Dear Richard Zhao,
[...]
> > > --- a/drivers/usb/core/hub.c
> > > +++ b/drivers/usb/core/hub.c
> > > @@ -1924,6 +1924,11 @@ void usb_disconnect(struct usb_device **pdev)
> > >
> > > */
> > >
> > > device_del(&udev->dev);
> > >
> > > + if (udev->parent && !udev->parent->parent) {
> > > + struct usb_hcd *hcd = bus_to_hcd(udev->bus);
> > > + usb_phy_notify_disconnect(hcd->phy, udev->portnum);
> > > + }
> >
> > Shouldn't that go before device_del() ?
>
> Any difference?
I was worried some corruption of other members in udev structure might happen,
but I'm not so sure anymore after taking deer look.
> Thanks
> Richard
Best regards,
Marek Vasut
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