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Message-Id: <1367852768-31389-1-git-send-email-broonie@opensource.wolfsonmicro.com> Date: Mon, 6 May 2013 16:06:08 +0100 From: Mark Brown <broonie@...nsource.wolfsonmicro.com> To: Mark Brown <broonie@...nel.org> Cc: linux-kernel@...r.kernel.org, Mark Brown <broonie@...nsource.wolfsonmicro.com> Subject: [PATCH] regcache: Always make cache_present big enough for max_register 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@...nsource.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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