linux-kernel - Re: [PATCH 33/54] driver core: remove fields from struct bus

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Message-ID: <20071105170055.GA12843@suse.de>
Date:	Mon, 5 Nov 2007 09:00:55 -0800
From:	Greg KH <gregkh@...e.de>
To:	Cornelia Huck <cornelia.huck@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, Kay Sievers <kay.sievers@...y.org>
Subject: Re: [PATCH 33/54] driver core: remove fields from struct bus_type

On Mon, Nov 05, 2007 at 11:33:19AM +0100, Cornelia Huck wrote:
> On Fri,  2 Nov 2007 16:59:11 -0700,
> Greg Kroah-Hartman <gregkh@...e.de> wrote:
> 
> > struct bus_type is static everywhere in the kernel.  This moves the
> > kobject in the structure out of it, and a bunch of other private only to
> > the driver core fields are now moved to a private structure.  This lets
> > us dynamically create the backing kobject properly and gives us the
> > chance to be able to document to users exactly how to use the struct
> > bus_type as there are no fields they can improperly access.
> > 
> > Cc: Kay Sievers <kay.sievers@...y.org>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
> > ---
> >  drivers/base/base.h     |   30 +++++++++++-
> >  drivers/base/bus.c      |  120 ++++++++++++++++++++++++++--------------------
> >  drivers/base/core.c     |    6 +-
> >  drivers/base/dd.c       |    4 +-
> >  drivers/base/driver.c   |    2 +-
> >  drivers/base/platform.c |    4 +-
> >  include/linux/device.h  |   12 +----
> >  7 files changed, 107 insertions(+), 71 deletions(-)
> > 
> 
> drivers/base/bus.c: In function 'make_deprecated_bus_links':
> drivers/base/bus.c:428: error: 'struct bus_type' has no member named 'subsys'
> 
> Signed-off-by: Cornelia Huck <cornelia.huck@...ibm.com>
> 
> ---
>  drivers/base/bus.c |    2 +-
>  1 files changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux-2.6/drivers/base/bus.c
> ===================================================================
> --- linux-2.6.orig/drivers/base/bus.c	2007-11-05 11:12:49.000000000 +0100
> +++ linux-2.6/drivers/base/bus.c	2007-11-05 11:30:28.000000000 +0100
> @@ -425,7 +425,7 @@ static void device_remove_attrs(struct b
>  static int make_deprecated_bus_links(struct device *dev)
>  {
>  	return sysfs_create_link(&dev->kobj,
> -				 &dev->bus->subsys.kobj, "bus");
> +				 &dev->bus->p->subsys.kobj, "bus");
>  }
>  
>  static void remove_deprecated_bus_links(struct device *dev)

Thanks, Kay beat you to this by sending me a patch for it yesterday :)

greg
-
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