Replace usb_gadget_driver's disconnect with udc-core's reset notifier at bus reset handler.
Signed-off-by: Peter Chen <[email protected]> --- drivers/usb/gadget/udc/mv_udc_core.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index 040fb16..406d213 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -1311,6 +1311,23 @@ 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 disconnect; 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) { @@ -1886,7 +1903,7 @@ 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)); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
