diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2019-12-17 14:29:34 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2019-12-19 10:19:42 +0300 |
| commit | 2e2d12e110b74f689b516619b0c240c9fd57127d (patch) | |
| tree | 497eed395d966a5e964ac77f5b27c8a9f513fb1a /drivers/mmc/host/owl-mmc.c | |
| parent | 972a2dd62680229f9763ae9d274bfb3e9a445ab9 (diff) | |
| download | linux-2e2d12e110b74f689b516619b0c240c9fd57127d.tar.xz | |
mmc: owl-mmc: 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/20191217112934.31535-1-peter.ujfalusi@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/owl-mmc.c')
| -rw-r--r-- | drivers/mmc/host/owl-mmc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/mmc/host/owl-mmc.c b/drivers/mmc/host/owl-mmc.c index 771e3d00f1bb..01ffe51f413d 100644 --- a/drivers/mmc/host/owl-mmc.c +++ b/drivers/mmc/host/owl-mmc.c @@ -616,10 +616,10 @@ static int owl_mmc_probe(struct platform_device *pdev) pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; - owl_host->dma = dma_request_slave_channel(&pdev->dev, "mmc"); - if (!owl_host->dma) { + owl_host->dma = dma_request_chan(&pdev->dev, "mmc"); + if (IS_ERR(owl_host->dma)) { dev_err(owl_host->dev, "Failed to get external DMA channel.\n"); - ret = -ENXIO; + ret = PTR_ERR(owl_host->dma); goto err_free_host; } |