This is a note to let you know that I've just added the patch titled arm64: dts: qcom: sm8250: Mark PCIe hosts as DMA coherent to the 6.5-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: arm64-dts-qcom-sm8250-mark-pcie-hosts-as-dma-coheren.patch and it can be found in the queue-6.5 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit dcecd0b328b1f70fab0f1aead00de53001c9282c Author: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> Date: Tue Jul 4 14:23:17 2023 +0200 arm64: dts: qcom: sm8250: Mark PCIe hosts as DMA coherent [ Upstream commit 339d38a436f30d0f874815eafc7de2257346bf26 ] The PCIe hosts on SM8250 are cache-coherent. Mark them as such. Fixes: e53bdfc00977 ("arm64: dts: qcom: sm8250: Add PCIe support") Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> Link: https://lore.kernel.org/r/20230704-topic-8250_pcie_dmac-v1-1-799603a980b0@xxxxxxxxxx Signed-off-by: Bjorn Andersson <andersson@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi index 21ae36196efad..9b77aa7d0c1e1 100644 --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi @@ -1905,6 +1905,7 @@ pcie0: pci@1c00000 { pinctrl-names = "default"; pinctrl-0 = <&pcie0_default_state>; + dma-coherent; status = "disabled"; }; @@ -2011,6 +2012,7 @@ pcie1: pci@1c08000 { pinctrl-names = "default"; pinctrl-0 = <&pcie1_default_state>; + dma-coherent; status = "disabled"; }; @@ -2119,6 +2121,7 @@ pcie2: pci@1c10000 { pinctrl-names = "default"; pinctrl-0 = <&pcie2_default_state>; + dma-coherent; status = "disabled"; };