linux-kernel - Re: [PATCH v1 1/1] mfd: intel-lpss: save register context on suspend

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Date:	Tue, 8 Mar 2016 14:54:21 +0700
From:	Lee Jones <lee.jones@...aro.org>
To:	Andy Shevchenko <andy.shevchenko@...il.com>
Cc:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: Re: [PATCH v1 1/1] mfd: intel-lpss: save register context on suspend

On Tue, 08 Mar 2016, Andy Shevchenko wrote:

> On Tue, Mar 8, 2016 at 6:48 AM, Lee Jones <lee.jones@...aro.org> wrote:
> > On Tue, 26 Jan 2016, Andy Shevchenko wrote:
> >
> >> From: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> >>
> >> All configurations are lost and the registers will have
> >> default values when the hardware is suspended and resumed,
> >> so saving the private register space context on suspend, and
> >> restoring it on resume.
> >>
> >> Fixes: 4b45efe85263 (mfd: Add support for Intel Sunrisepoint LPSS devices)
> >
> > I'd say this sumbission is more of a functional extention than a
> > bug-fix.  No real need for this statement.
> 
> But we would like send it later to stable@ to have this back ported.

Yes, I see.

Although, as it "fixes" a first submission, my personal preference
would be a:

  Cc: stable@...r.kernel.org # v4.{whatever}

.. tag instead.

> >> Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> >> Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
> >
> > Did it really take 2 of you to write this patch?
> 
> It's probably my mistake, since I took this one from Mika's tree and
> kept his SoB.

No problem.

Please omit his SoB when upstreaming patches from BSP trees.

> >> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> >> ---
> >>  drivers/mfd/intel-lpss.c | 19 ++++++++++++++++++-
> >>  1 file changed, 18 insertions(+), 1 deletion(-)
> >
> > Code looks okay though:
> >   Acked-by: Lee Jones <lee.jones@...aro.org>
> 
> Thanks.
> 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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