Re: [PATCH v4 0/4] pwm: add support for ChromeOS EC PWM

From: Thierry Reding <thierry.reding@gmail.com>
To: Lee Jones <lee.jones@linaro.org>
Cc: Brian Norris <briannorris@chromium.org>,
	Olof Johansson <olof@lixom.net>,
	linux-kernel@vger.kernel.org,
	Doug Anderson <dianders@chromium.org>,
	Brian Norris <computersforpeace@gmail.com>,
	linux-pwm@vger.kernel.org, devicetree@vger.kernel.org,
	Boris Brezillon <boris.brezillon@free-electrons.com>,
	Stephen Barber <smbarber@chromium.org>,
	Javier Martinez Canillas <javier@osg.samsung.com>,
	Benson Leung <bleung@chromium.org>,
	Enric Balletbo <enric.balletbo@collabora.co.uk>,
	Randall Spangler <rspangler@chromium.org>,
	Shawn Nematbakhsh <shawnn@chromium.org>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Todd Broch <tbroch@chromium.org>,
	Gwendal Grignou <gwendal@chromium.org>,
	Tomeu Vizoso <tomeu.vizoso@collabora.com>
Subject: Re: [PATCH v4 0/4] pwm: add support for ChromeOS EC PWM
Date: Mon, 18 Jul 2016 16:04:00 +0200	[thread overview]
Message-ID: <20160718140400.GA22297@ulmo.ba.sec> (raw)
In-Reply-To: <20160718132426.GB17074@dell>

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On Mon, Jul 18, 2016 at 02:24:26PM +0100, Lee Jones wrote:
> On Mon, 18 Jul 2016, Thierry Reding wrote:
> 
> > On Mon, Jul 18, 2016 at 09:49:28AM +0100, Lee Jones wrote:
> > > On Fri, 15 Jul 2016, Brian Norris wrote:
> > > > This is the 4th (and final?) version of my series to support the new ChromeOS
> > > > EC PWM API, so we can control, e.g., a PWM backlight when its PWM is attached
> > > > to the EC. It uses Boris's latest "atomic" hooks for the PWM API (i.e., the
> > > > ->apply() callback), which were recently merged.
> > > > 
> > > > Pulled and adapted the cros_ec_cmd_xfer_status() helper from this patch, with
> > > > some minor modifications:
> > > > 
> > > > https://lkml.org/lkml/2016/4/12/342
> > > > 
> > > > Note that after some style bikeshedding, I proposed to put off rewriting the
> > > > entire cros_ec_commands.h header at the moment, due to the shared nature of
> > > > this file. Follow up here:
> > > > 
> > > > https://bugs.chromium.org/p/chromium/issues/detail?id=621123
> > > > 
> > > > As this touches MFD (sort of), drivers/platform/chrome/, and drivers/pwm/, I'm
> > > > still not sure who it should all go through: Lee, Thierry, or Olof?
> > > 
> > > I usually take this type of submission through the MFD tree, although
> > > it's too late in the day to make it into v4.8.
> > > 
> > > Which Acks are you missing?
> > 
> > I'm willing to take this through the PWM tree if you're okay with the
> > MFD changes. I can put the MFD changes into a separate branch and you
> > could pull that in if you needed to resolve any dependencies, which I
> > think would be quite unlikely if you've already closed your tree.
> 
> Are you saying that you're willing to take these straight into the
> merge-window, with no soak in -next?

There's still a bit of time to let it soak in -next, but I'm not overly
concerned given that this is purely additions of code, so there can't be
any regressions.

Thierry

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