Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...

[safe/jmp/linux-2.6] / drivers / acpi / bus.c

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index a54234d..5b6760e 100644 (file)
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -29,9 +29,9 @@
 #include <linux/list.h>
 #include <linux/sched.h>
 #include <linux/pm.h>
-#include <linux/pm_legacy.h>
 #include <linux/device.h>
 #include <linux/proc_fs.h>
+#include <linux/acpi.h>
 #ifdef CONFIG_X86
 #include <asm/mpspec.h>
 #endif
@@ -40,9 +40,6 @@
 
 #define _COMPONENT             ACPI_BUS_COMPONENT
 ACPI_MODULE_NAME("bus");
-#ifdef CONFIG_X86
-extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger);
-#endif
 
 struct acpi_device *acpi_root;
 struct proc_dir_entry *acpi_root_dir;
@@ -123,6 +120,31 @@ int acpi_bus_get_status(struct acpi_device *device)
 
 EXPORT_SYMBOL(acpi_bus_get_status);
 
+void acpi_bus_private_data_handler(acpi_handle handle,
+                                  u32 function, void *context)
+{
+       return;
+}
+EXPORT_SYMBOL(acpi_bus_private_data_handler);
+
+int acpi_bus_get_private_data(acpi_handle handle, void **data)
+{
+       acpi_status status = AE_OK;
+
+       if (!*data)
+               return -EINVAL;
+
+       status = acpi_get_data(handle, acpi_bus_private_data_handler, data);
+       if (ACPI_FAILURE(status) || !*data) {
+               ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No context for object [%p]\n",
+                               handle));
+               return -ENODEV;
+       }
+
+       return 0;
+}
+EXPORT_SYMBOL(acpi_bus_get_private_data);
+
 /* --------------------------------------------------------------------------
                                  Power Management
    -------------------------------------------------------------------------- */
@@ -194,15 +216,13 @@ int acpi_bus_set_power(acpi_handle handle, int state)
 
        if (!device->flags.power_manageable) {
                ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device `[%s]' is not power manageable\n",
-                               device->dev.kobj.name));
+                               kobject_name(&device->dev.kobj)));
                return -ENODEV;
        }
        /*
-        * Get device's current power state if it's unknown
-        * This means device power state isn't initialized or previous setting failed
+        * Get device's current power state
         */
-       if ((device->power.state == ACPI_STATE_UNKNOWN) || device->flags.force_power_state)
-               acpi_bus_get_power(device->handle, &device->power.state);
+       acpi_bus_get_power(device->handle, &device->power.state);
        if ((state == device->power.state) && !device->flags.force_power_state) {
                ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n",
                                  state));
@@ -262,10 +282,12 @@ int acpi_bus_set_power(acpi_handle handle, int state)
                printk(KERN_WARNING PREFIX
                              "Transitioning device [%s] to D%d\n",
                              device->pnp.bus_id, state);
-       else
+       else {
+               device->power.state = state;
                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                  "Device [%s] transitioned to D%d\n",
                                  device->pnp.bus_id, state));
+       }
 
        return result;
 }
@@ -367,7 +389,6 @@ int acpi_bus_receive_event(struct acpi_bus_event *event)
        return 0;
 }
 
-EXPORT_SYMBOL(acpi_bus_receive_event);
 #endif /* CONFIG_ACPI_PROC_EVENT */
 
 /* --------------------------------------------------------------------------
@@ -630,8 +651,6 @@ void __init acpi_early_init(void)
 
 #ifdef CONFIG_X86
        if (!acpi_ioapic) {
-               extern u8 acpi_sci_flags;
-
                /* compatible (0) means level (3) */
                if (!(acpi_sci_flags & ACPI_MADT_TRIGGER_MASK)) {
                        acpi_sci_flags &= ~ACPI_MADT_TRIGGER_MASK;
@@ -641,7 +660,6 @@ void __init acpi_early_init(void)
                acpi_pic_sci_set_trigger(acpi_gbl_FADT.sci_interrupt,
                                         (acpi_sci_flags & ACPI_MADT_TRIGGER_MASK) >> 2);
        } else {
-               extern int acpi_sci_override_gsi;
                /*
                 * now that acpi_gbl_FADT is initialized,
                 * update it with result from INT_SRC_OVR parsing
@@ -744,7 +762,7 @@ static int __init acpi_bus_init(void)
        return -ENODEV;
 }
 
-decl_subsys(acpi, NULL, NULL);
+struct kobject *acpi_kobj;
 
 static int __init acpi_init(void)
 {
@@ -756,24 +774,23 @@ static int __init acpi_init(void)
                return -ENODEV;
        }
 
-       result = firmware_register(&acpi_subsys);
-       if (result < 0)
-               printk(KERN_WARNING "%s: firmware_register error: %d\n",
-                       __FUNCTION__, result);
+       acpi_kobj = kobject_create_and_add("acpi", firmware_kobj);
+       if (!acpi_kobj) {
+               printk(KERN_WARNING "%s: kset create error\n", __func__);
+               acpi_kobj = NULL;
+       }
 
        result = acpi_bus_init();
 
        if (!result) {
-#ifdef CONFIG_PM_LEGACY
-               if (!PM_IS_ACTIVE())
-                       pm_active = 1;
+               if (!(pm_flags & PM_APM))
+                       pm_flags |= PM_ACPI;
                else {
                        printk(KERN_INFO PREFIX
                               "APM is already active, exiting\n");
                        disable_acpi();
                        result = -ENODEV;
                }
-#endif
        } else
                disable_acpi();