forked from luck/tmp_suning_uos_patched
regmap: Remove default cache sync implementation
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>
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parent
2a14d7d9b7
commit
c3ec23288a
@ -254,12 +254,11 @@ EXPORT_SYMBOL_GPL(regcache_write);
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int regcache_sync(struct regmap *map)
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{
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int ret = 0;
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unsigned int val;
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unsigned int i;
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const char *name;
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unsigned int bypass;
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BUG_ON(!map->cache_ops);
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BUG_ON(!map->cache_ops || !map->cache_ops->sync);
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mutex_lock(&map->lock);
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/* Remember the initial bypass state */
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@ -284,24 +283,8 @@ int regcache_sync(struct regmap *map)
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}
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map->cache_bypass = 0;
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if (map->cache_ops->sync) {
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ret = map->cache_ops->sync(map);
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} else {
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for (i = 0; i < map->num_reg_defaults; i++) {
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ret = regcache_read(map, i, &val);
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if (ret < 0)
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goto out;
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map->cache_bypass = 1;
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ret = _regmap_write(map, i, val);
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map->cache_bypass = 0;
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if (ret < 0)
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goto out;
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dev_dbg(map->dev, "Synced register %#x, value %#x\n",
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map->reg_defaults[i].reg,
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map->reg_defaults[i].def);
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}
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ret = map->cache_ops->sync(map);
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}
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out:
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trace_regcache_sync(map->dev, name, "stop");
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/* Restore the bypass state */
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