Hi Marek, On Thu, Dec 29, 2016 at 01:19:31PM +0100, Marek Szyprowski wrote: > Requesting a DMA channel might be a time consuming operation, so there is > no need to acquire and release DMA channel for each SPI transfer. > DMA channels can be requested during driver probe and kept all the time, > also because there are no shared nor dynamically allocated channels on > Samsung S3C/S5P/Exynos platforms. > > While moving dma_requrest_slave_channel calls, lets switch to > dma_request_slave_channel_reason(), which returns error codes on failure, > which can be properly propagated to the caller (this for example defers > SPI probe when DMA controller is not yet available). > > Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> Thanks! Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxxx> Tested-by: Andi Shyti <andi.shyti@xxxxxxxxxxx> Andi -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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