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authorMarek Szyprowski <m.szyprowski@samsung.com>2015-11-16 15:36:54 +0100
committerKrzysztof Kozlowski <k.kozlowski@samsung.com>2015-12-29 09:07:43 +0900
commite8d761b85e37bac136dc14e70bf871fd5fbf4443 (patch)
treef80bee7b1bb702c4be2584ccf3ade8170f8f43a2 /arch/arm/boot/dts
parent997a2ec0a4297c5c4c14e1b1a9b01e04a0273ba6 (diff)
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 <m.szyprowski@samsung.com> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Diffstat (limited to 'arch/arm/boot/dts')
-rw-r--r--arch/arm/boot/dts/exynos4210-universal_c210.dts8
1 files changed, 8 insertions, 0 deletions
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;
};