diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2019-12-17 14:30:04 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2019-12-19 10:19:42 +0300 |
| commit | e1ebb456ae4cd86553c4a28bcf2c3cc7593dc60f (patch) | |
| tree | 9ebaca707df3d5184f1892078ef1e94048bef920 /drivers/mmc | |
| parent | 2e2d12e110b74f689b516619b0c240c9fd57127d (diff) | |
| download | linux-e1ebb456ae4cd86553c4a28bcf2c3cc7593dc60f.tar.xz | |
mmc: pxamci: 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/20191217113004.31688-1-peter.ujfalusi@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/pxamci.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index d38982abd26d..3a9333475a2b 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -710,17 +710,19 @@ static int pxamci_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mmc); - host->dma_chan_rx = dma_request_slave_channel(dev, "rx"); - if (host->dma_chan_rx == NULL) { + host->dma_chan_rx = dma_request_chan(dev, "rx"); + if (IS_ERR(host->dma_chan_rx)) { dev_err(dev, "unable to request rx dma channel\n"); - ret = -ENODEV; + ret = PTR_ERR(host->dma_chan_rx); + host->dma_chan_rx = NULL; goto out; } - host->dma_chan_tx = dma_request_slave_channel(dev, "tx"); - if (host->dma_chan_tx == NULL) { + host->dma_chan_tx = dma_request_chan(dev, "tx"); + if (IS_ERR(host->dma_chan_tx)) { dev_err(dev, "unable to request tx dma channel\n"); - ret = -ENODEV; + ret = PTR_ERR(host->dma_chan_tx); + host->dma_chan_tx = NULL; goto out; } |