From 16af080e47785d14919bf94bf8a4097c5c8529fb Mon Sep 17 00:00:00 2001 From: Tang Yuantian Date: Tue, 9 Aug 2016 09:51:22 +0800 Subject: ahci: qoriq: enable snoopable sata read and write By default the SATA IP on the qoriq SoCs does not generating coherent/snoopable transactions. This patch enable it in the sata axicc register. In addition, the dma-coherent property must be set on the SATA controller nodes. Signed-off-by: Tang Yuantian Signed-off-by: Tejun Heo --- arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 3 ++- arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) (limited to 'arch/arm64') diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi index e669fbd7f9c3..e8e4c3ed1b7e 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi @@ -495,10 +495,11 @@ }; sata: sata@3200000 { - compatible = "fsl,ls1043a-ahci", "fsl,ls1021a-ahci"; + compatible = "fsl,ls1043a-ahci"; reg = <0x0 0x3200000 0x0 0x10000>; interrupts = <0 69 0x4>; clocks = <&clockgen 4 0>; + dma-coherent; }; msi1: msi-controller1@1571000 { diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi index 21023a388c29..5ead17c05bb8 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi @@ -679,6 +679,7 @@ reg = <0x0 0x3200000 0x0 0x10000>; interrupts = <0 133 0x4>; /* Level high type */ clocks = <&clockgen 4 3>; + dma-coherent; }; sata1: sata@3210000 { @@ -687,6 +688,7 @@ reg = <0x0 0x3210000 0x0 0x10000>; interrupts = <0 136 0x4>; /* Level high type */ clocks = <&clockgen 4 3>; + dma-coherent; }; usb0: usb3@3100000 { -- cgit v1.2.3-59-g8ed1b