openwrt/target/linux/ramips/patches-6.6/850-awake-rt305x-dwc2-contr...

16 lines
459 B
Diff

--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -481,6 +481,12 @@ static int dwc2_driver_probe(struct plat
if (retval)
return retval;
+ /* Enable USB port before any regs access */
+ if (readl(hsotg->regs + PCGCTL) & 0x0f) {
+ writel(0x00, hsotg->regs + PCGCTL);
+ /* TODO: mdelay(25) here? vendor driver don't use it */
+ }
+
hsotg->needs_byte_swap = dwc2_check_core_endianness(hsotg);
retval = dwc2_get_dr_mode(hsotg);