From: Stephan Gerhold Date: Wed, 12 Feb 2025 17:03:51 +0000 (+0100) Subject: arm64: dts: qcom: sa8775p: Add missing properties for cryptobam X-Git-Tag: v6.16-rc1~97^2~20^2~115^2~66 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2517331f11bd22cded60e791a8818cec3e7597a;p=thirdparty%2Fkernel%2Fstable.git arm64: dts: qcom: sa8775p: Add missing properties for cryptobam num-channels and qcom,num-ees are required for BAM nodes without clock, because the driver cannot ensure the hardware is powered on when trying to obtain the information from the hardware registers. Specifying the node without these properties is unsafe and has caused early boot crashes for other SoCs before [1, 2]. Add the missing information from the hardware registers to ensure the driver can probe successfully without causing crashes. [1]: https://lore.kernel.org/r/CY01EKQVWE36.B9X5TDXAREPF@fairphone.com/ [2]: https://lore.kernel.org/r/20230626145959.646747-1-krzysztof.kozlowski@linaro.org/ Cc: stable@vger.kernel.org Fixes: 7ff3da43ef44 ("arm64: dts: qcom: sa8775p: add QCrypto nodes") Signed-off-by: Stephan Gerhold Link: https://lore.kernel.org/r/20250212-bam-dma-fixes-v1-5-f560889e65d8@linaro.org Signed-off-by: Bjorn Andersson --- diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi index 23049cc588960..6a2c49047df54 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi @@ -2413,6 +2413,8 @@ interrupts = ; #dma-cells = <1>; qcom,ee = <0>; + qcom,num-ees = <4>; + num-channels = <20>; qcom,controlled-remotely; iommus = <&apps_smmu 0x480 0x00>, <&apps_smmu 0x481 0x00>;