netdev - Re: [RFC PATCH 3/3] usbnet: support runtime PM triggered by link change

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Message-ID: <20120917111509.GA28340@kroah.com>
Date:	Mon, 17 Sep 2012 04:15:09 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	David Laight <David.Laight@...LAB.COM>
Cc:	Oliver Neukum <oneukum@...e.de>, Ming Lei <ming.lei@...onical.com>,
	"David S. Miller" <davem@...emloft.net>,
	Fink Dmitry <finik@...com>, Rafael Wysocki <rjw@...k.pl>,
	Alan Stern <stern@...land.harvard.edu>, netdev@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [RFC PATCH 3/3] usbnet: support runtime PM triggered by link
 change

On Mon, Sep 17, 2012 at 10:02:27AM +0100, David Laight wrote:
> > > +void usbnet_link_updated(struct usbnet *dev)
> > > +{
> > > +	complete(&dev->link_update_completion);
> > > +}
> > > +EXPORT_SYMBOL_GPL(usbnet_link_updated);
> > 
> > Isn't that a bit too trivial to get the _GPL version?
> 
> Particularly if the usb infrastructure (that I presume this
> is part of) might be reasonably usable by non-gpl drivers.

It can not be, and has not been able to, for quite a number of years now
(since the 2.6.15 kernel release or so I think.)  So this should not be
an issue.

greg k-h
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