linux-kernel - Re: [PATCH 3/3] driver:gpio remove all usage of gpio

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Date:	Tue, 22 Jul 2014 17:08:13 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	abdoulaye berthe <berthe.ab@...il.com>,
	"arm@...nel.org" <arm@...nel.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Rafał Miłecki <zajec5@...il.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Bryan Wu <cooloney@...il.com>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Lee Jones <lee.jones@...aro.org>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Matthew Garrett <matthew.garrett@...ula.com>,
	Michael Buesch <m@...s.ch>,
	Greg KH <gregkh@...uxfoundation.org>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>
Cc:	Alexandre Courbot <gnurou@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-mips@...ux-mips.org,
	"linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>,
	Linux Input <linux-input@...r.kernel.org>,
	"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
	"linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
	"linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>
Subject: Re: [PATCH 3/3] driver:gpio remove all usage of gpio_remove retval in driver

On Sat, Jul 12, 2014 at 10:30 PM, abdoulaye berthe <berthe.ab@...il.com> wrote:

Heads up. Requesting ACKs for this patch or I'm atleast warning that it will be
applied. We're getting rid of the return value from gpiochip_remove().

> this remove all reference to gpio_remove retval in all driver
> except pinctrl and gpio. the same thing is done for gpio and
> pinctrl in two different patches.
>
> Signed-off-by: abdoulaye berthe <berthe.ab@...il.com>
(...)

I think this patch probably needs to be broken down per-subsystem as it
hits all over the map. But let's start requesting ACKs for the
individual pieces.
Actually I think it will be OK to merge because there is likely not much churn
around these code sites.

I'm a bit torn between just wanting a big patch for this hitting drivers/gpio
and smaller patches hitting one subsystem at a time. We should be able
to hammer this in one switch strike.

>  arch/arm/common/scoop.c                        | 10 ++--------

ARM SoC folks, can you ACK this?

>  arch/mips/txx9/generic/setup.c                 |  4 ++--

Ralf can you ACK this?

>  arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c |  3 ++-

Benji, can you ACK this?

>  arch/sh/boards/mach-x3proto/gpio.c             |  6 ++----

Aha noone can ACK this, whatever...

>  drivers/bcma/driver_gpio.c                     |  3 ++-

Rafał can you ACK this?

>  drivers/hid/hid-cp2112.c                       |  6 ++----

Jiri can you ACK this?

>  drivers/input/keyboard/adp5588-keys.c          |  4 +---
>  drivers/input/keyboard/adp5589-keys.c          |  4 +---
>  drivers/input/touchscreen/ad7879.c             | 10 +++-------

Dmitry can you ACK this?

>  drivers/leds/leds-pca9532.c                    | 10 ++--------
>  drivers/leds/leds-tca6507.c                    |  7 ++-----

Bryan can you ACK this?

>  drivers/media/dvb-frontends/cxd2820r_core.c    | 10 +++-------

Mauro can you ACK this?

(Hm that looks weird. Mental note to look closer at this.)

>  drivers/mfd/asic3.c                            |  3 ++-
>  drivers/mfd/htc-i2cpld.c                       |  8 +-------
>  drivers/mfd/sm501.c                            | 17 +++--------------
>  drivers/mfd/tc6393xb.c                         | 13 ++++---------
>  drivers/mfd/ucb1x00-core.c                     |  8 ++------

Lee/Sam can either of you ACK this?

>  drivers/pinctrl/pinctrl-abx500.c               | 15 +++------------
>  drivers/pinctrl/pinctrl-exynos5440.c           |  6 +-----
>  drivers/pinctrl/pinctrl-msm.c                  | 10 +++-------
>  drivers/pinctrl/pinctrl-nomadik.c              |  2 +-
>  drivers/pinctrl/pinctrl-samsung.c              | 14 ++++----------

Abdoulaye: these should be in the other patch for pinctrl.

>  drivers/platform/x86/intel_pmic_gpio.c         |  3 +--

Matthew can you ACK this?

>  drivers/ssb/driver_gpio.c                      |  3 ++-

Michael can you (A) ACK this and
(B) think of moving this driver to drivers/gpio... Patches welcome.

>  drivers/staging/vme/devices/vme_pio2_gpio.c    |  4 +---
>  drivers/tty/serial/max310x.c                   | 10 ++++------

Greg can you ACK this?

>  drivers/video/fbdev/via/via-gpio.c             | 10 +++-------

Tomi can you ACK this?

>  sound/soc/codecs/wm5100.c                      |  5 +----
>  sound/soc/codecs/wm8903.c                      |  6 +-----
>  sound/soc/codecs/wm8962.c                      |  5 +----
>  sound/soc/codecs/wm8996.c                      |  6 +-----

Liam || Mark can you ACK this?

Yours,
Linus Walleij
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