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21096800c5
Add and use wrapper functions for the sysfs interaction.
Restore the compatibility of CONFIG_POWER_SUPPLY=y and CONFIG_SYSFS=n.
Reported-by: Nathan Chancellor <nathan@kernel.org>
Closes: https://lore.kernel.org/lkml/20241218195229.GA2796534@ax162/
Fixes: 288a2cabcf ("power: supply: core: add UAPI to discover currently used extensions")
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20241219-psy-extensions-sysfs-v1-1-868fc6cb46d6@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Functions private to power supply class
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*
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* Copyright © 2007 Anton Vorontsov <cbou@mail.ru>
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* Copyright © 2004 Szabolcs Gyurko
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* Copyright © 2003 Ian Molton <spyro@f2s.com>
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*
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* Modified: 2004, Oct Szabolcs Gyurko
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*/
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#include <linux/lockdep.h>
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struct device;
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struct device_type;
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struct power_supply;
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extern int power_supply_property_is_writeable(struct power_supply *psy,
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enum power_supply_property psp);
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extern bool power_supply_has_property(struct power_supply *psy,
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enum power_supply_property psp);
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extern bool power_supply_ext_has_property(const struct power_supply_ext *ext,
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enum power_supply_property psp);
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struct power_supply_ext_registration {
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struct list_head list_head;
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const struct power_supply_ext *ext;
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struct device *dev;
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void *data;
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};
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/* Make sure that the macro is a single expression */
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#define power_supply_for_each_extension(pos, psy) \
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if ( ({ lockdep_assert_held(&(psy)->extensions_sem); 0; }) ) \
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; \
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else \
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list_for_each_entry(pos, &(psy)->extensions, list_head) \
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#ifdef CONFIG_SYSFS
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extern void __init power_supply_init_attrs(void);
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extern int power_supply_uevent(const struct device *dev, struct kobj_uevent_env *env);
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extern const struct attribute_group *power_supply_attr_groups[];
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extern int power_supply_sysfs_add_extension(struct power_supply *psy,
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const struct power_supply_ext *ext,
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struct device *dev);
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extern void power_supply_sysfs_remove_extension(struct power_supply *psy,
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const struct power_supply_ext *ext);
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#else
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static inline void power_supply_init_attrs(void) {}
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#define power_supply_attr_groups NULL
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#define power_supply_uevent NULL
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static inline int power_supply_sysfs_add_extension(struct power_supply *psy,
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const struct power_supply_ext *ext,
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struct device *dev)
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{ return 0; }
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static inline void power_supply_sysfs_remove_extension(struct power_supply *psy,
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const struct power_supply_ext *ext) {}
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#endif /* CONFIG_SYSFS */
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#ifdef CONFIG_LEDS_TRIGGERS
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extern void power_supply_update_leds(struct power_supply *psy);
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extern int power_supply_create_triggers(struct power_supply *psy);
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extern void power_supply_remove_triggers(struct power_supply *psy);
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#else
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static inline void power_supply_update_leds(struct power_supply *psy) {}
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static inline int power_supply_create_triggers(struct power_supply *psy)
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{ return 0; }
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static inline void power_supply_remove_triggers(struct power_supply *psy) {}
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#endif /* CONFIG_LEDS_TRIGGERS */
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#ifdef CONFIG_POWER_SUPPLY_HWMON
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int power_supply_add_hwmon_sysfs(struct power_supply *psy);
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void power_supply_remove_hwmon_sysfs(struct power_supply *psy);
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#else
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static inline int power_supply_add_hwmon_sysfs(struct power_supply *psy)
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{
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return 0;
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}
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static inline
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void power_supply_remove_hwmon_sysfs(struct power_supply *psy) {}
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#endif /* CONFIG_POWER_SUPPLY_HWMON */
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