[PATCH v3 4/4] watchdog/pseries-wdt: initial support for H_WATCHDOG-based watchdog timers
Michael Ellerman
mpe at ellerman.id.au
Tue Jul 26 17:14:03 AEST 2022
Guenter Roeck <linux at roeck-us.net> writes:
> 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?
powerpc.
It's been in next-test/next for about a week.
It's in linux-next today.
> The series includes non-watchdog changes, so my expectation was that some
> other tree would take it.
Yep, thanks for the ack.
cheers
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