linux-kernel - Re: [PATCH 4.3 041/200] spi: omap2-mcspi: disable other channels CHCONF_FORCE in prepare

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Date:	Mon, 15 Feb 2016 12:50:41 -0600
From:	Michael Welling <mwelling@...e.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Neil Armstrong <narmstrong@...libre.com>,
	Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH 4.3 041/200] spi: omap2-mcspi: disable other channels
 CHCONF_FORCE in prepare_message

On Mon, Feb 15, 2016 at 10:15:08AM -0800, Greg Kroah-Hartman wrote:
> On Sun, Feb 14, 2016 at 09:08:50PM -0600, Michael Welling wrote:
> > On Sun, Feb 14, 2016 at 03:17:36PM -0800, Greg Kroah-Hartman wrote:
> > > On Sun, Feb 14, 2016 at 04:50:47PM -0600, Michael Welling wrote:
> > > > On Sun, Feb 14, 2016 at 02:20:48PM -0800, Greg Kroah-Hartman wrote:
> > > > > 4.3-stable review patch.  If anyone has any objections, please let me know.
> > > > >
> > > > 
> > > > If not planned it should be considered that we include the latest two
> > > > commits to spi-omap2-mcpsi into stable as well.
> > > > 
> > > > spi: omap2-mcspi: Prevent duplicate gpio_request
> > > > spi: omap2-mcspi: Add calls for pinctrl state select 
> > > > 
> > > > Let me know if I need to do anything to make this happen.
> > > 
> > > What are the git commit ids of them?
> > 
> > commit 2f538c017e1a8620d19553931199c6d6a6d31bb2
> > Author: Michael Welling <mwelling@...e.org>
> > Date:   Mon Nov 30 09:02:39 2015 -0600
> > 
> >     spi: omap2-mcspi: Prevent duplicate gpio_request
> >     
> >     Occasionally the setup function will be called multiple times. Only request
> >     the gpio the first time otherwise -EBUSY will occur on subsequent calls to
> >     setup.
> >     
> >     Reported-by: Joseph Bell <joe@...hieved.it>
> >     
> >     Signed-off-by: Michael Welling <mwelling@...e.org>
> >     Signed-off-by: Mark Brown <broonie@...nel.org>
> 
> That seems reasonable but:
> 
> > commit beca365565d8f8912dce67567f54ad4c71734843
> > Author: Pascal Huerst <pascal.huerst@...il.com>
> > Date:   Thu Nov 19 16:18:28 2015 +0100
> > 
> >     spi: omap2-mcspi: Add calls for pinctrl state select
> >     
> >     This adds calls to pinctrl subsystem in order to switch pin states
> >     on suspend/resume if you provide a "sleep" state in DT.
> >     
> >     If no "sleep" state is provided in DT, these calls turn
> >     to NOPs.
> >     
> >     Signed-off-by: Pascal Huerst <pascal.huerst@...il.com>
> >     Signed-off-by: Mark Brown <broonie@...nel.org>
> 
> That looks like a new feature being added.
> 
> > > What stable tree(s) do you want
> > > them applied to?
> > 
> > v4.3, v4.4
> 
> 4.3 is now end-of-life with this release, can you live with these just
> in 4.4-stable instead?

v4.4 stable is good enough.

Let me know what needs to be done if anything.

> 
> thanks,
> 
> greg k-h