summaryrefslogtreecommitdiff
path: root/include/linux/regulator/consumer.h
diff options
context:
space:
mode:
authorJames Morris <jmorris@namei.org>2010-05-06 04:56:07 +0400
committerJames Morris <jmorris@namei.org>2010-05-06 04:56:07 +0400
commit0ffbe2699cda6afbe08501098dff8a8c2fe6ae09 (patch)
tree81b1a2305d16c873371b65c5a863c0268036cefe /include/linux/regulator/consumer.h
parent4e5d6f7ec3833c0da9cf34fa5c53c6058c5908b6 (diff)
parent7ebd467551ed6ae200d7835a84bbda0dcadaa511 (diff)
downloadlinux-0ffbe2699cda6afbe08501098dff8a8c2fe6ae09.tar.xz
Merge branch 'master' into next
Diffstat (limited to 'include/linux/regulator/consumer.h')
-rw-r--r--include/linux/regulator/consumer.h8
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 28c9fd020d39..ebd747265294 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -183,9 +183,13 @@ static inline struct regulator *__must_check regulator_get(struct device *dev,
{
/* Nothing except the stubbed out regulator API should be
* looking at the value except to check if it is an error
- * value so the actual return value doesn't matter.
+ * value. Drivers are free to handle NULL specifically by
+ * skipping all regulator API calls, but they don't have to.
+ * Drivers which don't, should make sure they properly handle
+ * corner cases of the API, such as regulator_get_voltage()
+ * returning 0.
*/
- return (struct regulator *)id;
+ return NULL;
}
static inline void regulator_put(struct regulator *regulator)
{