hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

regmap: cache: Use regcache_get_value() to check if we updated 

Factor things out a little.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2013-02-21 18:07:01 +00:00
parent 879082c9fe
commit 325acab447
1 changed files with 3 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/base/regmap/regcache.c
View File

@ -418,25 +418,22 @@ EXPORT_SYMBOL_GPL(regcache_cache_bypass);
bool regcache_set_val(struct regmap *map, void *base, unsigned int idx,
unsigned int val)
{
if (regcache_get_val(map, base, idx) == val)
return true;
switch (map->cache_word_size) {
case 1: {
u8 *cache = base;
if (cache[idx] == val)
return true;
cache[idx] = val;
break;
}
case 2: {
u16 *cache = base;
if (cache[idx] == val)
return true;
cache[idx] = val;
break;
}
case 4: {
u32 *cache = base;
if (cache[idx] == val)
return true;
cache[idx] = val;
break;
}