From: Doug Anderson <dianders@chromium.org>
To: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Cc: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Stephen Boyd <swboyd@chromium.org>,
Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Matthias Kaehlcke <mka@chromium.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] arm64: dts: qcom: sc7180: Add iommus property to QUP0 and QUP1
Date: Wed, 15 Jan 2020 14:43:55 -0800 [thread overview]
Message-ID: <CAD=FV=Voec=RNabf7eqMDd68J7KCgVpNwvUxaz6SVwGMnrCppQ@mail.gmail.com> (raw)
In-Reply-To: <20200110101802.4491-1-saiprakash.ranjan@codeaurora.org>
Hi,
On Fri, Jan 10, 2020 at 2:18 AM Sai Prakash Ranjan
<saiprakash.ranjan@codeaurora.org> wrote:
>
> Define iommus property for QUP0 and QUP1 with the proper SID
> and mask. Below SMMU global faults are seen without this during
> boot and when using i2c touchscreen.
>
> QUP0:
> arm-smmu 15000000.iommu: Unexpected global fault, this could be serious
> arm-smmu 15000000.iommu: GFSR 0x00000002, GFSYNR0 0x00000002, GFSYNR1 0x00000043, GFSYNR2 0x00000000
>
> QUP1:
> arm-smmu 15000000.iommu: Unexpected global fault, this could be serious
> arm-smmu 15000000.iommu: GFSR 0x00000002, GFSYNR0 0x00000002, GFSYNR1 0x000004c3, GFSYNR2 0x00000000
>
> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
> ---
> arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
Fixes: ba3fc6496366 ("arm64: dts: sc7180: Add qupv3_0 and qupv3_1")
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
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prev parent reply other threads:[~2020-01-15 22:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-10 10:18 [PATCH] arm64: dts: qcom: sc7180: Add iommus property to QUP0 and QUP1 Sai Prakash Ranjan
2020-01-15 3:14 ` Stephen Boyd
2020-01-15 22:43 ` Doug Anderson [this message]
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