Patchwork [RFC,4/8] memory-hotplug: export the function acpi_bus_remove()

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Submitter Wen Congyang
Date July 20, 2012, 7:11 a.m.
Message ID <>
Download mbox | patch
Permalink /patch/172141/
State Not Applicable
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Wen Congyang - July 20, 2012, 7:11 a.m.
The function acpi_bus_remove() can remove a acpi device from acpi device.
When a acpi device is removed, we need to call this function to remove
the acpi device from acpi bus. So export this function.

CC: David Rientjes <>
CC: Jiang Liu <>
CC: Len Brown <>
CC: Benjamin Herrenschmidt <>
CC: Paul Mackerras <>
CC: Christoph Lameter <>
Cc: Minchan Kim <>
CC: Andrew Morton <>
CC: KOSAKI Motohiro <>
CC: Yasuaki Ishimatsu <>
Signed-off-by: Wen Congyang <>
 drivers/acpi/scan.c     |    3 ++-
 include/acpi/acpi_bus.h |    1 +
 2 files changed, 3 insertions(+), 1 deletions(-)


diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index c8a1f3b..d5e8d74 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1206,7 +1206,7 @@  static int acpi_device_set_context(struct acpi_device *device)
 	return -ENODEV;
-static int acpi_bus_remove(struct acpi_device *dev, int rmdevice)
+int acpi_bus_remove(struct acpi_device *dev, int rmdevice)
 	if (!dev)
 		return -EINVAL;
@@ -1228,6 +1228,7 @@  static int acpi_bus_remove(struct acpi_device *dev, int rmdevice)
 	return 0;
 static int acpi_add_single_object(struct acpi_device **child,
 				  acpi_handle handle, int type,
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 9e6e1c6..3eb0ba7 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -356,6 +356,7 @@  bool acpi_bus_power_manageable(acpi_handle handle);
 bool acpi_bus_can_wakeup(acpi_handle handle);
 int acpi_power_resource_register_device(struct device *dev, acpi_handle handle);
 void acpi_power_resource_unregister_device(struct device *dev, acpi_handle handle);
+int acpi_bus_remove(struct acpi_device *dev, int rmdevice);
 int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data);
 int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data);