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usb: xhci-mtk: use dma_set_mask_and_coherent() in probe function 

This patch uses the simpler dma_set_mask_and_coherent() instead of
doing these as separate steps

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun 2017-10-13 16:26:33 +08:00 committed by Greg Kroah-Hartman
parent f2d13b02cd
commit da087419c0
1 changed files with 1 additions and 6 deletions
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7
drivers/usb/host/xhci-mtk.c
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@ -606,15 +606,10 @@ static int xhci_mtk_probe(struct platform_device *pdev)
}
/* Initialize dma_mask and coherent_dma_mask to 32-bits */
ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
if (ret)
goto disable_clk;
if (!dev->dma_mask)
dev->dma_mask = &dev->coherent_dma_mask;
else
dma_set_mask(dev, DMA_BIT_MASK(32));
hcd = usb_create_hcd(driver, dev, dev_name(dev));
if (!hcd) {
ret = -ENOMEM;