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.
Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
---
drivers/dma/pl330.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index a562d24..df8b10f 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2903,6 +2903,10 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
pdat = dev_get_platdata(&adev->dev);
+ ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32));
+ if (ret)
+ return ret;
+
/* Allocate a new DMAC and its Channels */
pdmac = devm_kzalloc(&adev->dev, sizeof(*pdmac), GFP_KERNEL);
if (!pdmac) {
--
1.7.4.4
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