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authorSibi Sankar <sibis@codeaurora.org>2020-06-30 13:49:38 +0530
committerBjorn Andersson <bjorn.andersson@linaro.org>2020-07-08 12:19:35 -0700
commit08257610302159e08fd4f5d33787807374ea63c7 (patch)
tree05f727a8c9194f1514956e2021dd89b83cf1bdad /arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
parent948f6161c6ab7f66cda77cfcd7b43b4270c9f497 (diff)
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>
Diffstat (limited to 'arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi')
-rw-r--r--arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
index 70466cc4b405..64fc1bfd66fa 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
@@ -634,7 +634,7 @@ ap_ts_i2c: &i2c14 {
};
&mss_pil {
- iommus = <&apps_smmu 0x780 0x1>,
+ iommus = <&apps_smmu 0x781 0x0>,
<&apps_smmu 0x724 0x3>;
};