Re: [PATCH 09/11] dts: a3700: enable dma coherence for PCIE interface
From: Marcin Wojtas <hidden>
Date: 2021-02-05 09:54:21
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Hi Kosta, śr., 3 lut 2021 o 14:32 [off-list ref] napisał(a):
From: Stefan Chulski <redacted> Enavble PCIe dma coherence for A3700 platform
While at it, can we also add:
--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi@@ -71,6 +71,7 @@ soc { compatible = "simple-bus"; #address-cells = <2>; #size-cells = <2>; + dma-coherent; ranges; internal-regs@d0000000 {
so that to enable it for all bus-attached interfaces? This safe and will boost IO performance. Thanks, Marcin
quoted hunk ↗ jump to hunk
Signed-off-by: Stefan Chulski <redacted> Signed-off-by: Konstantin Porotchkin <redacted> --- arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 1 + 1 file changed, 1 insertion(+)diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi index d5b6c0a1c54a..5c0df06bc707 100644 --- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi@@ -486,6 +486,7 @@ #interrupt-cells = <1>; msi-parent = <&pcie0>; msi-controller; + dma-coherent; ranges = <0x82000000 0 0xe8000000 0 0xe8000000 0 0x1000000 /* Port 0 MEM */ 0x81000000 0 0xe9000000 0 0xe9000000 0 0x10000>; /* Port 0 IO*/ interrupt-map-mask = <0 0 0 7>; --2.17.1
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