UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

regmap: Warn on raw I/O as well as bulk reads that bypass cache 

As with the bulk reads we really should be able to make these play
nicely with the cache but warn for now.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-10-09 13:35:43 +01:00
parent 6e6ace00a0
commit 04e016adca
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/base/regmap/regmap.c
View File

@ -377,6 +377,8 @@ int regmap_raw_write(struct regmap *map, unsigned int reg,
{
int ret;
WARN_ON(map->cache_type != REGCACHE_NONE);
mutex_lock(&map->lock);
ret = _regmap_raw_write(map, reg, val, val_len);
@ -481,6 +483,8 @@ int regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
{
int ret;
WARN_ON(map->cache_type != REGCACHE_NONE);
mutex_lock(&map->lock);
ret = _regmap_raw_read(map, reg, val, val_len);