forked from Minki/linux
regmap: Skip patch application when the cache is not dirty on sync
On the basis that if we don't actually need to resync the cache then the patches are probably also already applied. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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@ -269,6 +269,9 @@ int regcache_sync(struct regmap *map)
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name = map->cache_ops->name;
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trace_regcache_sync(map->dev, name, "start");
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if (!map->cache_dirty)
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goto out;
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/* Apply any patch first */
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for (i = 0; i < map->patch_regs; i++) {
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ret = _regmap_write(map, map->patch[i].reg, map->patch[i].def);
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@ -279,8 +282,6 @@ int regcache_sync(struct regmap *map)
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}
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}
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if (!map->cache_dirty)
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goto out;
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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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