DMA-API: dma: pl08x: add dma_set_mask_and_coherent() call
The DMA API requires drivers to call the appropriate dma_set_mask()
functions before doing any DMA mapping. Add this required call to
the AMBA PL08x driver.
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index fce46c5..e51a983 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -2055,6 +2055,11 @@
if (ret)
return ret;
+ /* Ensure that we can do DMA */
+ ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32));
+ if (ret)
+ goto out_no_pl08x;
+
/* Create the driver state holder */
pl08x = kzalloc(sizeof(*pl08x), GFP_KERNEL);
if (!pl08x) {