blob: 19c8ec877ee5da4e88dda19a26522ec18668c337 (
plain)
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--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -477,6 +477,12 @@ 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);
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