From 42c6a25235677ad3568af080b0569e05a9f849fc Mon Sep 17 00:00:00 2001 From: Stefan Wahren Date: Mon, 12 Feb 2018 21:20:08 +0100 Subject: [PATCH] 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 Signed-off-by: Felipe Balbi --- 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 9f39b15e7605..65e1af5e491a 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); -- 2.45.2