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Tue, 14 Jan 2020 19:14:36 -0800 (PST) Message-ID: <5e1e839c.1c69fb81.1ab3c.06dd@mx.google.com> MIME-Version: 1.0 In-Reply-To: <20200110101802.4491-1-saiprakash.ranjan@codeaurora.org> References: <20200110101802.4491-1-saiprakash.ranjan@codeaurora.org> To: Andy Gross , Bjorn Andersson , Rob Herring , Sai Prakash Ranjan , devicetree@vger.kernel.org From: Stephen Boyd Subject: Re: [PATCH] arm64: dts: qcom: sc7180: Add iommus property to QUP0 and QUP1 User-Agent: alot/0.8.1 Date: Tue, 14 Jan 2020 19:14:35 -0800 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200114_191444_092852_D710702C X-CRM114-Status: UNSURE ( 7.16 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sai Prakash Ranjan , linux-arm-msm@vger.kernel.org, Douglas Anderson , linux-kernel@vger.kernel.org, Matthias Kaehlcke , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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 > --- Reviewed-by: Stephen Boyd Tested-by: Stephen Boyd _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel