target/linux/ramips/patches-4.4/0069-awake-rt305x-dwc2-controller.patch

   1 --- a/drivers/usb/dwc2/platform.c
   2 +++ b/drivers/usb/dwc2/platform.c
   3 @@ -375,6 +375,12 @@ static int dwc2_driver_probe(struct plat
   4  dev_dbg(&dev->dev, "mapped PA %08lx to VA %p\n",
   5  (unsigned long)res->start, hsotg->regs);
   6
   7 + /* Enable USB port before any regs access */
   8 + if(dwc2_readl(hsotg->regs + PCGCTL) & 0x0f) {
   9 + dwc2_writel(0x00, hsotg->regs + PCGCTL);
  10 + /* TODO: mdelay(25) here? vendor driver don't use it */
  11 + }
  12 +
  13  hsotg->dr_mode = usb_get_dr_mode(&dev->dev);
  14  if (IS_ENABLED(CONFIG_USB_DWC2_HOST) &&
  15  hsotg->dr_mode != USB_DR_MODE_HOST) {