Re: [PATCH v4 0/9] Watchdog support for Armada 375/38x SoC

[Sebastian Hesselbarth <sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

On 03/15/2014 07:17 PM, Ezequiel Garcia wrote:
> Fourth round of the patchset adding support for watchdog on Armada 375 and
> Armada 38x SoCs.
>
> The new Armada 375/385 SoCs have two registers for the watchdog RSTOUT:
>
>   1. It has a dedicated register (similar to the one in A370/XP)
>   2. Also has a bit in a shared RSTOUT register.
>
> Therefore, in order to support this two-folded RSTOUT, we extend the 'reg'
> property in the watchdog devicetree and require a new pair of cells to specify
> the shared RSTOUT.
>
> On the driver side, we need to implement per-SoC stop() and enabled()
> functions. Such somewhat complex infrastructure is needed to ensure the driver
> performs proper reset of the watchdog timer, by masking and disabling the
> RSTOUT before the interrupt is enabled.
>
> I've pushed a branch so people can test this easily, e.g. ensuring
> no regressions on Dove, Kirkwood and A370/XP:

Ezequiel,

Although, I just saw below that you actually already tested on Dove,
you can add my

Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

> https://github.com/MISL-EBU-System-SW/mainline-public/tree/wdt_a385_a375_v4
>
> Series based on today's mvebu for-next. Will send a rebased version on top of
> v3.15-rc1. Tested on A375-DB, A385-DB, A370-RD and Dove Cubox.

Sebastian

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