[PATCH] mmc: mxcmmc: DT support

Anatolij Gustschin agust at denx.de
Fri Mar 15 02:50:48 EST 2013


On Mon, 25 Feb 2013 19:28:05 +0100
Markus Pargmann <mpa at pengutronix.de> wrote:

> Adding devicetree support for imx21-mmc and imx31-mmc. Based on generic
> gpio helper functions by Guennadi and generic DMA devicetree bindings.
> 
> Signed-off-by: Markus Pargmann <mpa at pengutronix.de>
> ---
>  .../devicetree/bindings/mmc/fsl-imx-mmc.txt        | 24 +++++++
>  drivers/mmc/host/mxcmmc.c                          | 80 +++++++++++++++++-----
>  2 files changed, 86 insertions(+), 18 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt
> 
> diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt b/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt
> new file mode 100644
> index 0000000..a5ab662
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-mmc.txt
> @@ -0,0 +1,24 @@
> +* Freescale Secure Digital Host Controller for i.MX1/2 series

shouldn't it be "... for i.MX2/3 series"?

...
> +	if (!host->pdata) {
> +		host->dma = of_dma_request_slave_channel(pdev->dev.of_node,
> +				"rx-tx");

please use dma_request_slave_channel(&pdev->dev, "rx-tx")
here. of_dma_request_slave_channel() is not exported for
modules, building the driver as a module will fail.

Thanks,

Anatolij


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