Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-11 06:31:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

spi: mxs: Use dma_request_chan() instead dma_request_slave_channel()

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

By using dma_request_chan() directly the driver can support deferred
probing against DMA.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20191212135550.4634-6-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2019-12-12 15:55:46 +02:00 committed by Mark Brown
parent 6bfbf4d0aa
commit 7ccffd41b2
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/spi/spi-mxs.c
View File

@ -590,10 +590,10 @@ static int mxs_spi_probe(struct platform_device *pdev)
if (ret)
goto out_master_free;
ssp->dmach = dma_request_slave_channel(&pdev->dev, "rx-tx");
if (!ssp->dmach) {
ssp->dmach = dma_request_chan(&pdev->dev, "rx-tx");
if (IS_ERR(ssp->dmach)) {
dev_err(ssp->dev, "Failed to request DMA\n");
ret = -ENODEV;
ret = PTR_ERR(ssp->dmach);
goto out_master_free;
}