During superspeed, HIRD threshold should always
be zero. Curent driver wasn't making sure that
was the case.
Signed-off-by: Felipe Balbi <ba...@ti.com>
---
drivers/usb/dwc3/gadget.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 3eee96a..d307ad7 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2331,6 +2331,10 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3
*dwc)
reg |= DWC3_DCTL_HIRD_THRES(12);
dwc3_writel(dwc->regs, DWC3_DCTL, reg);
+ } else {
+ reg = dwc3_readl(dwc->regs, DWC3_DCTL);
+ reg &= ~DWC3_DCTL_HIRD_THRES_MASK;
+ dwc3_writel(dwc->regs, DWC3_DCTL, reg);
}
dep = dwc->eps[0];
--
1.9.0
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