On Wed, Jun 10, 2015 at 05:17:07PM +0900, Krzysztof Kozlowski wrote: > Some drivers implement only pause operation (no resuming). Example is > pl330 where pause is needed for getting residuum. pl330 does not support > resume operation, transfer must be stopped after pause. > > However for slaves this is exposed always as "pause and resume" which > introduces subtle errors on Odroid U3 board (Exynos4412 with pl330). > After adding pause function to pl330 driver the audio playback > (utilizing DMA) gets choppy after some time (approximately 24 hours). > > Fix this by exposing "cmd_pause" if and only if pause and resume are > implemented. > > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx> > Reported-by: gabriel@xxxxxxxxx > Reported-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> > Cc: <stable@xxxxxxxxxxxxxxx> > Fixes: 88987d2c7534 ("dmaengine: pl330: add DMA_PAUSE feature") Applied, thanks -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html