Merge git://git.infradead.org/battery-2.6

* git://git.infradead.org/battery-2.6:
  git-battery vs git-acpi
  Power supply class and drivers: remove non obligatory return statements
  pda_power: clean up irq, timer
  MAINTAINERS: Add maintainers for power supply subsystem and drivers

Fixed up trivial conflict in drivers/w1/slaves/w1_ds2760.c manually

10 files changed, 20 insertions, 49 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 360eb581953b..391426977826 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2869,6 +2869,16 @@ M:	george@mvista.com
 L:      linux-kernel@vger.kernel.org
 S:      Supported
 
+POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS
+P:      Anton Vorontsov
+M:      cbou@mail.ru
+P:      David Woodhouse
+M:      dwmw2@infradead.org
+L:      linux-kernel@vger.kernel.org
+L:      kernel-discuss@handhelds.org
+T:      git git.infradead.org/battery-2.6.git
+S:      Maintained
+
 POWERPC 4xx EMAC DRIVER
 P:      Eugene Surovegin
 M:      ebs@ebshome.net
diff --git a/drivers/power/apm_power.c b/drivers/power/apm_power.c
index 042bd950d036..39a90a6f0f80 100644
--- a/drivers/power/apm_power.c
+++ b/drivers/power/apm_power.c
@@ -48,8 +48,6 @@ static void find_main_battery(void)
         }
         if (!main_battery)
                 main_battery = batm;
-
-        return;
 }
 
 static int calculate_time(int status)
@@ -218,7 +216,6 @@ static void apm_battery_apm_get_power_status(struct apm_power_info *info)
         }
 
         up(&power_supply_class->sem);
-        return;
 }
 
 static int __init apm_battery_init(void)
@@ -232,7 +229,6 @@ static int __init apm_battery_init(void)
 static void __exit apm_battery_exit(void)
 {
         apm_get_power_status = NULL;
-        return;
 }
 
 module_init(apm_battery_init);
diff --git a/drivers/power/ds2760_battery.c b/drivers/power/ds2760_battery.c
index 00e1ea6f1de2..be7021ee3611 100644
--- a/drivers/power/ds2760_battery.c
+++ b/drivers/power/ds2760_battery.c
@@ -254,8 +254,6 @@ static void ds2760_battery_update_status(struct ds2760_device_info *di)
 
         if (di->charge_status != old_charge_status)
                 power_supply_changed(&di->bat);
-
-        return;
 }
 
 static void ds2760_battery_work(struct work_struct *work)
@@ -268,8 +266,6 @@ static void ds2760_battery_work(struct work_struct *work)
 
         ds2760_battery_update_status(di);
         queue_delayed_work(di->monitor_wqueue, &di->monitor_work, interval);
-
-        return;
 }
 
 #define to_ds2760_device_info(x) container_of((x), struct ds2760_device_info, \
@@ -283,8 +279,6 @@ static void ds2760_battery_external_power_changed(struct power_supply *psy)
 
         cancel_delayed_work(&di->monitor_work);
         queue_delayed_work(di->monitor_wqueue, &di->monitor_work, HZ/10);
-
-        return;
 }
 
 static int ds2760_battery_get_property(struct power_supply *psy,
@@ -457,7 +451,6 @@ static int __init ds2760_battery_init(void)
 static void __exit ds2760_battery_exit(void)
 {
         platform_driver_unregister(&ds2760_battery_driver);
-        return;
 }
 
 module_init(ds2760_battery_init);
diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c
index 878684df7667..c998e68d060f 100644
--- a/drivers/power/olpc_battery.c
+++ b/drivers/power/olpc_battery.c
@@ -341,7 +341,6 @@ static void __exit olpc_bat_exit(void)
         power_supply_unregister(&olpc_bat);
         power_supply_unregister(&olpc_ac);
         platform_device_unregister(bat_pdev);
-        return;
 }
 
 module_init(olpc_bat_init);
diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
index 4e1eb040e148..c058f285be1a 100644
--- a/drivers/power/pda_power.c
+++ b/drivers/power/pda_power.c
@@ -97,36 +97,31 @@ static void update_charger(void)
                 dev_dbg(dev, "charger off\n");
                 pdata->set_charge(0);
         }
-
-        return;
 }
 
