dmaengine: dma_request_chan_by_mask() to handle deferred probing
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Wed, 18 Jul 2018 09:29:57 +0000 (12:29 +0300)
committerVinod Koul <vkoul@kernel.org>
Wed, 25 Jul 2018 12:34:15 +0000 (18:04 +0530)
commitec8ca8e3b4809bf603814a8834bfd3891e1ccf74
tree61915f2e9f279563d3ff212c8ee4dbdef5edf017
parentd8095f94e19581057bcad35b8a725aa739e77595
dmaengine: dma_request_chan_by_mask() to handle deferred probing

If there are no DMA devices registered yet, return with EPROBE_DEFER
similarly to the case when requesting a slave channel.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/dmaengine.c