diff options
| author | Mark Brown <broonie@kernel.org> | 2024-08-22 22:13:36 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-08-23 13:03:11 +0300 |
| commit | fd4ebc07b4dff7e1abedf1b7fd477bc04b69ae55 (patch) | |
| tree | 659fc832521278ec730f420a7273b8424dcf674d /drivers/base/regmap | |
| parent | c69bb91c47e840c96ec4e72e7ebd982dd518441e (diff) | |
| download | linux-fd4ebc07b4dff7e1abedf1b7fd477bc04b69ae55.tar.xz | |
regmap: Hold the regmap lock when allocating and freeing the cache
For the benefit of the maple tree's lockdep checking hold the lock while
creating and exiting the cache.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://patch.msgid.link/20240822-b4-regmap-maple-nolock-v1-2-d5e6dbae3396@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/base/regmap')
| -rw-r--r-- | drivers/base/regmap/regcache.c | 4 | ||||
| -rw-r--r-- | drivers/base/regmap/regmap.c | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 7ec1ec605335..d3659ba3cc11 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -195,7 +195,9 @@ int regcache_init(struct regmap *map, const struct regmap_config *config) if (map->cache_ops->init) { dev_dbg(map->dev, "Initializing %s cache\n", map->cache_ops->name); + map->lock(map->lock_arg); ret = map->cache_ops->init(map); + map->unlock(map->lock_arg); if (ret) goto err_free; } @@ -223,7 +225,9 @@ void regcache_exit(struct regmap *map) if (map->cache_ops->exit) { dev_dbg(map->dev, "Destroying %s cache\n", map->cache_ops->name); + map->lock(map->lock_arg); map->cache_ops->exit(map); + map->unlock(map->lock_arg); } } diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index bfc6bc1eb3a4..9ed842d17642 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1445,6 +1445,7 @@ void regmap_exit(struct regmap *map) struct regmap_async *async; regcache_exit(map); + regmap_debugfs_exit(map); regmap_range_exit(map); if (map->bus && map->bus->free_context) |