From: Mark Brown Date: Mon, 3 Jun 2013 16:24:08 +0000 (+0100) Subject: regmap: core: Cache all registers by default when cache is enabled X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=b92be6fecc9f1e8b927d99c12dad9f9dcd729727;p=deliverable%2Flinux.git regmap: core: Cache all registers by default when cache is enabled Currently all register maps with a cache need to provide a volatile callback since the default is to assume all registers are volatile. This is not sensible if we have a cache so change the default to be fully cached if a cache is provided. Signed-off-by: Mark Brown --- diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index a941dcfe7590..2f1f3ff6c6bf 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -123,7 +123,10 @@ bool regmap_volatile(struct regmap *map, unsigned int reg) if (map->volatile_table) return _regmap_check_range_table(map, reg, map->volatile_table); - return true; + if (map->cache_ops) + return false; + else + return true; } bool regmap_precious(struct regmap *map, unsigned int reg)