From cef8fe6a382cb556b590269e9d1dfc0241014903 Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Thu, 27 Sep 2018 15:46:03 +0200 Subject: [PATCH] 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 --- drivers/power/supply/power_supply_core.c | 1 + include/linux/power_supply.h | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c index 93007cb..569790e 100644 --- a/drivers/power/supply/power_supply_core.c +++ b/drivers/power/supply/power_supply_core.c @@ -1018,6 +1018,7 @@ __power_supply_register(struct device *parent, dev_set_drvdata(dev, psy); psy->desc = desc; if (cfg) { + dev->groups = cfg->attr_grp; psy->drv_data = cfg->drv_data; psy->of_node = cfg->fwnode ? to_of_node(cfg->fwnode) : cfg->of_node; diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 84fe93f..57b2ab8 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; }; -- 2.7.4