-static void supply_timer_func(unsigned long irq)
+static void supply_timer_func(unsigned long power_supply_ptr)
 {
-        if (ac_irq && irq == ac_irq->start)
-                power_supply_changed(&pda_power_supplies[0]);
-        else if (usb_irq && irq == usb_irq->start)
-                power_supply_changed(&pda_power_supplies[1]);
-        return;
+        void *power_supply = (void *)power_supply_ptr;
+
+        power_supply_changed(power_supply);
 }
 
-static void charger_timer_func(unsigned long irq)
+static void charger_timer_func(unsigned long power_supply_ptr)
 {
         update_charger();
 
         /* Okay, charger set. Now wait a bit before notifying supplicants,
          * charge power should stabilize. */
-        supply_timer.data = irq;
+        supply_timer.data = power_supply_ptr;
         mod_timer(&supply_timer,
                   jiffies + msecs_to_jiffies(pdata->wait_for_charger));
-        return;
 }
 
-static irqreturn_t power_changed_isr(int irq, void *unused)
+static irqreturn_t power_changed_isr(int irq, void *power_supply)
 {
         /* Wait a bit before reading ac/usb line status and setting charger,
          * because ac/usb status readings may lag from irq. */
-        charger_timer.data = irq;
+        charger_timer.data = (unsigned long)power_supply;
         mod_timer(&charger_timer,
                   jiffies + msecs_to_jiffies(pdata->wait_for_status));
         return IRQ_HANDLED;
@@ -252,7 +247,6 @@ static int __init pda_power_init(void)
 static void __exit pda_power_exit(void)
 {
         platform_driver_unregister(&pda_power_pdrv);
-        return;
 }
 
 module_init(pda_power_init);
diff --git a/drivers/power/pmu_battery.c b/drivers/power/pmu_battery.c
index 2fea4af0e40a..60a8cf3a0431 100644
--- a/drivers/power/pmu_battery.c
+++ b/drivers/power/pmu_battery.c
@@ -203,8 +203,6 @@ static void __exit pmu_bat_exit(void)
         }
         power_supply_unregister(&pmu_ac);
         platform_device_unregister(bat_pdev);
-
-        return;
 }
 
 module_init(pmu_bat_init);
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index e87ea5156755..a63b75cf75e2 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -46,8 +46,6 @@ static void power_supply_changed_work(struct work_struct *work)
         power_supply_update_leds(psy);
 
         kobject_uevent(&psy->dev->kobj, KOBJ_CHANGE);
-
-        return;
 }
 
 void power_supply_changed(struct power_supply *psy)
@@ -55,8 +53,6 @@ void power_supply_changed(struct power_supply *psy)
         dev_dbg(psy->dev, "%s\n", __FUNCTION__);
 
         schedule_work(&psy->changed_work);
-
-        return;
 }
 
 int power_supply_am_i_supplied(struct power_supply *psy)
@@ -129,7 +125,6 @@ void power_supply_unregister(struct power_supply *psy)
         power_supply_remove_triggers(psy);
         power_supply_remove_attrs(psy);
         device_unregister(psy->dev);
-        return;
 }
 
 static int __init power_supply_class_init(void)
@@ -147,7 +142,6 @@ static int __init power_supply_class_init(void)
 static void __exit power_supply_class_exit(void)
 {
         class_destroy(power_supply_class);
-        return;
 }
 
