diff options
| author | Aaro Koskinen <aaro.koskinen@iki.fi> | 2018-12-05 00:19:26 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-05 09:47:02 +0100 |
| commit | b5630e3019b6ddad12aafdbb7b44114690f0a679 (patch) | |
| tree | 20073f314e72cf96533bfc8bce934c74600471f2 /drivers/staging/octeon-usb | |
| parent | c38465d07972a3bc6d83a5bdb460ed69fee028b2 (diff) | |
staging: octeon-usb: use a helper function to set the DMA mask
Use a helper function to set the DMA mask.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/octeon-usb')
| -rw-r--r-- | drivers/staging/octeon-usb/octeon-hcd.c | 6 |
1 files 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 |