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mtd: rawnand: marvell: Use dma_request_chan() instead dma_request_slave_channel()

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dma_request_slave_channel() is a wrapper on top of dma_request_chan()
eating up the error code.

Use using dma_request_chan() directly to return the real error code.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200227123749.24064-4-peter.ujfalusi@ti.com
This commit is contained in:
Peter Ujfalusi 2020-02-27 14:37:45 +02:00 committed by Miquel Raynal
parent aafe30baf4
commit cf9e238948
1 changed files with 8 additions and 5 deletions
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13
drivers/mtd/nand/raw/marvell_nand.c
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@ -2743,11 +2743,14 @@ static int marvell_nfc_init_dma(struct marvell_nfc *nfc)
if (ret)
return ret;
nfc->dma_chan = dma_request_slave_channel(nfc->dev, "data");
if (!nfc->dma_chan) {
dev_err(nfc->dev,
"Unable to request data DMA channel\n");
return -ENODEV;
nfc->dma_chan = dma_request_chan(nfc->dev, "data");
if (IS_ERR(nfc->dma_chan)) {
ret = PTR_ERR(nfc->dma_chan);
nfc->dma_chan = NULL;
if (ret != -EPROBE_DEFER)
dev_err(nfc->dev, "DMA channel request failed: %d\n",
ret);
return ret;
}
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);