ping :)
2015-06-16 19:19 GMT+02:00 Romain Perier <[email protected]>: > This enable DMA capability for the corresponding UART interfaces, also it > removes > warning "ttyS%d - Failed to request dma" from kernel logs. > > Signed-off-by: Romain Perier <[email protected]> > --- > > Changes since v1 ("[PATCH] ARM: dts: rockchip: Add dmac_bus rx and tx for > uart2"): > - Add DMA tx and rx channels for all UART interfaces > - Rename commit summary > > arch/arm/boot/dts/rk3288.dtsi | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi > index 22316d0..1996452 100644 > --- a/arch/arm/boot/dts/rk3288.dtsi > +++ b/arch/arm/boot/dts/rk3288.dtsi > @@ -359,6 +359,8 @@ > clock-names = "baudclk", "apb_pclk"; > pinctrl-names = "default"; > pinctrl-0 = <&uart0_xfer>; > + dmas = <&dmac_peri 1>, <&dmac_peri 2>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > @@ -372,6 +374,8 @@ > clock-names = "baudclk", "apb_pclk"; > pinctrl-names = "default"; > pinctrl-0 = <&uart1_xfer>; > + dmas = <&dmac_peri 3>, <&dmac_peri 4>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > @@ -385,6 +389,8 @@ > clock-names = "baudclk", "apb_pclk"; > pinctrl-names = "default"; > pinctrl-0 = <&uart2_xfer>; > + dmas = <&dmac_bus_s 4>, <&dmac_bus_s 5>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > @@ -398,6 +404,8 @@ > clock-names = "baudclk", "apb_pclk"; > pinctrl-names = "default"; > pinctrl-0 = <&uart3_xfer>; > + dmas = <&dmac_peri 7>, <&dmac_peri 8>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > @@ -411,6 +419,8 @@ > clock-names = "baudclk", "apb_pclk"; > pinctrl-names = "default"; > pinctrl-0 = <&uart4_xfer>; > + dmas = <&dmac_peri 9>, <&dmac_peri 10>; > + dma-names = "tx", "rx"; > status = "disabled"; > }; > > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in
