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| author | Sibi Sankar <sibis@codeaurora.org> | 2020-06-30 13:49:38 +0530 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2020-07-08 12:19:35 -0700 |
| commit | 08257610302159e08fd4f5d33787807374ea63c7 (patch) | |
| tree | 05f727a8c9194f1514956e2021dd89b83cf1bdad /arch/arm64/boot/dts/qcom | |
| parent | 948f6161c6ab7f66cda77cfcd7b43b4270c9f497 (diff) | |
| download | lwn-08257610302159e08fd4f5d33787807374ea63c7.tar.gz lwn-08257610302159e08fd4f5d33787807374ea63c7.zip | |
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')
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sc7180-idp.dts | 2 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts index 39dbfc89689e..141de49a1b7d 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts +++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts @@ -312,7 +312,7 @@ &remoteproc_mpss { status = "okay"; compatible = "qcom,sc7180-mss-pil"; - iommus = <&apps_smmu 0x460 0x1>, <&apps_smmu 0x444 0x3>; + iommus = <&apps_smmu 0x461 0x0>, <&apps_smmu 0x444 0x3>; memory-region = <&mba_mem &mpss_mem>; }; 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>; }; |