Messages in this thread Patch in this message | | | From | "Wang, Yalin" <> | Date | Thu, 11 Sep 2014 16:19:49 +0800 | Subject | [PATCH] regmap:change struct regmap's internal locks as union |
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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> --- drivers/base/regmap/internal.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h index bfc90b8..0da5865 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -49,8 +49,10 @@ struct regmap_async { }; struct regmap { - struct mutex mutex; - spinlock_t spinlock; + union { + struct mutex mutex; + spinlock_t spinlock; + }; unsigned long spinlock_flags; regmap_lock lock; regmap_unlock unlock; -- 2.1.0
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