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path: root/drivers/usb/dwc3/ep0.c
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Diffstat (limited to 'drivers/usb/dwc3/ep0.c')
-rw-r--r--drivers/usb/dwc3/ep0.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 8efde178eef4..3996b9c4ff8d 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -379,6 +379,8 @@ static int dwc3_ep0_handle_u1(struct dwc3 *dwc, enum usb_device_state state,
if ((dwc->speed != DWC3_DSTS_SUPERSPEED) &&
(dwc->speed != DWC3_DSTS_SUPERSPEED_PLUS))
return -EINVAL;
+ if (set && dwc->dis_u1_entry_quirk)
+ return -EINVAL;
reg = dwc3_readl(dwc->regs, DWC3_DCTL);
if (set)
@@ -401,6 +403,8 @@ static int dwc3_ep0_handle_u2(struct dwc3 *dwc, enum usb_device_state state,
if ((dwc->speed != DWC3_DSTS_SUPERSPEED) &&
(dwc->speed != DWC3_DSTS_SUPERSPEED_PLUS))
return -EINVAL;
+ if (set && dwc->dis_u2_entry_quirk)
+ return -EINVAL;
reg = dwc3_readl(dwc->regs, DWC3_DCTL);
if (set)
@@ -626,7 +630,10 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
* nothing is pending from application.
*/
reg = dwc3_readl(dwc->regs, DWC3_DCTL);
- reg |= (DWC3_DCTL_ACCEPTU1ENA | DWC3_DCTL_ACCEPTU2ENA);
+ if (!dwc->dis_u1_entry_quirk)
+ reg |= DWC3_DCTL_ACCEPTU1ENA;
+ if (!dwc->dis_u2_entry_quirk)
+ reg |= DWC3_DCTL_ACCEPTU2ENA;
dwc3_writel(dwc->regs, DWC3_DCTL, reg);
}
break;