Messages in this thread Patch in this message | | | From | Mark Brown <> | Subject | [PATCH] regcache: Always make cache_present big enough for max_register | Date | Mon, 6 May 2013 16:06:08 +0100 |
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There is no point in continually reallocating the cache_present bitmap when we know how big it could possibly be.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> --- drivers/base/regmap/regcache.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 8a0ab5f..14c6eef 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -463,6 +463,9 @@ int regcache_set_reg_present(struct regmap *map, unsigned int reg) int i; nregs = reg + 1; + if (nregs < map->max_register + 1) + nregs = map->max_register + 1; + cache_present_size = BITS_TO_LONGS(nregs); cache_present_size *= sizeof(long); -- 1.7.10.4
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