diff options
| author |   Peter Ujfalusi <peter.ujfalusi@ti.com> | 2019-12-17 13:28:47 +0200 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2019-12-19 08:19:42 +0100 |
| commit | 972a2dd62680229f9763ae9d274bfb3e9a445ab9 (patch) | |
| tree | c7783ba7b80850f945c4a6b57b2918979f63b527 /drivers/mmc | |
| parent | mmc: mxcmmc: Use dma_request_chan() instead dma_request_slave_channel() (diff) | |
| download | wireguard-linux-972a2dd62680229f9763ae9d274bfb3e9a445ab9.tar.xz wireguard-linux-972a2dd62680229f9763ae9d274bfb3e9a445ab9.zip | |
mmc: mxs: 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.
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/20191217112847.31351-1-peter.ujfalusi@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/mxs-mmc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index 4031217d21c3..d82674aed447 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -623,11 +623,11 @@ static int mxs_mmc_probe(struct platform_device *pdev) goto out_clk_disable; } - 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(mmc_dev(host->mmc), "%s: failed to request dma\n", __func__); - ret = -ENODEV; + ret = PTR_ERR(ssp->dmach); goto out_clk_disable; } |