spi: spi-fsl-dspi: Use dma_request_chan() instead dma_request_slave_channel()
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Thu, 12 Dec 2019 13:55:48 +0000 (15:55 +0200)
committerMark Brown <broonie@kernel.org>
Mon, 16 Dec 2019 11:57:46 +0000 (11:57 +0000)
commitb5756b777472eceaa84bc180f458f8eaec65da9a
tree5d20c3f9698cdf71f011f9d2fb0acac4dcfc61dc
parent401abb764abb6e42f539528e02127457eb0c5b32
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>
drivers/spi/spi-fsl-dspi.c