[PATCH 0/4] Component helper updates

[Russell King - ARM Linux]

Given the lack of interest in these patches, I've put these into my
"for-next" branch so that they can get some exposure in linux-next.

On Mon, Nov 23, 2015 at 04:02:11PM +0000, Russell King - ARM Linux wrote:
> Greg,
> 
> These four patches update the component helper by:
> * Removing the legacy matching code with the .add_components method
>   in the master's operation structure.  Nothing in -rc1 appears to be
>   using the legacy functions or method, according to my git greps.
> 
> * A slight code reorganisation which results in slightly easier to read
>   code.
> 
> * Switch to tracking components via an array rather than a list, which
>   allows us to keep the matching and matched components together, and
>   more importantly allows us to reduce the amount of matching - with
>   this structure, we can incrementally add the component devices as
>   they become available, rather than re-running the list of matches
>   each time something changes.
> 
> * Fix the lack of match release functionality, which Liviu Dudau
>   reminded me was missing.  This allows people who want to pass
>   device_node structures in to (correctly) retain the reference to the
>   node, and drop the node when the need to do matches is no longer
>   required.
> 
> The first three patches have been well tested over the last year as I've
> had them in my tree that long.  I hadn't considered them important enough
> to send as they're only removing and cleaning up functionality.  However,
> with the need to fix something, it now makes sense to get them merged.
> 
> The last patch has been tested with etnaviv DRM to prove that the match
> release works by unloading the module.  On unload, the release function
> is correctly called.
> 
> This is intended for the next merge window.  Please apply.
> 
>  drivers/base/component.c  | 281 ++++++++++++++++++++++++----------------------
>  include/linux/component.h |  33 ++++--
>  2 files changed, 167 insertions(+), 147 deletions(-)
> 
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