[PATCH] arm64: dts: marvell: mark CP110 ahci as dma-coherent
Mark Kettenis
kettenis at openbsd.org
Sat Mar 31 07:44:06 PDT 2018
The hardware is clearly DMA coherent and not marking it as such leads
to cache coherency problems, at least with the OpenBSD kernel.
Signed-off-by: Mark Kettenis <kettenis at openbsd.org>
---
arch/arm64/boot/dts/marvell/armada-cp110.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/marvell/armada-cp110.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110.dtsi
index a8af4136dbe7..7e9177ef7b7d 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp110.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp110.dtsi
@@ -231,6 +231,7 @@
compatible = "marvell,armada-8k-ahci",
"generic-ahci";
reg = <0x540000 0x30000>;
+ dma-coherent;
interrupts = <ICU_GRP_NSR 107 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&CP110_LABEL(clk) 1 15>;
status = "disabled";
--
2.16.2
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