linux-kernel - [PATCH v4 00/13] gpiolib: Two new helpers and way toward fwnode

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Message-Id: <20220401103604.8705-1-andriy.shevchenko@linux.intel.com>
Date:   Fri,  1 Apr 2022 13:35:51 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Qianggui Song <qianggui.song@...ogic.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Marc Zyngier <maz@...nel.org>,
        Fabien Dessenne <fabien.dessenne@...s.st.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        openbmc@...ts.ozlabs.org, linux-renesas-soc@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Avi Fishman <avifishman70@...il.com>,
        Tomer Maimon <tmaimon77@...il.com>,
        Tali Perry <tali.perry1@...il.com>,
        Patrick Venture <venture@...gle.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Benjamin Fair <benjaminfair@...gle.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Philipp Zabel <p.zabel@...gutronix.de>
Subject: [PATCH v4 00/13] gpiolib: Two new helpers and way toward fwnode

This is a spin-off of the previous work of switching GPIO library
to use fwnode instead of of_node. Here we introduce a couple of
a new macro helpers, which allows to switch some of the drivers
to use fwnode and partially fwnode APIs. As a result of this cleanup
a few drivers switched to use GPIO fwnode instead of of_node.

Bart, Linus, I can take it thru my tree with an immutable branch if
it's the way you prefer, otherwise please suggest on how to proceed.

Changelog v4:
- fixed compilation of the Samsung pin control drivers (LKP)
- explained in the commit message why namespacing is good for meson defs
- added tag to one of meson patches (Neil)

Changelog v3:
- moved count initialization to the definition in patch 2 (Geert)
- replaced of_args by args, used %pfwP in patch 7 (Geert)
- fixed kernel doc warning in patch 7
- added tags to patches 1, 2, 6, and 7 (Geert)
- added tag to patch 4 (Fabien)
- renamed MREG to MESON_REG in patch 9 (Neil)
- added tag to patch 10 (Neil)
- used --base for cover-letter

Changelog v2:
- properly based, so kbuild bot may test it (LKP)
- fixed typo in the macro (Geert)
- split to two macro helpers and rename the gpiochip_count()
- tagged one of stm32 and one of meson patches (Fabien, Neil)
- unified previously standalone armada patch
- due to above rewrote the armada patch from v1 completely (Sergey)
- added a lot of a new patches
- compile tested all of them on x86

Andy Shevchenko (13):
  gpiolib: Introduce for_each_gpiochip_node() loop helper
  gpiolib: Introduce gpiochip_node_count() helper
  pinctrl: stm32: Replace custom code by gpiochip_node_count() call
  pinctrl: stm32: Switch to use for_each_gpiochip_node() helper
  pinctrl: samsung: Switch to use for_each_gpiochip_node() helper
  pinctrl: renesas: rza1: Replace custom code by gpiochip_node_count()
    call
  pinctrl: renesas: rza1: Switch to use for_each_gpiochip_node() helper
  pinctrl: npcm7xx: Switch to use for_each_gpiochip_node() helper
  pinctrl: meson: Rename REG_* to MESON_REG_*
  pinctrl: meson: Enable COMPILE_TEST
  pinctrl: meson: Replace custom code by gpiochip_node_count() call
  pinctrl: armada-37xx: Switch to use fwnode instead of of_node
  pinctrl: armada-37xx: Reuse GPIO fwnode in
    armada_37xx_irqchip_register()

 drivers/pinctrl/meson/Kconfig               |   2 +-
 drivers/pinctrl/meson/pinctrl-meson.c       |  52 ++++---
 drivers/pinctrl/meson/pinctrl-meson.h       |  24 ++--
 drivers/pinctrl/mvebu/pinctrl-armada-37xx.c |  34 ++---
 drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c   | 142 +++++++++-----------
 drivers/pinctrl/renesas/pinctrl-rza1.c      |  47 ++-----
 drivers/pinctrl/samsung/pinctrl-exynos.c    |   8 +-
 drivers/pinctrl/samsung/pinctrl-s3c24xx.c   |   2 +-
 drivers/pinctrl/samsung/pinctrl-s3c64xx.c   |   4 +-
 drivers/pinctrl/samsung/pinctrl-samsung.c   |  30 ++---
 drivers/pinctrl/samsung/pinctrl-samsung.h   |   2 +-
 drivers/pinctrl/stm32/pinctrl-stm32.c       |  80 +++++------
 include/linux/gpio/driver.h                 |  18 ++-
 13 files changed, 198 insertions(+), 247 deletions(-)


base-commit: e5071887cd2296a7704dbcd10c1cedf0f11cdbd5
-- 
2.35.1