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usb: dwc2: hcd: fix build warning 

commit db62b9a804 (usb: dwc2: host: don't
use dma_alloc_coherent with irqs disabled)
introduced a build warning by using NULL
as an integer. Fix that by just using 0 instead
of NULL.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2015-05-08 13:30:12 -05:00
parent ffc1d299aa
commit 3521a399da
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/dwc2/hcd.c
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@ -749,7 +749,7 @@ static int dwc2_hc_setup_align_buf(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh,
chan->ep_is_in ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
if (dma_mapping_error(hsotg->dev, qh->dw_align_buf_dma)) {
dev_err(hsotg->dev, "can't map align_buf\n");
chan->align_buf = (dma_addr_t)NULL;
chan->align_buf = 0;
return -EINVAL;
}