[PATCH 1/5] mtd: nand: omap2: Support parsing dma channel information from DT

Roger Quadros rogerq at ti.com
Wed Oct 14 04:36:47 PDT 2015


On 13/10/15 04:38, Franklin S Cooper Jr wrote:
> Switch from dma_request_channel to allow passing dma channel
> information from DT rather than hardcoding a value.
> 
> Signed-off-by: Franklin S Cooper Jr <fcooper at ti.com>

Acked-by: Roger Quadros <rogerq at ti.com>

> ---
>  drivers/mtd/nand/omap2.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
> index d0f2620..957c32f 100644
> --- a/drivers/mtd/nand/omap2.c
> +++ b/drivers/mtd/nand/omap2.c
> @@ -1866,7 +1866,9 @@ static int omap_nand_probe(struct platform_device *pdev)
>  		dma_cap_zero(mask);
>  		dma_cap_set(DMA_SLAVE, mask);
>  		sig = OMAP24XX_DMA_GPMC;
> -		info->dma = dma_request_channel(mask, omap_dma_filter_fn, &sig);
> +		info->dma = dma_request_slave_channel_compat(mask,
> +			omap_dma_filter_fn, &sig, pdev->dev.parent, "rxtx");
> +
>  		if (!info->dma) {
>  			dev_err(&pdev->dev, "DMA engine request failed\n");
>  			err = -ENXIO;
> 

cheers,
-roger



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