From: Wen Congyang <wency@xxxxxxxxxxxxxx>
The function acpi_bus_remove() can remove a acpi device from acpi bus.
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: Len Brown <len.brown@xxxxxxxxx>
Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>
---
drivers/acpi/scan.c | 3 ++-
include/acpi/acpi_bus.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
Index: linux-3.6/drivers/acpi/scan.c
===================================================================
--- linux-3.6.orig/drivers/acpi/scan.c 2012-10-03 18:16:57.206246798 +0900
+++ linux-3.6/drivers/acpi/scan.c 2012-10-03 18:17:49.974249714 +0900
@@ -1224,7 +1224,7 @@ static int acpi_device_set_context(struc
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;
@@ -1246,6 +1246,7 @@ static int acpi_bus_remove(struct acpi_d
return 0;
}
+EXPORT_SYMBOL(acpi_bus_remove);
static int acpi_add_single_object(struct acpi_device **child,
acpi_handle handle, int type,
Index: linux-3.6/include/acpi/acpi_bus.h
===================================================================
--- linux-3.6.orig/include/acpi/acpi_bus.h 2012-10-03 18:16:57.208246800 +0900
+++ linux-3.6/include/acpi/acpi_bus.h 2012-10-03 18:17:49.976249717 +0900
@@ -360,6 +360,7 @@ bool acpi_bus_power_manageable(acpi_hand
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);
#ifdef CONFIG_ACPI_PROC_EVENT
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);
--
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