Re: [PATCH 2/2] acpi,memory-hotplug : call acpi_bus_remo() to removememory device

From: Yinghai Lu
Date: Wed Oct 03 2012 - 22:41:10 EST


On Wed, Oct 3, 2012 at 6:48 PM, Yasuaki Ishimatsu
<isimatu.yasuaki@xxxxxxxxxxxxxx> wrote:
> From: Wen Congyang <wency@xxxxxxxxxxxxxx>
>
> The memory device has been ejected and powoffed, so we can call
> acpi_bus_remove() to remove the memory device from acpi bus.
>
> CC: Len Brown <len.brown@xxxxxxxxx>
> Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
> Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>
> ---
> drivers/acpi/acpi_memhotplug.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> Index: linux-3.6/drivers/acpi/acpi_memhotplug.c
> ===================================================================
> --- linux-3.6.orig/drivers/acpi/acpi_memhotplug.c 2012-10-03 18:17:47.802249170 +0900
> +++ linux-3.6/drivers/acpi/acpi_memhotplug.c 2012-10-03 18:17:52.471250299 +0900
> @@ -424,8 +424,9 @@ static void acpi_memory_device_notify(ac
> }
>
> /*
> - * TBD: Invoke acpi_bus_remove to cleanup data structures
> + * Invoke acpi_bus_remove() to remove memory device
> */
> + acpi_bus_remove(device, 1);

why not using acpi_bus_trim instead?

Yinghai
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