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 <rientjes@xxxxxxxxxx>
CC: Jiang Liu <liuj97@xxxxxxxxx>
CC: Len Brown <len.brown@xxxxxxxxx>
CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
CC: Paul Mackerras <paulus@xxxxxxxxx>
CC: Christoph Lameter <cl@xxxxxxxxx>
Cc: Minchan Kim <minchan.kim@xxxxxxxxx>
CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
CC: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
CC: 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 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;
}
+EXPORT_SYMBOL(acpi_bus_remove);
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);
#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);
--
1.7.1
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