From: Krzysztof Kozlowski Date: Mon, 29 Dec 2025 11:57:35 +0000 (+0100) Subject: arm64: dts: qcom: sm8750: Fix BAM DMA probing X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c6192ec9c4ab8bdb7b2cf8763b7ef7e38671ffe;p=thirdparty%2Fkernel%2Flinux.git arm64: dts: qcom: sm8750: Fix BAM DMA probing Bindings always required "qcom,num-ees" and "num-channels" properties, as reported by dtbs_check: sm8750-mtp.dtb: dma-controller@1dc4000 (qcom,bam-v1.7.4): 'anyOf' conditional failed, one must be fixed: 'qcom,powered-remotely' is a required property 'num-channels' is a required property 'qcom,num-ees' is a required property 'clocks' is a required property 'clock-names' is a required property However since commit 5068b5254812 ("dmaengine: qcom: bam_dma: Fix DT error handling for num-channels/ees") missing properties are actually fatal and BAM does not probe: bam-dma-engine 1dc4000.dma-controller: num-channels unspecified in dt bam-dma-engine 1dc4000.dma-controller: probe with driver bam-dma-engine failed with error -22 Fixes: eeb0f3e4ea67 ("arm64: dts: qcom: sm8750: Add QCrypto nodes") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20251229115734.205744-2-krzysztof.kozlowski@oss.qualcomm.com Signed-off-by: Bjorn Andersson --- diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi index 8a471b2349bec..0a6f2a449c204 100644 --- a/arch/arm64/boot/dts/qcom/sm8750.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi @@ -2088,6 +2088,8 @@ <&apps_smmu 0x481 0>; qcom,ee = <0>; + qcom,num-ees = <4>; + num-channels = <20>; qcom,controlled-remotely; };