linux-kernel - Re: [PATCH 1/3] ARM: dts: imx7s: add snvs clock to pwrkey

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Message-ID: <20200206183053.GA27553@bogus>
Date:   Thu, 6 Feb 2020 18:30:53 +0000
From:   Rob Herring <robh@...nel.org>
To:     André Draszik <git@...red.net>
Cc:     linux-kernel@...r.kernel.org,
        André Draszik <git@...red.net>,
        Anson Huang <Anson.Huang@....com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Horia Geantă <horia.geanta@....com>,
        Aymen Sghaier <aymen.sghaier@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Mark Rutland <mark.rutland@....com>,
        linux-crypto@...r.kernel.org, devicetree@...r.kernel.org,
        linux-input@...r.kernel.org
Subject: Re: [PATCH 1/3] ARM: dts: imx7s: add snvs clock to pwrkey

On Thu, 30 Jan 2020 20:45:14 +0000, =?UTF-8?q?Andr=C3=A9=20Draszik?= wrote:
> On i.MX7, the SNVS requires a clock. This is similar to the clock
> bound to the SNVS RTC node, but if the SNVS RTC driver isn't enabled,
> then SNVS doesn't work, and as such the pwrkey driver doesn't
> work (i.e. hangs the kernel, as the clock isn't enabled).
> 
> Also see commit ec2a844ef7c1
> ("ARM: dts: imx7s: add snvs rtc clock")
> for a similar fix.
> 
> Signed-off-by: André Draszik <git@...red.net>
> Cc: Anson Huang <Anson.Huang@....com>
> Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
> Cc: "Horia Geantă" <horia.geanta@....com>
> Cc: Aymen Sghaier <aymen.sghaier@....com>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: linux-crypto@...r.kernel.org
> Cc: devicetree@...r.kernel.org
> Cc: linux-input@...r.kernel.org
> ---
>  .../devicetree/bindings/crypto/fsl-sec4.txt     | 17 +++++++++++++++++
>  arch/arm/boot/dts/imx7s.dtsi                    |  2 ++
>  2 files changed, 19 insertions(+)
> 

Acked-by: Rob Herring <robh@...nel.org>