Messages in this thread | | | Date | Wed, 10 Sep 2014 11:21:30 +0800 | From | Shawn Guo <> | Subject | Re: [PATCH v1] ARM: dts: imx6dl: disable dma support for spi on i.mx6dl |
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On Wed, Sep 10, 2014 at 09:33:36AM +0800, Robin Gong wrote: > There is one weird data in rxfifo after one full rx/tx transfer > done sometimes. It looks a design issue and hard to workaround > totally, so disable dma functhion here. And will re-enable it > once the root cause found. > > Signed-off-by: Robin Gong <b38343@freescale.com> > --- > arch/arm/boot/dts/imx6dl.dtsi | 16 ++++++++++++++++ > 1 file changed, 16 insertions(+) > > diff --git a/arch/arm/boot/dts/imx6dl.dtsi b/arch/arm/boot/dts/imx6dl.dtsi > index b453e0e..e84a1ff 100644 > --- a/arch/arm/boot/dts/imx6dl.dtsi > +++ b/arch/arm/boot/dts/imx6dl.dtsi > @@ -102,6 +102,22 @@ > }; > }; > > +&ecspi1 { > + dma-names = "", ""; > +}; > + > +&ecspi2 { > + dma-names = "", ""; > +}; > + > +&ecspi3 { > + dma-names = "", ""; > +}; > + > +&ecspi4 { > + dma-names = "", ""; > +}; > +
This looks odd. Can we drop the dma properties from imx6qdl.dtsi, and only add them in imx6q.dtsi instead?
Shawn
> &hdmi { > compatible = "fsl,imx6dl-hdmi"; > }; > -- > 1.9.1 >
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