linux-kernel - Re: [PATCH v5 1/4] dt-bindings/gic-v3: Add msm8996 compatible string

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Message-ID: <20181210221938.GA23517@bogus>
Date:   Mon, 10 Dec 2018 16:19:38 -0600
From:   Rob Herring <robh@...nel.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     marc.zyngier@....com, sudeep.holla@....com, tglx@...utronix.de,
        jason@...edaemon.net, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, rnayak@...eaurora.org,
        sboyd@...nel.org, bjorn.andersson@...aro.org,
        nicolas.dechesne@...aro.org, ctatlor97@...il.com, vkoul@...nel.org,
        robh+dt@...nel.org, devicetree@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: Re: [PATCH v5 1/4] dt-bindings/gic-v3: Add msm8996 compatible string

On Mon, 10 Dec 2018 13:56:30 +0000, Srinivas Kandagatla wrote:
> Access to GICR_WAKER is restricted on msm8996 SoC in Hypervisor.
> There are many devices out there with this restriction in place
> and there has been no update to this firmware since last few years,
> making those devices totally unusable for upstream development.
> 
> IIDR register value conflicts with other SoCs, using compatible seems
> to be the only way to apply quirks required for msm8996 based SoCs.
> 
> Without this quirk many qcom SoCs (atleast 3 that I know) are
> unable to boot mainline.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
>  .../devicetree/bindings/interrupt-controller/arm,gic-v3.txt   | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 

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