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| author | Mark Brown <broonie@kernel.org> | 2023-03-25 21:49:49 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-03-27 01:42:26 +0100 |
| commit | 2c89db8f8d1e544fd817d4c0dc508a00b78a8f7f (patch) | |
| tree | 99d5a3c76428189fa8a9155c3e6f0fc52bb007be /drivers/base | |
| parent | dc4c6232b8831ee4884b1026fcd963bd7e3ae21f (diff) | |
| download | linux-2c89db8f8d1e544fd817d4c0dc508a00b78a8f7f.tar.gz linux-2c89db8f8d1e544fd817d4c0dc508a00b78a8f7f.tar.bz2 linux-2c89db8f8d1e544fd817d4c0dc508a00b78a8f7f.zip | |
regmap: Handle sparse caches in the default sync
If there is no cache entry available we will get -ENOENT from the cache
implementation, handle this gracefully and skip rather than treating it as
an error.
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230325-regcache-sparse-sync-v1-1-2a890239d061@kernel.org
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/regmap/regcache.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 0482cf1c3231..c53eabd4855d 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -311,6 +311,8 @@ static int regcache_default_sync(struct regmap *map, unsigned int min, continue; ret = regcache_read(map, reg, &val); + if (ret == -ENOENT) + continue; if (ret) return ret; |