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authorMark Brown2013-06-03 18:24:08 +0200
committerMark Brown2013-06-03 19:06:48 +0200
commitb92be6fecc9f1e8b927d99c12dad9f9dcd729727 (patch)
tree2a17f17ab11dbd8ec38521cda8cc9f5d14394cda /drivers/base
parentLinux 3.10-rc4 (diff)
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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 <broonie@linaro.org>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/regmap/regmap.c5
1 files changed, 4 insertions, 1 deletions
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)