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SubjectRe: [RFC v9 PATCH 06/21] memory-hotplug: export the function acpi_bus_remove()
On 09/05/2012 05:25 PM, wency@cn.fujitsu.com wrote:
> From: Wen Congyang <wency@cn.fujitsu.com>
>
> The function acpi_bus_remove() can remove a acpi device from acpi device.

IIUC, s/acpi device/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: 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 d1ecca2..1cefc34 100644
> --- a/drivers/acpi/scan.c
> +++ b/drivers/acpi/scan.c
> @@ -1224,7 +1224,7 @@ 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;
> @@ -1246,6 +1246,7 @@ 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 bde976e..2ccf109 100644
> --- a/include/acpi/acpi_bus.h
> +++ b/include/acpi/acpi_bus.h
> @@ -360,6 +360,7 @@ 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);



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