From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Sender: sibis=codeaurora.org@mg.codeaurora.org From: Sibi Sankar 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> In-Reply-To: <20200317150910.26053-1-sibis@codeaurora.org> References: <20200317150910.26053-1-sibis@codeaurora.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: bjorn.andersson@linaro.org, robh+dt@kernel.org, joro@8bytes.org, robin.murphy@arm.com Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, iommu@lists.linux-foundation.org, linux-remoteproc@vger.kernel.org, ohad@wizery.com, agross@kernel.org, dianders@chromium.org, Sibi Sankar List-ID: 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