Messages in this thread Patch in this message | | | From | Franklin S Cooper Jr <> | Subject | [PATCH 1/2] mtd: nand: omap2: Support parsing dma channel information from DT | Date | Tue, 3 May 2016 12:50:05 -0500 |
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From: "Cooper Jr., Franklin" <fcooper@ti.com>
Switch from dma_request_channel to allow passing dma channel information from DT rather than hardcoding a value.
Also provide a handle to the GPMC's dev so it can be used to parse the DMA channel information within the GPMC's DT node.
Signed-off-by: Franklin S Cooper Jr <fcooper@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 08e1588..f864369 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -1922,7 +1922,9 @@ 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; -- 2.7.0
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