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From: Stephen Boyd <swboyd@chromium.org>
To: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
	devicetree@vger.kernel.org
Cc: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>,
	linux-arm-msm@vger.kernel.org,
	Douglas Anderson <dianders@chromium.org>,
	linux-kernel@vger.kernel.org,
	Matthias Kaehlcke <mka@chromium.org>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: dts: qcom: sc7180: Add iommus property to QUP0 and QUP1
Date: Tue, 14 Jan 2020 19:14:35 -0800	[thread overview]
Message-ID: <5e1e839c.1c69fb81.1ab3c.06dd@mx.google.com> (raw)
In-Reply-To: <20200110101802.4491-1-saiprakash.ranjan@codeaurora.org>

Quoting Sai Prakash Ranjan (2020-01-10 02:18:02)
> 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>
> ---

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Stephen Boyd <swboyd@chromium.org>


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  reply	other threads:[~2020-01-15  3:14 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 [this message]
2020-01-15 22:43 ` Doug Anderson

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