Merge branch 'master' into tk71

[mv-sheeva.git] / drivers / acpi / ac.c

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 56205a0b85dfc60eb3dc85def0a7432639ea0142..58c3f74bd84cb2158bdd4a69e49931cee33c2ede 100644 (file)
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -32,9 +32,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #endif
-#ifdef CONFIG_ACPI_SYSFS_POWER
 #include <linux/power_supply.h>
-#endif
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 
@@ -86,9 +84,7 @@ static struct acpi_driver acpi_ac_driver = {
 };
 
 struct acpi_ac {
-#ifdef CONFIG_ACPI_SYSFS_POWER
        struct power_supply charger;
-#endif
        struct acpi_device * device;
        unsigned long long state;
 };
@@ -104,26 +100,7 @@ static const struct file_operations acpi_ac_fops = {
        .release = single_release,
 };
 #endif
-#ifdef CONFIG_ACPI_SYSFS_POWER
-static int get_ac_property(struct power_supply *psy,
-                          enum power_supply_property psp,
-                          union power_supply_propval *val)
-{
-       struct acpi_ac *ac = to_acpi_ac(psy);
-       switch (psp) {
-       case POWER_SUPPLY_PROP_ONLINE:
-               val->intval = ac->state;
-               break;
-       default:
-               return -EINVAL;
-       }
-       return 0;
-}
 
-static enum power_supply_property ac_props[] = {
-       POWER_SUPPLY_PROP_ONLINE,
-};
-#endif
 /* --------------------------------------------------------------------------
                                AC Adapter Management
    -------------------------------------------------------------------------- */
@@ -146,6 +123,35 @@ static int acpi_ac_get_state(struct acpi_ac *ac)
        return 0;
 }
 
+/* --------------------------------------------------------------------------
+                            sysfs I/F
+   -------------------------------------------------------------------------- */
+static int get_ac_property(struct power_supply *psy,
+                          enum power_supply_property psp,
+                          union power_supply_propval *val)
+{
+       struct acpi_ac *ac = to_acpi_ac(psy);
+
+       if (!ac)
+               return -ENODEV;
+
+       if (acpi_ac_get_state(ac))
+               return -ENODEV;
+
+       switch (psp) {
+       case POWER_SUPPLY_PROP_ONLINE:
+               val->intval = ac->state;
+               break;
+       default:
+               return -EINVAL;
+       }
+       return 0;
+}
+
+static enum power_supply_property ac_props[] = {
+       POWER_SUPPLY_PROP_ONLINE,
+};
+
 #ifdef CONFIG_ACPI_PROCFS_POWER
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
@@ -191,7 +197,8 @@ static int acpi_ac_add_fs(struct acpi_device *device)
 {
        struct proc_dir_entry *entry = NULL;
 
-
+       printk(KERN_WARNING PREFIX "Deprecated procfs I/F for AC is loaded,"
+                       " please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
        if (!acpi_device_dir(device)) {
                acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
                                                     acpi_ac_dir);
@@ -247,9 +254,7 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event)
                                                  dev_name(&device->dev), event,
                                                  (u32) ac->state);
                acpi_notifier_call_chain(device, event, (u32) ac->state);
-#ifdef CONFIG_ACPI_SYSFS_POWER
                kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
-#endif
        }
 
        return;
@@ -282,14 +287,12 @@ static int acpi_ac_add(struct acpi_device *device)
 #endif
        if (result)
                goto end;
-#ifdef CONFIG_ACPI_SYSFS_POWER
        ac->charger.name = acpi_device_bid(device);
        ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
        ac->charger.properties = ac_props;
        ac->charger.num_properties = ARRAY_SIZE(ac_props);
        ac->charger.get_property = get_ac_property;
        power_supply_register(&ac->device->dev, &ac->charger);
-#endif
 
        printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
               acpi_device_name(device), acpi_device_bid(device),
@@ -316,10 +319,8 @@ static int acpi_ac_resume(struct acpi_device *device)
        old_state = ac->state;
        if (acpi_ac_get_state(ac))
                return 0;
-#ifdef CONFIG_ACPI_SYSFS_POWER
        if (old_state != ac->state)
                kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
-#endif
        return 0;
 }
 
@@ -333,10 +334,8 @@ static int acpi_ac_remove(struct acpi_device *device, int type)
 
        ac = acpi_driver_data(device);
 
-#ifdef CONFIG_ACPI_SYSFS_POWER
        if (ac->charger.dev)
                power_supply_unregister(&ac->charger);
-#endif
 #ifdef CONFIG_ACPI_PROCFS_POWER
        acpi_ac_remove_fs(device);
 #endif