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From: Mrinmay Sarkar <quic_msarkar@quicinc.com>
To: agross@kernel.org, andersson@kernel.org,
krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
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Subject: [PATCH v3 3/3] arm64: dts: qcom: sa8775p: Mark PCIe controller as
cache coherent
Date: Wed, 15 Nov 2023 18:07:01 +0530
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| Series |
arm64: qcom: sa8775p: add cache coherency support for SA8775P
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Commit Message
Mrinmay Sarkar
Nov. 15, 2023, 12:37 p.m. UTC
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@quicinc.com>
---
arch/arm64/boot/dts/qcom/sa8775p.dtsi | 1 +
1 file changed, 1 insertion(+)
Comments
On Wed, Nov 15, 2023 at 06:07:01PM +0530, Mrinmay Sarkar wrote: > The PCIe controller on SA8775P supports cache coherency, hence add the "PCIe RC controller" both in subject and description. > "dma-coherent" property to mark it as such. > > Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com> With that, Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> - Mani > --- > arch/arm64/boot/dts/qcom/sa8775p.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi > index 7eab458..ab01efe 100644 > --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi > +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi > @@ -3620,6 +3620,7 @@ > <&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"; > -- > 2.7.4 >
On 11/17/2023 2:36 PM, Manivannan Sadhasivam wrote: > On Wed, Nov 15, 2023 at 06:07:01PM +0530, Mrinmay Sarkar wrote: >> The PCIe controller on SA8775P supports cache coherency, hence add the > "PCIe RC controller" both in subject and description. This is for EP so will make as "PCIe EP controller" --Mrinmay >> "dma-coherent" property to mark it as such. >> >> Signed-off-by: Mrinmay Sarkar <quic_msarkar@quicinc.com> > With that, > > Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> > > - Mani > >> --- >> arch/arm64/boot/dts/qcom/sa8775p.dtsi | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi >> index 7eab458..ab01efe 100644 >> --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi >> +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi >> @@ -3620,6 +3620,7 @@ >> <&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"; >> -- >> 2.7.4 >>
diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi index 7eab458..ab01efe 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi @@ -3620,6 +3620,7 @@ <&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";