OpenWrt – Rev 4

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--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -406,6 +406,12 @@ static int dwc2_driver_probe(struct plat
        if (retval)
                return retval;
 
+       /* Enable USB port before any regs access */
+       if (dwc2_readl(hsotg->regs + PCGCTL) & 0x0f) {
+               dwc2_writel(0x00, hsotg->regs + PCGCTL);
+               /* TODO: mdelay(25) here? vendor driver don't use it */
+       }
+
        retval = dwc2_get_dr_mode(hsotg);
        if (retval)
                goto error;