| Message ID | 1424347672-25075-1-git-send-email-s.trumtrar@pengutronix.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, 19 Feb 2015, Steffen Trumtrar wrote: > socfpga.dtsi is missing the DMA channels for the uart nodes. > This will produce the following errors: > > of_dma_request_slave_channel: dma-names property of node '/soc/serial0@ffc02000' missing or empty > ttyS0 - failed to request DMA > > Provide the correct DMA channels to fix this. > > Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> > --- > arch/arm/boot/dts/socfpga.dtsi | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi > index 252c3d1bda50..9d8760956752 100644 > --- a/arch/arm/boot/dts/socfpga.dtsi > +++ b/arch/arm/boot/dts/socfpga.dtsi > @@ -713,6 +713,9 @@ > reg-shift = <2>; > reg-io-width = <4>; > clocks = <&l4_sp_clk>; > + dmas = <&pdma 28>, > + <&pdma 29>; > + dma-names = "tx", "rx"; > }; > > uart1: serial1@ffc03000 { > @@ -722,6 +725,9 @@ > reg-shift = <2>; > reg-io-width = <4>; > clocks = <&l4_sp_clk>; > + dmas = <&pdma 30>, > + <&pdma 31>; > + dma-names = "tx", "rx"; > }; > > rst: rstmgr@ffd05000 { > -- > 2.1.4 > > Applied to fixes. BR, Dinh
diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi index 252c3d1bda50..9d8760956752 100644 --- a/arch/arm/boot/dts/socfpga.dtsi +++ b/arch/arm/boot/dts/socfpga.dtsi @@ -713,6 +713,9 @@ reg-shift = <2>; reg-io-width = <4>; clocks = <&l4_sp_clk>; + dmas = <&pdma 28>, + <&pdma 29>; + dma-names = "tx", "rx"; }; uart1: serial1@ffc03000 { @@ -722,6 +725,9 @@ reg-shift = <2>; reg-io-width = <4>; clocks = <&l4_sp_clk>; + dmas = <&pdma 30>, + <&pdma 31>; + dma-names = "tx", "rx"; }; rst: rstmgr@ffd05000 {
socfpga.dtsi is missing the DMA channels for the uart nodes. This will produce the following errors: of_dma_request_slave_channel: dma-names property of node '/soc/serial0@ffc02000' missing or empty ttyS0 - failed to request DMA Provide the correct DMA channels to fix this. Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> --- arch/arm/boot/dts/socfpga.dtsi | 6 ++++++ 1 file changed, 6 insertions(+)