From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Peter Chen <hzpeterchen@gmail.com>
Cc: balbi@kernel.org, USB list <linux-usb@vger.kernel.org>,
linux-imx@nxp.com, Peter Chen <peter.chen@nxp.com>
Subject: Re: [PATCH RESEND 2/2] usb: gadget: core: do not try to disconnect gadget if it is not connected
Date: Tue, 29 Dec 2020 11:17:46 +0100 [thread overview]
Message-ID: <X+sCSg8TsBfzrlHV@kroah.com> (raw)
In-Reply-To: <CAL411-pgUVSieBSCa1D8CLL+qSJ8SHTVWt998XgJp0UVNWp1Mg@mail.gmail.com>
On Tue, Dec 29, 2020 at 01:56:00PM +0800, Peter Chen wrote:
> On Tue, Dec 1, 2020 at 2:45 PM Peter Chen <hzpeterchen@gmail.com> wrote:
>
> > BR,
> > Peter Chen
> >
> > On Thu, Oct 29, 2020 at 6:45 PM Peter Chen <hzpeterchen@gmail.com> wrote:
> > >
> > > On Tue, Oct 13, 2020 at 8:01 PM Peter Chen <peter.chen@nxp.com> wrote:
> > > >
> > > > Current UDC core connects gadget during the loading gadget flow
> > > > (udc_bind_to_driver->usb_udc_connect_control), but for
> > > > platforms which do not connect gadget if the VBUS is not there,
> > > > they call usb_gadget_disconnect, but the gadget is not connected
> > > > at this time, notify disconnecton for the gadget driver is meaningless
> > > > at this situation.
> > > >
> > > > Signed-off-by: Peter Chen <peter.chen@nxp.com>
> > > > ---
> > > > drivers/usb/gadget/udc/core.c | 3 +++
> > > > 1 file changed, 3 insertions(+)
> > > >
> > > > diff --git a/drivers/usb/gadget/udc/core.c
> > b/drivers/usb/gadget/udc/core.c
> > > > index 215ecbe8b692..8ad4203dea8c 100644
> > > > --- a/drivers/usb/gadget/udc/core.c
> > > > +++ b/drivers/usb/gadget/udc/core.c
> > > > @@ -672,6 +672,9 @@ int usb_gadget_connect(struct usb_gadget *gadget)
> > > > goto out;
> > > > }
> > > >
> > > > + if (!gadget->connected)
> > > > + goto out;
> > > > +
> > > > if (gadget->deactivated) {
> > > > /*
> > > > * If gadget is deactivated we only save new state.
> > > > --
> > > > 2.17.1
> > > >
> > >
> > > A gentle ping.
> > >
> >
> > ping again.
> >
> > Peter
> >
>
> Greg, would you please help to catch it up?
Again, can you please resend?
thanks,
greg k-h
next prev parent reply other threads:[~2020-12-29 10:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-13 9:27 [PATCH RESEND 1/2] usb: gadget: core: change the comment for usb_gadget_connect Peter Chen
2020-10-13 9:27 ` [PATCH RESEND 2/2] usb: gadget: core: do not try to disconnect gadget if it is not connected Peter Chen
2020-10-29 10:45 ` Peter Chen
2020-12-01 6:45 ` Peter Chen
[not found] ` <CAL411-pgUVSieBSCa1D8CLL+qSJ8SHTVWt998XgJp0UVNWp1Mg@mail.gmail.com>
2020-12-29 10:17 ` Greg Kroah-Hartman [this message]
2020-12-01 6:46 ` [PATCH RESEND 1/2] usb: gadget: core: change the comment for usb_gadget_connect Peter Chen
[not found] ` <CAL411-pcwrRyPCnq79JHZRH4db39Ke31E4tNH2W3vAbwJc=2xA@mail.gmail.com>
2020-12-29 10:17 ` Greg Kroah-Hartman
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