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Commit c4430a26 authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: dwc3: gadget: disable U1/U2 on disconnect 



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

Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent fcc023c7

drivers/usb/dwc3/gadget.c

+2 −5
Original line number Diff line number Diff line
@@ -1906,11 +1906,9 @@ static void dwc3_clear_stall_all_ep(struct dwc3 *dwc) 


static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc)

{

	int			reg;



	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 +1916,6 @@ 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);