Messages in this thread Patch in this message | | | From | Stefan Wahren <> | Subject | [PATCH] usb: dwc2: Print error if unable to set DMA coherent mask | Date | Mon, 12 Feb 2018 21:20:08 +0100 |
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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> --- drivers/usb/dwc2/platform.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 4703478..4ddbdbd 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -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); -- 2.7.4
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