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path: root/drivers/acpi/battery.c
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Diffstat (limited to 'drivers/acpi/battery.c')
-rw-r--r--drivers/acpi/battery.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 75f39f2..dc58402 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -32,6 +32,7 @@
#include <linux/jiffies.h>
#include <linux/async.h>
#include <linux/dmi.h>
+#include <linux/slab.h>
#ifdef CONFIG_ACPI_PROCFS_POWER
#include <linux/proc_fs.h>
@@ -567,13 +568,13 @@ static int acpi_battery_update(struct acpi_battery *battery)
result = acpi_battery_get_status(battery);
if (result)
return result;
-#ifdef CONFIG_ACPI_SYSFS_POWER
if (!acpi_battery_present(battery)) {
+#ifdef CONFIG_ACPI_SYSFS_POWER
sysfs_remove_battery(battery);
+#endif
battery->update_time = 0;
return 0;
}
-#endif
if (!battery->update_time ||
old_present != acpi_battery_present(battery)) {
result = acpi_battery_get_info(battery);
@@ -867,9 +868,15 @@ static void acpi_battery_remove_fs(struct acpi_device *device)
static void acpi_battery_notify(struct acpi_device *device, u32 event)
{
struct acpi_battery *battery = acpi_driver_data(device);
+#ifdef CONFIG_ACPI_SYSFS_POWER
+ struct device *old;
+#endif
if (!battery)
return;
+#ifdef CONFIG_ACPI_SYSFS_POWER
+ old = battery->bat.dev;
+#endif
acpi_battery_update(battery);
acpi_bus_generate_proc_event(device, event,
acpi_battery_present(battery));
@@ -878,8 +885,8 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event)
acpi_battery_present(battery));
#ifdef CONFIG_ACPI_SYSFS_POWER
/* acpi_battery_update could remove power_supply object */
- if (battery->bat.dev)
- kobject_uevent(&battery->bat.dev->kobj, KOBJ_CHANGE);
+ if (old && battery->bat.dev)
+ power_supply_changed(&battery->bat);
#endif
}