power: supply: core: add support for custom sysfs attributes

Add functionality to setup device specific sysfs attributes
in a race condition free manner

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 84fe93f674a0..57b2ab82b951 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -204,6 +204,9 @@ struct power_supply_config {
         /* Driver private data */
         void *drv_data;
 
+        /* Device specific sysfs attributes */
+        const struct attribute_group **attr_grp;
+
         char **supplied_to;
         size_t num_supplicants;
 };