diff mbox series

[v6,3/3] arm64: dts: qcom: sa8775p: Mark PCIe EP controller as cache coherent

Message ID 1709730673-6699-4-git-send-email-quic_msarkar@quicinc.com
State New
Headers show
Series arm64: qcom: sa8775p: add cache coherency support for SA8775P | expand

Commit Message

Mrinmay Sarkar March 6, 2024, 1:11 p.m. UTC 
The PCIe EP controller on SA8775P supports cache coherency, hence add
the "dma-coherent" property to mark it as such.

Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 arch/arm64/boot/dts/qcom/sa8775p.dtsi | 1 +
 1 file changed, 1 insertion(+)

Comments

Krzysztof Kozlowski March 6, 2024, 4:12 p.m. UTC | #1 
On 06/03/2024 14:11, Mrinmay Sarkar wrote:
> The PCIe EP controller on SA8775P supports cache coherency, hence add
> the "dma-coherent" property to mark it as such.
> 
> Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com>
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> ---

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index d9802027..53c31c7 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -3713,6 +3713,7 @@ 
 				<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_PCIE_0 0>;
 		interconnect-names = "pcie-mem", "cpu-pcie";
 
+		dma-coherent;
 		iommus = <&pcie_smmu 0x0000 0x7f>;
 		resets = <&gcc GCC_PCIE_0_BCR>;
 		reset-names = "core";