From mboxrd@z Thu Jan 1 00:00:00 1970 From: peter.ujfalusi@ti.com (Peter Ujfalusi) Date: Mon, 14 Dec 2015 22:47:38 +0200 Subject: [PATCH V03 1/5] dmaengine: core: Skip mask matching when it is not provided to private_candidate In-Reply-To: <1450126062-8063-1-git-send-email-peter.ujfalusi@ti.com> References: <1450126062-8063-1-git-send-email-peter.ujfalusi@ti.com> Message-ID: <1450126062-8063-2-git-send-email-peter.ujfalusi@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org If mask is NULL skip the mask matching against the DMA device capabilities. Signed-off-by: Peter Ujfalusi Reviewed-by: Andy Shevchenko Reviewed-by: Arnd Bergmann --- drivers/dma/dmaengine.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index daf54a39bcc7..6311e1fc80be 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -515,7 +515,7 @@ static struct dma_chan *private_candidate(const dma_cap_mask_t *mask, { struct dma_chan *chan; - if (!__dma_device_satisfies_mask(dev, mask)) { + if (mask && !__dma_device_satisfies_mask(dev, mask)) { pr_debug("%s: wrong capabilities\n", __func__); return NULL; } -- 2.6.4