Replace usb_gadget_driver's disconnect with udc-core's reset notifier at
bus reset handler.
Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
---
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 f104ac0..d4edd76 100644
--- a/drivers/usb/gadget/udc/mv_udc_core.c
+++ b/drivers/usb/gadget/udc/mv_udc_core.c
@@ -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));
--
1.7.9.5
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