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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:17:39 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-08 04:17:39 +0000 |
| commit | a51ea39b76ddbe91aa5ccf9f24762ef7c8b0d0cd (patch) | |
| tree | 13f5692a56e72fd7da499f399ec0f91e68905c40 /drivers/base/regmap | |
| parent | Adding debian version 4.19.282-1. (diff) | |
| download | linux-a51ea39b76ddbe91aa5ccf9f24762ef7c8b0d0cd.tar.xz linux-a51ea39b76ddbe91aa5ccf9f24762ef7c8b0d0cd.zip | |
Merging upstream version 4.19.289.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/base/regmap')
| -rw-r--r-- | drivers/base/regmap/regcache.c | 6 | ||||
| -rw-r--r-- | drivers/base/regmap/regmap.c | 6 |
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 773560348..b78e4b6e2 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -347,6 +347,9 @@ int regcache_sync(struct regmap *map) const char *name; bool bypass; + if (WARN_ON(map->cache_type == REGCACHE_NONE)) + return -EINVAL; + BUG_ON(!map->cache_ops); map->lock(map->lock_arg); @@ -416,6 +419,9 @@ int regcache_sync_region(struct regmap *map, unsigned int min, const char *name; bool bypass; + if (WARN_ON(map->cache_type == REGCACHE_NONE)) + return -EINVAL; + BUG_ON(!map->cache_ops); map->lock(map->lock_arg); diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 330ab9c85..540c879ab 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1825,6 +1825,8 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg, size_t val_count = val_len / val_bytes; size_t chunk_count, chunk_bytes; size_t chunk_regs = val_count; + size_t max_data = map->max_raw_write - map->format.reg_bytes - + map->format.pad_bytes; int ret, i; if (!val_count) @@ -1832,8 +1834,8 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg, if (map->use_single_write) chunk_regs = 1; - else if (map->max_raw_write && val_len > map->max_raw_write) - chunk_regs = map->max_raw_write / val_bytes; + else if (map->max_raw_write && val_len > max_data) + chunk_regs = max_data / val_bytes; chunk_count = val_count / chunk_regs; chunk_bytes = chunk_regs * val_bytes; |