From e8d761b85e37bac136dc14e70bf871fd5fbf4443 Mon Sep 17 00:00:00 2001 From: Marek Szyprowski Date: Mon, 16 Nov 2015 15:36:54 +0100 Subject: ARM: dts: exynos4210-universal_c210: Disable DMA for UARTs PDMA for UART devices seems not to be working properly on Exynos 4210 revision 0 used in Universal C210 boards, so disable it to let one to use UART devices (driver defaults to PIO mode if DMA is not present). Signed-off-by: Marek Szyprowski Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/exynos4210-universal_c210.dts | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'arch/arm/boot') diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts index 81b7ec7b3e31..4f5d37920c8d 100644 --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts @@ -560,16 +560,24 @@ &serial_0 { status = "okay"; + /delete-property/dmas; + /delete-property/dma-names; }; &serial_1 { status = "okay"; + /delete-property/dmas; + /delete-property/dma-names; }; &serial_2 { status = "okay"; + /delete-property/dmas; + /delete-property/dma-names; }; &serial_3 { status = "okay"; + /delete-property/dmas; + /delete-property/dma-names; }; -- cgit v1.2.3