Use a helper function to set the DMA mask.
Signed-off-by: Aaro Koskinen <aaro.koski...@iki.fi>
---
drivers/staging/octeon-usb/octeon-hcd.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/octeon-usb/octeon-hcd.c
b/drivers/staging/octeon-usb/octeon-hcd.c
index 9c766f5b812f..14982b6472a0 100644
--- a/drivers/staging/octeon-usb/octeon-hcd.c
+++ b/drivers/staging/octeon-usb/octeon-hcd.c
@@ -50,6 +50,7 @@
#include <linux/module.h>
#include <linux/usb/hcd.h>
#include <linux/prefetch.h>
+#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <asm/octeon/octeon.h>
@@ -3606,8 +3607,9 @@ static int octeon_usb_probe(struct platform_device *pdev)
* Set the DMA mask to 64bits so we get buffers already translated for
* DMA.
*/
- dev->coherent_dma_mask = ~0;
- dev->dma_mask = &dev->coherent_dma_mask;
+ i = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(64));
+ if (i)
+ return i;
/*
* Only cn52XX and cn56XX have DWC_OTG USB hardware and the
--
2.17.0
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