spi: spi-fsl-dspi: Use dma_request_chan() instead dma_request_slave_channel()

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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>

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Peter Ujfalusi 2019-12-12 15:55:48 +02:00 • committed by Mark Brown

parent 401abb764a

commit b5756b7774

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drivers/spi/spi-fsl-dspi.c

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