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