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@xxxxxxxxxxx>
---
arch/arm/boot/dts/exynos4210-universal_c210.dts | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
index 81b7ec7..4f5d379 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;
};
--
1.9.2
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