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power: supply: core: add power_supply_for_each_device()

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Introduce power_supply_for_each_device(), which is a wrapper
for class_for_each_device() using the power_supply_class and
going through all devices.

This allows making the power_supply_class itself a local
variable, so that drivers cannot mess with it and simplifies
the code slightly.

Reviewed-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240301-psy-class-cleanup-v1-1-aebe8c4b6b08@collabora.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
This commit is contained in:
Sebastian Reichel
2024-03-01 23:58:26 +01:00
parent 71c2cc5cbf
commit 68ade0976d
7 changed files with 22 additions and 30 deletions
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include/linux/power_supply.h
+1 -2
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@@ -894,8 +894,7 @@ extern int power_supply_powers(struct power_supply *psy, struct device *dev);
#define to_power_supply(device) container_of(device, struct power_supply, dev)
extern void *power_supply_get_drvdata(struct power_supply *psy);
/* For APM emulation, think legacy userspace. */
extern const struct class power_supply_class;
extern int power_supply_for_each_device(void *data, int (*fn)(struct device *dev, void *data));
static inline bool power_supply_is_amp_property(enum power_supply_property psp)
{