On Thu, Oct 5, 2017 at 8:44 PM, Rob Herring <[email protected]> wrote: > Only Sparc uses unique_id, so remove it for FDT builds and shrink struct > property a bit making the unflattened DT less of a memory hog.
It can be even more constrained than that. I think the only user is openpromfs so you could make it depend on CONFIG_SUN_OPENPROMFS, and adjust the needed code in pdt.c. Ideally, I'd like to be rid of unique_id entirely, but that's a much more invasive patch set. Regardless: Acked-by: Grant Likely <[email protected]> (That goes for the entire series) > > Cc: Nicolas Pitre <[email protected]> > Cc: Frank Rowand <[email protected]> > Signed-off-by: Rob Herring <[email protected]> > --- > include/linux/of.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/include/linux/of.h b/include/linux/of.h > index cfc34117fc92..8f9e96752837 100644 > --- a/include/linux/of.h > +++ b/include/linux/of.h > @@ -38,7 +38,9 @@ struct property { > void *value; > struct property *next; > unsigned long _flags; > +#if defined(CONFIG_OF_PROMTREE) > unsigned int unique_id; > +#endif > struct bin_attribute attr; > }; > > -- > 2.11.0 >