 EXPORT_SYMBOL_GPL(power_supply_changed);
diff --git a/drivers/power/power_supply_leds.c b/drivers/power/power_supply_leds.c
index 7232490bb595..7f8f3590b02e 100644
--- a/drivers/power/power_supply_leds.c
+++ b/drivers/power/power_supply_leds.c
@@ -40,8 +40,6 @@ static void power_supply_update_bat_leds(struct power_supply *psy)
                 led_trigger_event(psy->full_trig, LED_OFF);
                 break;
         }
-
-        return;
 }
 
 static int power_supply_create_bat_triggers(struct power_supply *psy)
@@ -97,7 +95,6 @@ static void power_supply_remove_bat_triggers(struct power_supply *psy)
         kfree(psy->full_trig_name);
         kfree(psy->charging_trig_name);
         kfree(psy->charging_full_trig_name);
-        return;
 }
 
 /* Generated power specific LEDs triggers. */
@@ -115,8 +112,6 @@ static void power_supply_update_gen_leds(struct power_supply *psy)
                 led_trigger_event(psy->online_trig, LED_FULL);
         else
                 led_trigger_event(psy->online_trig, LED_OFF);
-
-        return;
 }
 
 static int power_supply_create_gen_triggers(struct power_supply *psy)
@@ -145,7 +140,6 @@ static void power_supply_remove_gen_triggers(struct power_supply *psy)
 {
         led_trigger_unregister_simple(psy->online_trig);
         kfree(psy->online_trig_name);
-        return;
 }
 
 /* Choice what triggers to create&update. */
@@ -156,7 +150,6 @@ void power_supply_update_leds(struct power_supply *psy)
                 power_supply_update_bat_leds(psy);
         else
                 power_supply_update_gen_leds(psy);
-        return;
 }
 
 int power_supply_create_triggers(struct power_supply *psy)
@@ -172,5 +165,4 @@ void power_supply_remove_triggers(struct power_supply *psy)
                 power_supply_remove_bat_triggers(psy);
         else
                 power_supply_remove_gen_triggers(psy);
-        return;
 }
diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index c07d4258d347..c7c4574729b1 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -176,8 +176,6 @@ void power_supply_remove_attrs(struct power_supply *psy)
         for (i = 0; i < psy->num_properties; i++)
                 device_remove_file(psy->dev,
                             &power_supply_attrs[psy->properties[i]]);
-
-        return;
 }
 
 static char *kstruprdup(const char *str, gfp_t gfp)
diff --git a/drivers/w1/slaves/w1_ds2760.c b/drivers/w1/slaves/w1_ds2760.c
index 1f2b1a4d5fb3..ed6b0576208c 100644
--- a/drivers/w1/slaves/w1_ds2760.c
+++ b/drivers/w1/slaves/w1_ds2760.c
@@ -68,7 +68,8 @@ int w1_ds2760_write(struct device *dev, char *buf, int addr, size_t count)
         return w1_ds2760_io(dev, buf, addr, count, 1);
 }
 
-static ssize_t w1_ds2760_read_bin(struct kobject *kobj, struct bin_attribute *attr,
+static ssize_t w1_ds2760_read_bin(struct kobject *kobj,
+                                  struct bin_attribute *bin_attr,
                                   char *buf, loff_t off, size_t count)
 {
         struct device *dev = container_of(kobj, struct device, kobj);
@@ -121,8 +122,6 @@ static void release_bat_id(int id)
         mutex_lock(&bat_idr_lock);
         idr_remove(&bat_idr, id);
         mutex_unlock(&bat_idr_lock);
-
-        return;
 }
 
 static int w1_ds2760_add_slave(struct w1_slave *sl)
@@ -174,8 +173,6 @@ static void w1_ds2760_remove_slave(struct w1_slave *sl)
         platform_device_unregister(pdev);
         release_bat_id(id);
         sysfs_remove_bin_file(&sl->dev.kobj, &w1_ds2760_bin_attr);
-
-        return;
 }
 
 static struct w1_family_ops w1_ds2760_fops = {