Messages in this thread | | | Date | Tue, 02 Oct 2012 08:34:41 +0800 | From | Ni zhan Chen <> | Subject | Re: [RFC v9 PATCH 06/21] memory-hotplug: export the function acpi_bus_remove() |
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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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