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Message-Id: <1346837155-534-7-git-send-email-wency@cn.fujitsu.com>
Date:	Wed, 5 Sep 2012 17:25:40 +0800
From:	wency@...fujitsu.com
To:	x86@...nel.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-acpi@...r.kernel.org,
	linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
	linux-ia64@...r.kernel.org, cmetcalf@...era.com,
	sparclinux@...r.kernel.org
Cc:	rientjes@...gle.com, liuj97@...il.com, len.brown@...el.com,
	benh@...nel.crashing.org, paulus@...ba.org, cl@...ux.com,
	minchan.kim@...il.com, akpm@...ux-foundation.org,
	kosaki.motohiro@...fujitsu.com, isimatu.yasuaki@...fujitsu.com,
	Wen Congyang <wency@...fujitsu.com>
Subject: [RFC v9 PATCH 06/21] memory-hotplug: export the function acpi_bus_remove()

From: Wen Congyang <wency@...fujitsu.com>

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@...gle.com>
CC: Jiang Liu <liuj97@...il.com>
CC: Len Brown <len.brown@...el.com>
CC: Benjamin Herrenschmidt <benh@...nel.crashing.org>
CC: Paul Mackerras <paulus@...ba.org>
CC: Christoph Lameter <cl@...ux.com>
Cc: Minchan Kim <minchan.kim@...il.com>
CC: Andrew Morton <akpm@...ux-foundation.org>
CC: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
Signed-off-by: Wen Congyang <wency@...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);
-- 
1.7.1

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