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Message-Id: <1698767186-5046-4-git-send-email-quic_msarkar@quicinc.com>
Date: Tue, 31 Oct 2023 21:16:26 +0530
From: Mrinmay Sarkar <quic_msarkar@...cinc.com>
To: agross@...nel.org, andersson@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
konrad.dybcio@...aro.org, mani@...nel.org, robh+dt@...nel.org
Cc: quic_shazhuss@...cinc.com, quic_nitegupt@...cinc.com,
quic_ramkri@...cinc.com, quic_nayiluri@...cinc.com,
dmitry.baryshkov@...aro.org, robh@...nel.org,
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quic_parass@...cinc.com, quic_schintav@...cinc.com,
quic_shijjose@...cinc.com,
Mrinmay Sarkar <quic_msarkar@...cinc.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof WilczyĆski <kw@...ux.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: [PATCH v1 3/3] arm64: dts: qcom: sa8775p: Mark PCIe controller as cache coherent
The PCIe controller on SA8775P supports cache coherency, hence add the
"dma-coherent" property to mark it as such.
Signed-off-by: Mrinmay Sarkar <quic_msarkar@...cinc.com>
---
arch/arm64/boot/dts/qcom/sa8775p.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 7eab458..7df941d 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -3620,6 +3620,8 @@
<&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";
--
2.7.4
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