Re: [PATCH 1/6] driver-core : add class iteration api

[Cornelia Huck <cornelia.huck@de.ibm.com>]

On Tue, 22 Jan 2008 15:27:08 +0800,
Dave Young <hidave.darkstar@gmail.com> wrote:

> On Mon, Jan 21, 2008 at 10:24:17PM -0800, David Brownell wrote:
> > This is called with class->sem held.  So fn() has a
> > constraint to not re-acquire that ... else it'd be
> > self-deadlocking.  I'd like to see docs at least
> > mention that; calls to add or remove class members
> > would be verboten, for example, which isn't an issue
> > with most other driver model iterators.

Indeed, it's a good idea to point this out.

> Update kerneldoc as david brownell's sugestion.
> Is it right for me add Cornelia Huck's ack after this change?

Fine with me.

> ---
> 
> Add the following class iteration functions for driver use:
> class_for_each_device
> class_find_device
> class_for_each_child
> class_find_child
> 
> Signed-off-by: Dave Young <hidave.darkstar@gmail.com> 
> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
> 
> ---
>  drivers/base/class.c   |  175 +++++++++++++++++++++++++++++++++++++++++++++++++
>  include/linux/device.h |   11 ++-
>  2 files changed, 184 insertions(+), 2 deletions(-)