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usb: dwc2: Print error if unable to set DMA coherent mask 

We better print an error in case probing of dwc2 fails on
setting the DMA coherent mask.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Stefan Wahren 2018-02-12 21:20:08 +01:00 committed by Felipe Balbi
parent 3df0340810
commit 42c6a25235
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/dwc2/platform.c
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@ -382,8 +382,10 @@ static int dwc2_driver_probe(struct platform_device *dev)
if (!dev->dev.dma_mask)
dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
retval = dma_set_coherent_mask(&dev->dev, DMA_BIT_MASK(32));
if (retval)
if (retval) {
dev_err(&dev->dev, "can't set coherent DMA mask: %d\n", retval);
return retval;
}
res = platform_get_resource(dev, IORESOURCE_MEM, 0);
hsotg->regs = devm_ioremap_resource(&dev->dev, res);