[PATCH RFC v2 3/8] component: add support for component match array

[Russell King - ARM Linux]

On Thu, Jun 26, 2014 at 03:46:01PM +0100, Russell King - ARM Linux wrote:
> On Thu, Jun 26, 2014 at 02:34:17PM +0200, Philipp Zabel wrote:
> > Hi Russell,
> > 
> > On Tue, Jun 24, 2014 at 9:29 PM, Russell King
> > <rmk+kernel at arm.linux.org.uk> wrote:
> > [...]
> > > +/*
> > > + * Add a component to be matched.
> > > + *
> > > + * The match array is first created or extended if necessary.
> > > + */
> > > +void component_match_add(struct device *dev, struct component_match **matchptr,
> > > +       int (*compare)(struct device *, void *), void *compare_data)
> > > +{
> > > +       struct component_match *match = *matchptr;
> > > +
> > > +       if (IS_ERR(match))
> > > +               return;
> > > +
> > > +       if (!match || match->num == match->alloc) {
> > > +               size_t new_size = match ? match->alloc + 16 : 15;
> > > +
> > > +               match = component_match_realloc(dev, match, new_size);
> > > +
> > > +               *matchptr = match;
> > > +
> > > +               if (IS_ERR(match))
> > > +                       return;
> > > +       }
> > > +
> > > +       match->compare[match->num].fn = compare;
> > > +       match->compare[match->num].data = compare_data;
> > > +       match->num++;
> > > +}
> > 
> > component_match_add should be exported.
> 
> Fixed, thanks.

As there's no further comments, and Inki Dae has not responded, I'm
going to send these out without the RFC tag in the hope that people
will provide acks.  This allows us to move forward with this despite
the Exynos DRM blockage.

The ultimate plan is for patches 1 to 3 inclusive to be merged into
Greg's driver tree, 1 to 3 and 5 into Greg's staging tree, and 1 to
3 and 4 for David Airlie's DRM tree - patches 1 to 3 are needed for
both patches 4 and 5.

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