linux-kernel - Re: [PATCH 04/11] remove usb

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Date:	Thu, 07 Jun 2012 10:07:25 +0200
From:	Stefani Seibold <stefani@...bold.net>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, oneukum@...e.de,
	alan@...rguk.ukuu.org.uk, linux-usb@...r.kernel.org
Subject: Re: [PATCH 04/11] remove usb_interface pointer

Am Donnerstag, den 07.06.2012, 07:54 +0900 schrieb Greg KH:
> On Wed, Jun 06, 2012 at 06:27:05PM +0200, stefani@...bold.net wrote:
> > From: Stefani Seibold <stefani@...bold.net>
> > 
> > this saves a litte bit of memory space in the driver devices structure
> > 
> > Signed-off-by: Stefani Seibold <stefani@...bold.net>
> > ---
> >  drivers/usb/usb-skeleton.c |   23 ++++++++++++-----------
> >  1 files changed, 12 insertions(+), 11 deletions(-)
> > 
> > diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
> > index 2f17991..f7fe32f 100644
> > --- a/drivers/usb/usb-skeleton.c
> > +++ b/drivers/usb/usb-skeleton.c
> > @@ -49,7 +49,6 @@ MODULE_DEVICE_TABLE(usb, skel_table);
> >  /* Structure to hold all of our device specific stuff */
> >  struct usb_skel {
> >  	struct usb_device	*udev;			/* the usb device for this device */
> > -	struct usb_interface	*interface;		/* the interface for this device */
> 
> No, that's the exact opposite of what I asked you to do.
> 

You asked me "Do you really need both?". But anyway i will find no way
to kick the usb_device pointer away without wasting the code.

So i will revert it for the first time.
 


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