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path: root/drivers/base/regmap/regcache-maple.c
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Diffstat (limited to 'drivers/base/regmap/regcache-maple.c')
-rw-r--r--drivers/base/regmap/regcache-maple.c47
1 files changed, 21 insertions, 26 deletions
diff --git a/drivers/base/regmap/regcache-maple.c b/drivers/base/regmap/regcache-maple.c
index 2319c30283a6..ca1c72b68f31 100644
--- a/drivers/base/regmap/regcache-maple.c
+++ b/drivers/base/regmap/regcache-maple.c
@@ -289,6 +289,23 @@ out:
return ret;
}
+static int regcache_maple_init(struct regmap *map)
+{
+ struct maple_tree *mt;
+
+ mt = kmalloc(sizeof(*mt), map->alloc_flags);
+ if (!mt)
+ return -ENOMEM;
+ map->cache = mt;
+
+ mt_init(mt);
+
+ if (!mt_external_lock(mt) && map->lock_key)
+ lockdep_set_class_and_subclass(&mt->ma_lock, map->lock_key, 1);
+
+ return 0;
+}
+
static int regcache_maple_exit(struct regmap *map)
{
struct maple_tree *mt = map->cache;
@@ -340,26 +357,12 @@ static int regcache_maple_insert_block(struct regmap *map, int first,
return ret;
}
-static int regcache_maple_init(struct regmap *map)
+static int regcache_maple_populate(struct regmap *map)
{
- struct maple_tree *mt;
int i;
int ret;
int range_start;
- mt = kmalloc(sizeof(*mt), map->alloc_flags);
- if (!mt)
- return -ENOMEM;
- map->cache = mt;
-
- mt_init(mt);
-
- if (!mt_external_lock(mt) && map->lock_key)
- lockdep_set_class_and_subclass(&mt->ma_lock, map->lock_key, 1);
-
- if (!map->num_reg_defaults)
- return 0;
-
range_start = 0;
/* Scan for ranges of contiguous registers */
@@ -369,23 +372,14 @@ static int regcache_maple_init(struct regmap *map)
ret = regcache_maple_insert_block(map, range_start,
i - 1);
if (ret != 0)
- goto err;
+ return ret;
range_start = i;
}
}
/* Add the last block */
- ret = regcache_maple_insert_block(map, range_start,
- map->num_reg_defaults - 1);
- if (ret != 0)
- goto err;
-
- return 0;
-
-err:
- regcache_maple_exit(map);
- return ret;
+ return regcache_maple_insert_block(map, range_start, map->num_reg_defaults - 1);
}
struct regcache_ops regcache_maple_ops = {
@@ -393,6 +387,7 @@ struct regcache_ops regcache_maple_ops = {
.name = "maple",
.init = regcache_maple_init,
.exit = regcache_maple_exit,
+ .populate = regcache_maple_populate,
.read = regcache_maple_read,
.write = regcache_maple_write,
.drop = regcache_maple_drop,