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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2019-12-12 15:55:48 +0200
committerMark Brown <broonie@kernel.org>2019-12-16 11:57:46 +0000
commitb5756b777472eceaa84bc180f458f8eaec65da9a (patch)
tree5d20c3f9698cdf71f011f9d2fb0acac4dcfc61dc /drivers/spi
parent401abb764abb6e42f539528e02127457eb0c5b32 (diff)
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spi: spi-fsl-dspi: 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/20191212135550.4634-8-peter.ujfalusi@ti.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-fsl-dspi.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 442cff71a0d2..52ccd8397c35 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -395,17 +395,17 @@ static int dspi_request_dma(struct fsl_dspi *dspi, phys_addr_t phy_addr)
if (!dma)
return -ENOMEM;
- dma->chan_rx = dma_request_slave_channel(dev, "rx");
- if (!dma->chan_rx) {
+ dma->chan_rx = dma_request_chan(dev, "rx");
+ if (IS_ERR(dma->chan_rx)) {
dev_err(dev, "rx dma channel not available\n");
- ret = -ENODEV;
+ ret = PTR_ERR(dma->chan_rx);
return ret;
}
- dma->chan_tx = dma_request_slave_channel(dev, "tx");
- if (!dma->chan_tx) {
+ dma->chan_tx = dma_request_chan(dev, "tx");
+ if (IS_ERR(dma->chan_tx)) {
dev_err(dev, "tx dma channel not available\n");
- ret = -ENODEV;
+ ret = PTR_ERR(dma->chan_tx);
goto err_tx_channel;
}