ARM: dts: exynos4210-universal_c210: Disable DMA for UARTs
authorMarek Szyprowski <m.szyprowski@samsung.com>
Mon, 16 Nov 2015 14:36:54 +0000 (15:36 +0100)
committerKrzysztof Kozlowski <k.kozlowski@samsung.com>
Tue, 29 Dec 2015 00:07:43 +0000 (09:07 +0900)
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 <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
arch/arm/boot/dts/exynos4210-universal_c210.dts

index 81b7ec7b3e3178e6bd81c91eb561790b17b4659f..4f5d37920c8db0375fd3a8c09c8c093987037484 100644 (file)
 
 &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;
 };