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 5.15-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-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit f3716c2d4f3ba349515aad584cf16392eab0df23
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 005e75dc6919e..5d6551e1fcd8d 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -1439,6 +1439,7 @@ pcie0: pci@1c00000 {
pinctrl-names = "default";
pinctrl-0 = <&pcie0_default_state>;
+ dma-coherent;
status = "disabled";
};
@@ -1545,6 +1546,7 @@ pcie1: pci@1c08000 {
pinctrl-names = "default";
pinctrl-0 = <&pcie1_default_state>;
+ dma-coherent;
status = "disabled";
};
@@ -1653,6 +1655,7 @@ pcie2: pci@1c10000 {
pinctrl-names = "default";
pinctrl-0 = <&pcie2_default_state>;
+ dma-coherent;
status = "disabled";
};
