Commit 336fb81b authored Sep 11, 2014 by Wang, Yalin Committed by Mark Brown Sep 12, 2014

regmap: change struct regmap's internal locks as union



this patch change struct regmap->mutex and struct regmap->spinlock
as an union, because these 2 members are only used one of them,
we change it to shrink the struct size.

Signed-off-by: Yalin Wang <yalin.wang@sonymobile.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

parent 9ba1e456

drivers/base/regmap/internal.h

+4 −2

Original line number	Diff line number	Diff line
		@@ -49,8 +49,10 @@ struct regmap_async {
		};

		struct regmap {
		union {
		struct mutex mutex;
		spinlock_t spinlock;
		};
		unsigned long spinlock_flags;
		regmap_lock lock;
		regmap_unlock unlock;