usb: gadget: udc-core: copy dma-related parameters from parent
authorFelipe Balbi <balbi@ti.com>
Tue, 26 Feb 2013 08:50:42 +0000 (10:50 +0200)
committerFelipe Balbi <balbi@ti.com>
Mon, 18 Mar 2013 09:17:17 +0000 (11:17 +0200)
gadget's device pointer now is guaranteed to
have valid dma_mask, dma_parms and coherent_dma_mask
fields since we're always copying from our
parent device.

Signed-off-by: Felipe Balbi <balbi@ti.com>
drivers/usb/gadget/udc-core.c

index 8a1eeb24ae6a13ad7d98bfe5287b37f2b2fd20fd..3e19a016c197cc167b5348520c7819b726e0de33 100644 (file)
@@ -185,6 +185,10 @@ int usb_add_gadget_udc(struct device *parent, struct usb_gadget *gadget)
 
        dev_set_name(&gadget->dev, "gadget");
 
+       dma_set_coherent_mask(&gadget->dev, parent->coherent_dma_mask);
+       gadget->dev.dma_parms = parent->dma_parms;
+       gadget->dev.dma_mask = parent->dma_mask;
+
        ret = device_register(&gadget->dev);
        if (ret)
                goto err2;