linux-kernel - RE: [char-msic 1/3] mei: me: disable driver on SPT SPS firmware

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Date:   Tue, 29 Nov 2016 19:21:43 +0000
From:   "Winkler, Tomas" <tomas.winkler@...el.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Usyskin, Alexander" <alexander.usyskin@...el.com>
Subject: RE: [char-msic 1/3] mei: me: disable driver on SPT SPS firmware

> 
> On Tue, Nov 29, 2016 at 02:44:44PM +0200, Tomas Winkler wrote:
> > commit 8c57cac1457f3125a5d13dc03635c0708c61bff0 upstream
> >
> > Sunrise Point PCH with SPS Firmware doesn't expose working MEI
> > interface, we need to quirk it out.
> > The SPS Firmware is identifiable only on the first PCI function of the
> > device.
> >
> > Cc: <stable@...r.kernel.org> #4.4
> > Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > ---
> >  drivers/misc/mei/hw-me.c  | 10 ++++++++--  drivers/misc/mei/pci-me.c
> > |  4 ++--
> >  2 files changed, 10 insertions(+), 4 deletions(-)
> 
> I don't understand what this is for, it's already in the 4.8-stable tree.  And there
> you said it only needed to go to 4.6 and newer, yet you are saying 4.4 here?
> What am I supposed to do?
> 

It's needed 4.4, but the original patch does apply cleanly only from 4.6 up, so this is the rebased version over 4.4. Since 4.4 is a long term kernel this is important.
I  see from time to time broken patches in stable,  mostly in 3.X series, so I prefer to do the back port myself. 

Thanks
Tomas