[PATCH] arm64: dts: marvell: mark CP110 ahci as dma-coherent
From: Mark Kettenis <hidden>
Date: 2018-03-31 14:44:06
Also in:
linux-devicetree
Subsystem:
arm/marvell kirkwood and armada 370, 375, 38x, 39x, xp, 3700, 7k/8k, cn9130 soc support, the rest · Maintainers:
Andrew Lunn, Gregory Clement, Sebastian Hesselbarth, Linus Torvalds
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 <redacted> --- 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