Messages in this thread Patch in this message | | | Date | Fri, 20 Jul 2012 15:11:10 +0800 | From | Wen Congyang <> | Subject | [RFC PATCH 4/8] memory-hotplug: export the function acpi_bus_remove() |
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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@google.com> CC: Jiang Liu <liuj97@gmail.com> CC: Len Brown <len.brown@intel.com> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: Paul Mackerras <paulus@samba.org> CC: Christoph Lameter <cl@linux.com> Cc: Minchan Kim <minchan.kim@gmail.com> CC: Andrew Morton <akpm@linux-foundation.org> CC: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> CC: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> --- 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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