linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: u.kleine-koenig@pengutronix.de (Uwe Kleine-König)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH RFC] usb gadget: introduce usb_gadget_probe_driver
Date: Fri, 30 Jul 2010 17:28:04 +0200	[thread overview]
Message-ID: <20100730152804.GB28042@pengutronix.de> (raw)
In-Reply-To: <Pine.LNX.4.64.1007301712560.17618@ask.diku.dk>

On Fri, Jul 30, 2010 at 05:14:46PM +0200, Julia Lawall wrote:
> > diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
> > index 731150d..c266c1e 100644
> > --- a/drivers/usb/gadget/amd5536udc.c
> > +++ b/drivers/usb/gadget/amd5536udc.c
> > @@ -1954,13 +1954,14 @@ static int setup_ep0(struct udc *dev)
> >  }
> >  
> >  /* Called by gadget driver to register itself */
> > -int usb_gadget_register_driver(struct usb_gadget_driver *driver)
> > +int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
> > +		int (*bind)(struct usb_gadget *))
> >  {
> >  	struct udc		*dev = udc;
> >  	int			retval;
> >  	u32 tmp;
> >  
> > -	if (!driver || !driver->bind || !driver->setup
> > +	if (!driver || bind || !driver->setup
> 
> Is it intentional that !driver->bind has become just bind in this case?  
> That doesn't seem to happen in the other cases.
Yes, this is what the patch is about.  bind got a parameter to the probe
function.  This is used in favour of driver->bind to allow driver to
live in .data and bind to live in .init.text without a section mismatch.

So the other cases are broken.  I'll recheck.

Thanks
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-K?nig            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

  reply	other threads:[~2010-07-30 15:28 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-30 14:49 [PATCH RFC] usb gadget: introduce usb_gadget_probe_driver Uwe Kleine-König
2010-07-30 15:14 ` Julia Lawall
2010-07-30 15:28   ` Uwe Kleine-König [this message]
2010-07-30 15:16 ` Michał Nazarewicz
2010-07-30 15:26   ` Uwe Kleine-König
2010-07-30 16:08     ` Michał Nazarewicz
2010-07-30 18:57       ` Uwe Kleine-König
2010-07-30 18:46     ` David Brownell
2010-08-02  9:39 ` Michał Nazarewicz
2010-08-02 12:39   ` [PATCH] usb gadget: don't save bind callback in struct usb_gadget_driver Uwe Kleine-König
2010-08-02 12:51     ` Julia Lawall
2010-08-02 13:12       ` Uwe Kleine-König
2010-08-02 22:54         ` Greg KH
2010-08-02 14:25     ` Michał Nazarewicz

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20100730152804.GB28042@pengutronix.de \
    --to=u.kleine-koenig@pengutronix.de \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).