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usb: gadget: mv_udc_core: use udc-core's reset notifier 

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

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Peter Chen 2014-11-06 14:28:03 +08:00 committed by Felipe Balbi
parent 236e5064fc
commit 69aa1f9f5e
1 changed files with 18 additions and 1 deletions
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19
drivers/usb/gadget/udc/mv_udc_core.c
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@ -1307,6 +1307,23 @@ static void nuke(struct mv_ep *ep, int status)
}
}
static void gadget_reset(struct mv_udc *udc, struct usb_gadget_driver *driver)
{
struct mv_ep *ep;
nuke(&udc->eps[0], -ESHUTDOWN);
list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
nuke(ep, -ESHUTDOWN);
}
/* report reset; the driver is already quiesced */
if (driver) {
spin_unlock(&udc->lock);
usb_gadget_udc_reset(&udc->gadget, driver);
spin_lock(&udc->lock);
}
}
/* stop all USB activities */
static void stop_activity(struct mv_udc *udc, struct usb_gadget_driver *driver)
{
@ -1881,7 +1898,7 @@ static void irq_process_reset(struct mv_udc *udc)
dev_info(&udc->dev->dev, "usb bus reset\n");
udc->usb_state = USB_STATE_DEFAULT;
/* reset all the queues, stop all USB activities */
stop_activity(udc, udc->driver);
gadget_reset(udc, udc->driver);
} else {
dev_info(&udc->dev->dev, "USB reset portsc 0x%x\n",
readl(&udc->op_regs->portsc));