PCI ACPI: Rework PCI handling of wake-up

[linux-2.6-omap-h63xx.git] / drivers / acpi / bus.c

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index ce3c0a2cbac4dc81e9c5ff2712b100ec8a942b46..fc1110d6a0787a5d2da8e85b0fe3b9e7b15c6fa8 100644 (file)
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -35,6 +35,7 @@
 #ifdef CONFIG_X86
 #include <asm/mpspec.h>
 #endif
+#include <linux/pci.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 
@@ -294,6 +295,28 @@ int acpi_bus_set_power(acpi_handle handle, int state)
 
 EXPORT_SYMBOL(acpi_bus_set_power);
 
+bool acpi_bus_power_manageable(acpi_handle handle)
+{
+       struct acpi_device *device;
+       int result;
+
+       result = acpi_bus_get_device(handle, &device);
+       return result ? false : device->flags.power_manageable;
+}
+
+EXPORT_SYMBOL(acpi_bus_power_manageable);
+
+bool acpi_bus_can_wakeup(acpi_handle handle)
+{
+       struct acpi_device *device;
+       int result;
+
+       result = acpi_bus_get_device(handle, &device);
+       return result ? false : device->wakeup.flags.valid;
+}
+
+EXPORT_SYMBOL(acpi_bus_can_wakeup);
+
 /* --------------------------------------------------------------------------
                                 Event Management
    -------------------------------------------------------------------------- */
@@ -373,10 +396,11 @@ int acpi_bus_receive_event(struct acpi_bus_event *event)
        }
 
        spin_lock_irqsave(&acpi_bus_event_lock, flags);
-       entry =
-           list_entry(acpi_bus_event_list.next, struct acpi_bus_event, node);
-       if (entry)
+       if (!list_empty(&acpi_bus_event_list)) {
+               entry = list_entry(acpi_bus_event_list.next,
+                                  struct acpi_bus_event, node);
                list_del(&entry->node);
+       }
        spin_unlock_irqrestore(&acpi_bus_event_lock, flags);
 
        if (!entry)
@@ -776,13 +800,14 @@ static int __init acpi_init(void)
 
        acpi_kobj = kobject_create_and_add("acpi", firmware_kobj);
        if (!acpi_kobj) {
-               printk(KERN_WARNING "%s: kset create error\n", __FUNCTION__);
+               printk(KERN_WARNING "%s: kset create error\n", __func__);
                acpi_kobj = NULL;
        }
 
        result = acpi_bus_init();
 
        if (!result) {
+               pci_mmcfg_late_init();
                if (!(pm_flags & PM_APM))
                        pm_flags |= PM_ACPI;
                else {