redonkable/alistair23-linux
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regmap: Remove default cache sync implementation

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It's not used as all cache types have sync operations so it's just dead
code which never gets tested.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-02-23 20:48:40 +00:00
parent 2a14d7d9b7
commit c3ec23288a
1 changed files with 2 additions and 19 deletions
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21
drivers/base/regmap/regcache.c
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@ -254,12 +254,11 @@ EXPORT_SYMBOL_GPL(regcache_write);
int regcache_sync(struct regmap *map)
{
int ret = 0;
unsigned int val;
unsigned int i;
const char *name;
unsigned int bypass;
BUG_ON(!map->cache_ops);
BUG_ON(!map->cache_ops || !map->cache_ops->sync);
mutex_lock(&map->lock);
/* Remember the initial bypass state */
@ -284,24 +283,8 @@ int regcache_sync(struct regmap *map)
}
map->cache_bypass = 0;
if (map->cache_ops->sync) {
ret = map->cache_ops->sync(map);
} else {
for (i = 0; i < map->num_reg_defaults; i++) {
ret = regcache_read(map, i, &val);
if (ret < 0)
goto out;
map->cache_bypass = 1;
ret = _regmap_write(map, i, val);
map->cache_bypass = 0;
if (ret < 0)
goto out;
dev_dbg(map->dev, "Synced register %#x, value %#x\n",
map->reg_defaults[i].reg,
map->reg_defaults[i].def);
}
ret = map->cache_ops->sync(map);
}
out:
trace_regcache_sync(map->dev, name, "stop");
/* Restore the bypass state */