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See http://www.infradead.org/rpr.html Cc: ohad@wizery.com, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, bjorn.andersson@linaro.org, iommu@lists.linux-foundation.org, robh+dt@kernel.org, agross@kernel.org 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" On Mon, Mar 09, 2020 at 11:52:52PM +0530, Sibi Sankar wrote: > 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). Please fix your device tree so that the device isn't bound to an IOMMU. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu