arm64: dts: qcom: sc7180: Drop the unused non-MSA SID
authorSibi Sankar <sibis@codeaurora.org>
Tue, 30 Jun 2020 08:19:38 +0000 (13:49 +0530)
committerBjorn Andersson <bjorn.andersson@linaro.org>
Wed, 8 Jul 2020 19:19:35 +0000 (12:19 -0700)
commit08257610302159e08fd4f5d33787807374ea63c7
tree05f727a8c9194f1514956e2021dd89b83cf1bdad
parent948f6161c6ab7f66cda77cfcd7b43b4270c9f497
arm64: dts: qcom: sc7180: Drop the unused non-MSA SID

Having a non-MSA (Modem Self-Authentication) SID bypassed breaks modem
sandboxing i.e if a transaction were to originate from it, the hardware
memory protections units (XPUs) would fail to flag them (any transaction
originating from modem are historically termed as an MSA transaction).
Drop the unused non-MSA modem SID on SC7180 SoCs and cheza so that SMMU
continues to block them.

Tested-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Fixes: bec71ba243e95 ("arm64: dts: qcom: sc7180: Update Q6V5 MSS node")
Fixes: 68aee4af5f620 ("arm64: dts: qcom: sdm845-cheza: Add iommus property")
Cc: stable@vger.kernel.org
Reported-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200630081938.8131-1-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
arch/arm64/boot/dts/qcom/sc7180-idp.dts
arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi