Re: [PATCH 4.4.y] ACPICA: acpi_get_sleep_type_data: Reduce warnings

[Greg KH <gregkh@linuxfoundation.org>]

On Tue, Sep 27, 2016 at 06:08:31PM -0400, Charles (Chas) Williams wrote:
> From: Prarit Bhargava <prarit@redhat.com>
> 
> commit a59b679ab85635737947310323f2f2bcfa0664a7 upstream.
> 
> ACPICA commit 7bb77313091e52a846df4c9c2bea90be31bfb9d8
> 
> Eliminate warnings for "not found" _Sx errors, since these
> are optional. Original NOT_FOUND status is still returned.
> 
> Original changes by Prarit Bhargava.
> ACPICA BZ 1208.
> 
> Link: https://github.com/acpica/acpica/commit/7bb77313
> Link: https://bugs.acpica.org/show_bug.cgi?id=1208
> Signed-off-by: Prarit Bhargava <prarit@redhat.com>
> Signed-off-by: Bob Moore <robert.moore@intel.com>
> Signed-off-by: Lv Zheng <lv.zheng@intel.com>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Signed-off-by: Chas Williams <ciwillia@brocade.com>
> ---
>  drivers/acpi/acpica/hwxface.c | 24 +++++++++++++++++-------
>  1 file changed, 17 insertions(+), 7 deletions(-)

Why is this a patch needed for 4.4-stable?  What is it solving?  It
looks like it just maybe reduces some warning messages in the kernel
log?

I need an ack from the ACPI maintainers before I can take such a
thing...

thanks,

greg k-h