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16 lines
459 B
Diff
16 lines
459 B
Diff
--- a/drivers/usb/dwc2/platform.c
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+++ b/drivers/usb/dwc2/platform.c
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@@ -510,6 +510,12 @@ static int dwc2_driver_probe(struct plat
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if (retval)
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return retval;
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+ /* Enable USB port before any regs access */
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+ if (readl(hsotg->regs + PCGCTL) & 0x0f) {
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+ 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->needs_byte_swap = dwc2_check_core_endianness(hsotg);
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retval = dwc2_get_dr_mode(hsotg);
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