2020-03-01 09:01:09 +00:00
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--- a/drivers/usb/dwc2/platform.c
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+++ b/drivers/usb/dwc2/platform.c
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2020-03-01 09:06:45 +00:00
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@@ -432,6 +432,12 @@ static int dwc2_driver_probe(struct plat
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hsotg->needs_byte_swap = dwc2_check_core_endianness(hsotg);
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2020-03-01 09:01:09 +00:00
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+ /* Enable USB port before any regs access */
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2020-03-01 09:06:45 +00:00
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+ if (dwc2_readl(hsotg, PCGCTL) & 0x0f) {
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+ dwc2_writel(0x00, hsotg, PCGCTL);
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2020-03-01 09:01:09 +00:00
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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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retval = dwc2_get_dr_mode(hsotg);
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if (retval)
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goto error;
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