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@xxxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
