If there is no cache used for the drivers, the register defaults
or the register defaults raw are not need any more. This patch
will check this and print a warning.
Signed-off-by: Xiubo Li <lixi...@cmss.chinamobile.com>
---
drivers/base/regmap/regcache.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 1c0210a..d4e96dd 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -100,15 +100,19 @@ 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;
}
+ 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;
--
1.8.3.1
--
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