From: Felipe Balbi Date: Tue, 26 Feb 2013 08:50:42 +0000 (+0200) Subject: usb: gadget: udc-core: copy dma-related parameters from parent X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=658c8cf14dce1093e9f810f7e04a711ed79da6bd;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git usb: gadget: udc-core: copy dma-related parameters from parent 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 --- diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c index 8a1eeb24ae6a..3e19a016c197 100644 --- a/drivers/usb/gadget/udc-core.c +++ b/drivers/usb/gadget/udc-core.c @@ -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;