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Diffstat (limited to 'include/linux/power_supply.h')
-rw-r--r--include/linux/power_supply.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 75a1dd8dc56e..ef9f1592185d 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -206,6 +206,11 @@ struct power_supply_desc {
int (*set_property)(struct power_supply *psy,
enum power_supply_property psp,
const union power_supply_propval *val);
+ /*
+ * property_is_writeable() will be called during registration
+ * of power supply. If this happens during device probe then it must
+ * not access internal data of device (because probe did not end).
+ */
int (*property_is_writeable)(struct power_supply *psy,
enum power_supply_property psp);
void (*external_power_changed)(struct power_supply *psy);
@@ -237,6 +242,7 @@ struct power_supply {
/* private */
struct device dev;
struct work_struct changed_work;
+ struct delayed_work deferred_register_work;
spinlock_t changed_lock;
bool changed;
atomic_t use_cnt;
@@ -286,10 +292,15 @@ extern void power_supply_put(struct power_supply *psy);
#ifdef CONFIG_OF
extern struct power_supply *power_supply_get_by_phandle(struct device_node *np,
const char *property);
+extern struct power_supply *devm_power_supply_get_by_phandle(
+ struct device *dev, const char *property);
#else /* !CONFIG_OF */
static inline struct power_supply *
power_supply_get_by_phandle(struct device_node *np, const char *property)
{ return NULL; }
+static inline struct power_supply *
+devm_power_supply_get_by_phandle(struct device *dev, const char *property)
+{ return NULL; }
#endif /* CONFIG_OF */
extern void power_supply_changed(struct power_supply *psy);
extern int power_supply_am_i_supplied(struct power_supply *psy);