On 09:59 Mon 18 Feb , Sascha Hauer wrote:
> On Sat, Feb 16, 2013 at 07:18:39PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
> > ---
> > common/oftree.c | 27 +++++++++++++++++++++++++++
> > include/of.h | 6 ++++++
> > 2 files changed, 33 insertions(+)
> >
> > diff --git a/common/oftree.c b/common/oftree.c
> > index 6b20cdb..82e5ddd 100644
> > --- a/common/oftree.c
> > +++ b/common/oftree.c
> > @@ -229,6 +229,33 @@ void do_fixup_by_path_u32(struct fdt_header *fdt, const char *path,
> > do_fixup_by_path(fdt, path, prop, &val, sizeof(val), create);
> > }
> >
> > +void do_fixup_by_compatible(struct fdt_header *fdt, const char *compatible,
> > + const char *prop, const void *val, int len, int create)
> > +{
> > + int off = -1;
> > +
> > + off = fdt_node_offset_by_compatible(fdt, -1, compatible);
> > + while (off != -FDT_ERR_NOTFOUND) {
> > + if (create || (fdt_get_property(fdt, off, prop, 0) != NULL))
> > + fdt_setprop(fdt, off, prop, val, len);
> > + off = fdt_node_offset_by_compatible(fdt, off, compatible);
> > + }
> > +}
>
> IMO we shouldn't increase the dependency on libfdt. The fdt format is a
> nice storage format, but it sucks for modifying the tree.
> I created some patches to get rid of libfdt entirely yesterday. They are
> not complete yet, but removing libfdt has some nice effects:
>
> - Smaller binaries
> - No more parallel universes of fdt and internal trees. This currently makes the
> devicetree code messy
> - I trimmed down the overhead of unflattening/flattening significantly.
> It still adds some overhead to do it, but manipulating the tree is a
> factor of 50 faster which means once you have multiple manipulations
> of the tree it reduces the overhead to a net win.
ok will this be availlable for next release ok ohterwise can we have this
patch first so we can have the fixuo support for highbank
Best Regards,
J.
>
> Sascha
>
> --
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