On Mon, 11 May 2020 23:25:32 +0530, Sibi Sankar wrote: > The modem remote processor has two access paths to DDR. One path is > directly connected to DDR and another path goes through an SMMU. The > SMMU path is configured to be a direct mapping because it's used by > various peripherals in the modem subsystem. Typically this direct > mapping is configured statically at EL2 by QHEE (Qualcomm's Hypervisor > Execution Environment) before the kernel is entered. > > [...] Applied to will (for-joerg/arm-smmu/updates), thanks! [1/1] iommu/arm-smmu-qcom: Request direct mapping for modem device https://git.kernel.org/will/c/d100ff3843b7 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev