diff options
| author |   Peter Ujfalusi <peter.ujfalusi@ti.com> | 2019-12-12 15:55:47 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2019-12-16 11:57:36 +0000 |
| commit | 401abb764abb6e42f539528e02127457eb0c5b32 (patch) | |
| tree | 20c18747224ccddc4a73a8af209aac9aa1a28421 /drivers/spi | |
| parent | spi: mxs: Use dma_request_chan() instead dma_request_slave_channel() (diff) | |
| download | linux-dev-401abb764abb6e42f539528e02127457eb0c5b32.tar.xz linux-dev-401abb764abb6e42f539528e02127457eb0c5b32.zip | |
spi: sirf: 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/20191212135550.4634-7-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-sirf.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c index e1e639191557..8419e6722e17 100644 --- a/drivers/spi/spi-sirf.c +++ b/drivers/spi/spi-sirf.c @@ -1126,16 +1126,16 @@ static int spi_sirfsoc_probe(struct platform_device *pdev) sspi->bitbang.master->dev.of_node = pdev->dev.of_node; /* request DMA channels */ - sspi->rx_chan = dma_request_slave_channel(&pdev->dev, "rx"); - if (!sspi->rx_chan) { + sspi->rx_chan = dma_request_chan(&pdev->dev, "rx"); + if (IS_ERR(sspi->rx_chan)) { dev_err(&pdev->dev, "can not allocate rx dma channel\n"); - ret = -ENODEV; + ret = PTR_ERR(sspi->rx_chan); goto free_master; } - sspi->tx_chan = dma_request_slave_channel(&pdev->dev, "tx"); - if (!sspi->tx_chan) { + sspi->tx_chan = dma_request_chan(&pdev->dev, "tx"); + if (IS_ERR(sspi->tx_chan)) { dev_err(&pdev->dev, "can not allocate tx dma channel\n"); - ret = -ENODEV; + ret = PTR_ERR(sspi->tx_chan); goto free_rx_dma; } |