If mask is NULL skip the mask matching against the DMA device capabilities.
Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
Reviewed-by: Andy Shevchenko <andy.shevche...@gmail.com>
Reviewed-by: Arnd Bergmann <a...@arndb.de>
---
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
--
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