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-rw-r--r--drivers/base/platform.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index f6bcf22e6bd1..4b4b565c835f 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -362,6 +362,8 @@ EXPORT_SYMBOL_GPL(platform_device_unregister);
* enumeration tasks, they don't fully conform to the Linux driver model.
* In particular, when such drivers are built as modules, they can't be
* "hotplugged".
+ *
+ * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
*/
struct platform_device *platform_device_register_simple(const char *name,
int id,
@@ -408,6 +410,8 @@ EXPORT_SYMBOL_GPL(platform_device_register_simple);
* allocated for the device allows drivers using such devices to be
* unloaded without waiting for the last reference to the device to be
* dropped.
+ *
+ * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
*/
struct platform_device *platform_device_register_data(
struct device *parent,
@@ -559,6 +563,8 @@ EXPORT_SYMBOL_GPL(platform_driver_probe);
*
* Use this in legacy-style modules that probe hardware directly and
* register a single platform device and corresponding platform driver.
+ *
+ * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
*/
struct platform_device * __init_or_module platform_create_bundle(
struct platform_driver *driver,
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