Re: [PATCH v2 15/20] watchdog: s3c2410_wdt: Add support for Google tensor SoCs

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Hi Guenter,

Thanks for your review.

On Wed, 11 Oct 2023 at 00:56, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
>
> On Tue, Oct 10, 2023 at 11:49:23PM +0100, Peter Griffin wrote:
> > This patch adds the compatibles and drvdata for the Google
> > gs101 & gs201 SoCs found in Pixel 6 and Pixel 7 phones. Similar
> > to Exynos850 it has two watchdog instances, one for each cluster
> > and has some control bits in PMU registers.
> >
> > The watchdog IP found in gs101 SoCs also supports a few
> > additional bits/features in the WTCON register which we add
> > support for and an additional register detailed below.
> >
> > dbgack-mask - Enables masking WDT interrupt and reset request
> > according to asserted DBGACK input
> >
> > windowed-mode - Enabled Windowed watchdog mode
> >
> > Windowed watchdog mode also has an additional register WTMINCNT.
> > If windowed watchdog is enabled and you reload WTCNT when the
> > value is greater than WTMINCNT, it prompts interrupt or reset
> > request as if the watchdog time has expired.
>
> I am a bit lost with this one. The patch adds QUIRK_HAS_WTMINCNT_REG
> but doesn't use it. It also adds S3C2410_WTMINCNT but does not use it
> either.
>
> What is the point of doing that ? It is just confusing.

Good spot, it seems I lost a few hunks from this patch at some point, sorry
about that. I will update and send a v3.

regards,

Peter.




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