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Date: Mon, 9 Mar 2020 23:52:52 +0530 From: Sibi Sankar <sibis@...eaurora.org> To: bjorn.andersson@...aro.org, robh+dt@...nel.org, joro@...tes.org Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org, iommu@...ts.linux-foundation.org, linux-remoteproc@...r.kernel.org, ohad@...ery.com, agross@...nel.org, Sibi Sankar <sibis@...eaurora.org> Subject: [PATCH 0/3] Request direct mapping for modem firmware subdevice The Q6 modem sub-system has direct access to DDR through memnoc and an indirect access routed through a SMMU which MSS CE (crypto engine sub-component of MSS) uses during out of reset sequence. Request direct mapping for the modem-firmware subdevice since smmu is not expected to provide access control/translation for these SIDs (sandboxing of the modem is achieved through XPUs engaged using SMC calls). Sibi Sankar (3): iommu: Export "iommu_request_dm_for_dev" dt-bindings: remoteproc: qcom: Add modem-firmware bindings remoteproc: qcom_q6v5_mss: Request direct mapping for firmware subdevice .../bindings/remoteproc/qcom,q6v5.txt | 4 ++ drivers/iommu/iommu.c | 1 + drivers/remoteproc/qcom_q6v5_mss.c | 68 +++++++++++++++++++ 3 files changed, 73 insertions(+) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
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