If the of_node name of the supply is available from the devicetree binding
then include it under the var POWER_SUPPLY_OF_NODE_NAME.
This helps where a consistent name is known via the device tree binding
but it is hard to identify based on the usual enumeration process.
Signed-off-by: Richard Tresidder <rtres...@electromag.com.au>
---
Notes:
power/supply/powersupply_sysfs: Add of_node name to uevent message if
available
If the of_node name of the supply is available from the devicetree binding
then include it under the var POWER_SUPPLY_OF_NODE_NAME.
This helps where a consistent name is known via the device tree binding
but it is hard to identify based on the usual enumeration process.
drivers/power/supply/power_supply_sysfs.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/power/supply/power_supply_sysfs.c
b/drivers/power/supply/power_supply_sysfs.c
index f37ad4e..ce6671c 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -395,6 +395,13 @@ int power_supply_uevent(struct device *dev, struct
kobj_uevent_env *env)
if (ret)
return ret;
+ if (psy->of_node) {
+ ret = add_uevent_var(env, "POWER_SUPPLY_OF_NODE_NAME=%s",
+ psy->of_node->name);
+ if (ret)
+ return ret;
+ }
+
prop_buf = (char *)get_zeroed_page(GFP_KERNEL);
if (!prop_buf)
return -ENOMEM;
--
1.8.3.1
