From patchwork Tue Mar 17 15:09:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 11443109 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 966D8913 for ; Tue, 17 Mar 2020 15:09:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7562B20752 for ; Tue, 17 Mar 2020 15:09:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="KAHDfKAr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726908AbgCQPJj (ORCPT ); Tue, 17 Mar 2020 11:09:39 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:47375 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726828AbgCQPJi (ORCPT ); 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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 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 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 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org 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 }, {}, };