diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-02-27 13:37:45 +0100 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-03-11 16:17:54 +0100 |
| commit | cf9e2389482179db6bfab41512a9c0b722540be8 (patch) | |
| tree | cf68e30fec143ffbe6a2c81823e8ee8a43c21db2 /drivers/mtd | |
| parent | mtd: rawnand: marvell: Release DMA channel on error (diff) | |
| download | linux-cf9e2389482179db6bfab41512a9c0b722540be8.tar.xz linux-cf9e2389482179db6bfab41512a9c0b722540be8.zip | |
mtd: rawnand: marvell: Use dma_request_chan() instead dma_request_slave_channel()
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
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/marvell_nand.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c index f60d885f38bf..179f0ca585f8 100644 --- a/drivers/mtd/nand/raw/marvell_nand.c +++ b/drivers/mtd/nand/raw/marvell_nand.c @@ -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); |