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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-01-24 12:50:09 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-01-24 12:50:09 +0100
commitb1c0f99bfb89cd9b42e3119ab822a8102fa87909 (patch)
tree4a6f07a25ca239bb579cc583c67b92ab451d40b7 /include/acpi
parent836aedb1414d4724b2ec68dd19810960c593720c (diff)
ACPI / PM: Expose current status of ACPI power resources
Since ACPI power resources are going to be used more extensively on new hardware platforms, it becomes necessary for user space (powertop in particular) to observe some properties of those resources for diagnostics purposes. For this reason, expose the current status of each ACPI power resource to user space via sysfs by adding a new resource_in_use attribute to the sysfs directory representing the given power resource. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/acpi')
-rw-r--r--include/acpi/acpi_bus.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index fca1b9cb27d9..aef56a9f4e70 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -280,6 +280,7 @@ struct acpi_device {
struct mutex physical_node_lock;
DECLARE_BITMAP(physical_node_id_bitmap, ACPI_MAX_PHYSICAL_NODE);
struct list_head power_dependent;
+ void (*remove)(struct acpi_device *);
};
static inline void *acpi_driver_data(struct acpi_device *d)