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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>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Wang, Yalin 2014-09-11 16:19:49 +08:00 committed by Mark Brown
parent 9ba1e456e1
commit 336fb81b31
1 changed files with 4 additions and 2 deletions
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6
drivers/base/regmap/internal.h
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@ -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;