*dma_mask* is not set for devices created from dt data. So filled dma_mask for dwc3_omap device here. And dwc3 core will copy the dma_mask from its parent. Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx> --- drivers/usb/dwc3/core.c | 4 ++++ drivers/usb/dwc3/dwc3-omap.c | 3 +++ 2 files changed, 7 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 66c0572..c845e70 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -454,6 +454,10 @@ static int dwc3_probe(struct platform_device *pdev) dwc->regs_size = resource_size(res); dwc->dev = dev; + dev->dma_mask = dev->parent->dma_mask; + dev->dma_parms = dev->parent->dma_parms; + dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask); + if (!strncmp("super", maximum_speed, 5)) dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; else if (!strncmp("high", maximum_speed, 4)) diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 35b9673..546f1fd 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -277,6 +277,8 @@ static void dwc3_omap_disable_irqs(struct dwc3_omap *omap) dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_SET_0, 0x00); } +static u64 dwc3_omap_dma_mask = DMA_BIT_MASK(32); + static int dwc3_omap_probe(struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; @@ -330,6 +332,7 @@ static int dwc3_omap_probe(struct platform_device *pdev) omap->dev = dev; omap->irq = irq; omap->base = base; + dev->dma_mask = &dwc3_omap_dma_mask; /* * REVISIT if we ever have two instances of the wrapper, we will be -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html