ep0out_buf 2909 drivers/usb/gadget/udc/pch_udc.c void *ep0out_buf; ep0out_buf 2952 drivers/usb/gadget/udc/pch_udc.c ep0out_buf = devm_kzalloc(&dev->pdev->dev, UDC_EP0OUT_BUFF_SIZE * 4, ep0out_buf 2954 drivers/usb/gadget/udc/pch_udc.c if (!ep0out_buf) ep0out_buf 2956 drivers/usb/gadget/udc/pch_udc.c dev->dma_addr = dma_map_single(&dev->pdev->dev, ep0out_buf,