redonkable/alistair23-linux
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usb: dwc3: gadget: use udc-core's reset notifier

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Replace usb_gadget_driver's disconnect with udc-core's reset notifier at
bus reset handler.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2014-11-06 14:27:53 +08:00
parent 6876d58f2f
commit 8e74475b0e
1 changed files with 12 additions and 5 deletions
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17
drivers/usb/dwc3/gadget.c
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@ -2041,6 +2041,17 @@ static void dwc3_resume_gadget(struct dwc3 *dwc)
if (dwc->gadget_driver && dwc->gadget_driver->resume) {
spin_unlock(&dwc->lock);
dwc->gadget_driver->resume(&dwc->gadget);
}
}
static void dwc3_reset_gadget(struct dwc3 *dwc)
{
if (!dwc->gadget_driver)
return;
if (dwc->gadget.speed != USB_SPEED_UNKNOWN) {
spin_unlock(&dwc->lock);
usb_gadget_udc_reset(&dwc->gadget, dwc->gadget_driver);
spin_lock(&dwc->lock);
}
}
@ -2185,11 +2196,7 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc)
dwc3_gadget_disconnect_interrupt(dwc);
}
/* after reset -> Default State */
usb_gadget_set_state(&dwc->gadget, USB_STATE_DEFAULT);
if (dwc->gadget.speed != USB_SPEED_UNKNOWN)
dwc3_disconnect_gadget(dwc);
dwc3_reset_gadget(dwc);
reg = dwc3_readl(dwc->regs, DWC3_DCTL);
reg &= ~DWC3_DCTL_TSTCTRL_MASK;