[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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