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Tue, 17 Mar 2020 15:09:33 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id A9950C43636; Tue, 17 Mar 2020 15:09:33 +0000 (UTC) Received: from blr-ubuntu-87.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sibis) by smtp.codeaurora.org (Postfix) with ESMTPSA id 79D80C4478F; Tue, 17 Mar 2020 15:09:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 79D80C4478F Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=sibis@codeaurora.org From: Sibi Sankar To: bjorn.andersson@linaro.org, robh+dt@kernel.org, joro@8bytes.org, robin.murphy@arm.com Subject: [PATCH v2 2/3] remoteproc: qcom_q6v5_mss: Request direct mapping for modem device Date: Tue, 17 Mar 2020 20:39:09 +0530 Message-Id: <20200317150910.26053-3-sibis@codeaurora.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200317150910.26053-1-sibis@codeaurora.org> References: <20200317150910.26053-1-sibis@codeaurora.org> MIME-Version: 1.0 Cc: ohad@wizery.com, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, dianders@chromium.org, iommu@lists.linux-foundation.org, agross@kernel.org, Sibi Sankar X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Request direct mapping for modem on platforms which don't have TrustZone (which programs the modem SIDs) to prevent the following global faults seen on Cheza/Trogdor: arm-smmu 15000000.iommu: Unexpected global fault, this could be serious arm-smmu 15000000.iommu: GFSR 0x80000002, GFSYNR0 0x00000000, GFSYNR1 0x00000781, GFSYNR2 0x00000000 arm-smmu 15000000.iommu: Unexpected global fault, this could be serious arm-smmu 15000000.iommu: GFSR 0x80000002, GFSYNR0 0x00000000, GFSYNR1 0x00000461, GFSYNR2 0x00000000 Signed-off-by: Sibi Sankar --- drivers/iommu/arm-smmu-qcom.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/iommu/arm-smmu-qcom.c b/drivers/iommu/arm-smmu-qcom.c index ff746acd1c816..5dd7a788f59e1 100644 --- a/drivers/iommu/arm-smmu-qcom.c +++ b/drivers/iommu/arm-smmu-qcom.c @@ -20,12 +20,18 @@ static const struct arm_smmu_client_match_data qcom_mdss = { .direct_mapping = true, }; +static const struct arm_smmu_client_match_data qcom_mss = { + .direct_mapping = true, +}; + static const struct of_device_id qcom_smmu_client_of_match[] = { { .compatible = "qcom,adreno", .data = &qcom_adreno }, { .compatible = "qcom,mdp4", .data = &qcom_mdss }, { .compatible = "qcom,mdss", .data = &qcom_mdss }, { .compatible = "qcom,sc7180-mdss", .data = &qcom_mdss }, + { .compatible = "qcom,sc7180-mss-pil", .data = &qcom_mss }, { .compatible = "qcom,sdm845-mdss", .data = &qcom_mdss }, + { .compatible = "qcom,sdm845-mss-pil", .data = &qcom_mss }, {}, }; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu