redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

Merge remote-tracking branch 'regmap/topic/cache' into regmap-next

hifive-unleashed-5.1
Mark Brown 2016-01-05 19:07:16 +00:00
parent 168309855a 167f7066a6
commit 6cca67129d
1 changed files with 14 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/base/regmap/regcache.c
View File

@ -100,15 +100,25 @@ int regcache_init(struct regmap *map, const struct regmap_config *config)
int i;
void *tmp_buf;
for (i = 0; i < config->num_reg_defaults; i++)
if (config->reg_defaults[i].reg % map->reg_stride)
return -EINVAL;
if (map->cache_type == REGCACHE_NONE) {
if (config->reg_defaults || config->num_reg_defaults_raw)
dev_warn(map->dev,
"No cache used with register defaults set!\n");
map->cache_bypass = true;
return 0;
}
if (config->reg_defaults && !config->num_reg_defaults) {
dev_err(map->dev,
"Register defaults are set without the number!\n");
return -EINVAL;
}
for (i = 0; i < config->num_reg_defaults; i++)
if (config->reg_defaults[i].reg % map->reg_stride)
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(cache_types); i++)
if (cache_types[i]->type == map->cache_type)
break;
@ -138,8 +148,6 @@ int regcache_init(struct regmap *map, const struct regmap_config *config)
* a copy of it.
*/
if (config->reg_defaults) {
if (!map->num_reg_defaults)
return -EINVAL;
tmp_buf = kmemdup(config->reg_defaults, map->num_reg_defaults *
sizeof(struct reg_default), GFP_KERNEL);
if (!tmp_buf)