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power_supply core: support use of devres to register/unregister a power supply.

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Using devm_power_supply_register allows the unregister to happen
automatically on error or final put.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
NeilBrown
2015-02-24 15:33:50 +11:00
committed by Sebastian Reichel
parent 881f985a25
commit 5d8a4219a0
2 changed files with 49 additions and 0 deletions
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4
include/linux/power_supply.h
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@@ -278,6 +278,10 @@ extern int power_supply_register(struct device *parent,
struct power_supply *psy);
extern int power_supply_register_no_ws(struct device *parent,
struct power_supply *psy);
extern int devm_power_supply_register(struct device *parent,
struct power_supply *psy);
extern int devm_power_supply_register_no_ws(struct device *parent,
struct power_supply *psy);
extern void power_supply_unregister(struct power_supply *psy);
extern int power_supply_powers(struct power_supply *psy, struct device *dev);