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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>
hifive-unleashed-5.1
Aaro Koskinen 2018-12-05 00:19:26 +02:00 committed by Greg Kroah-Hartman
parent c38465d079
commit b5630e3019
1 changed files with 4 additions and 2 deletions
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6
drivers/staging/octeon-usb/octeon-hcd.c
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@ -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