
other tree would take it.

Guenter

> watchdog-next or PPC development?
> 
> -Scott