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 <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
