spi: stm32-qspi: Use dma_request_chan() instead dma_request_slave_channel()
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Thu, 12 Dec 2019 13:55:49 +0000 (15:55 +0200)
committerMark Brown <broonie@kernel.org>
Mon, 16 Dec 2019 11:58:08 +0000 (11:58 +0000)
commit658606ff4cf680ca97380f6ed7295722b0e991b2
tree2d2f192861894a4368e5d0072f233a7ded68585e
parentb5756b777472eceaa84bc180f458f8eaec65da9a
spi: stm32-qspi: 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/20191212135550.4634-9-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-stm32-qspi.c