[PATCH 14/15] usb: dwc3: gadget: disable U1/U2 on disconnect

[Felipe Balbi <balbi@xxxxxx>]

If we get a disconnect IRQ, we should take
the core out of low power mode so we can
reconnect afterwards.

Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
 drivers/usb/dwc3/gadget.c |    5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 867c476..a7756dd 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1907,10 +1907,6 @@ static void dwc3_clear_stall_all_ep(struct dwc3 *dwc)
 static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc)
 {
 	dev_vdbg(dwc->dev, "%s\n", __func__);
-#if 0
-	XXX
-	U1/U2 is powersave optimization. Skip it for now. Anyway we need to
-	enable it before we can disable it.
 
 	reg = dwc3_readl(dwc->regs, DWC3_DCTL);
 	reg &= ~DWC3_DCTL_INITU1ENA;
@@ -1918,7 +1914,6 @@ static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc)
 
 	reg &= ~DWC3_DCTL_INITU2ENA;
 	dwc3_writel(dwc->regs, DWC3_DCTL, reg);
-#endif
 
 	dwc3_stop_active_transfers(dwc);
 	dwc3_disconnect_gadget(dwc);
-- 
1.7.10.2

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