linux-kernel - Re: [PATCH 17/17] ARM: dts: r8a7742: Add RWDT node

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Date:   Sun, 17 May 2020 23:08:37 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Jens Axboe <axboe@...nel.dk>, Rob Herring <robh+dt@...nel.org>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        "David S. Miller" <davem@...emloft.net>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>, linux-ide@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-i2c@...r.kernel.org, linux-mmc@...r.kernel.org,
        netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-watchdog@...r.kernel.org,
        Prabhakar <prabhakar.csengg@...il.com>
Subject: Re: [PATCH 17/17] ARM: dts: r8a7742: Add RWDT node

On Fri, May 15, 2020 at 04:08:57PM +0100, Lad Prabhakar wrote:
> Add a device node for the Watchdog Timer (RWDT) controller on the Renesas
> RZ/G1H (r8a7742) SoC.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@...renesas.com>

The DTS change looks fine, I checked it against similar SoCs (like the
previous patched). So, for that:

Reviewed-by: Wolfram Sang <wsa+renesas@...g-engineering.com>

However, just to make sure, have you checked the WDT (especially reboot)
with SMP and multiple CPU cores enabled? Some early Gen2 SoCs had issues
there.


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