linux-kernel - [PATCH v5 0/6] gpiolib: more helpers and fwnode conversion

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Message-Id: <20220414190242.22178-1-andriy.shevchenko@linux.intel.com>
Date:   Thu, 14 Apr 2022 22:02:36 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        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>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: [PATCH v5 0/6] gpiolib: more helpers and fwnode conversion

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.

*) it's subset of it with a new (patch 1) helper.

Marek, Martin, can you give this a try?
This requires at least two patches for GPIO library to be applied.

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 v5:
- dropped tested patches (this series based on them, though)
- introduced a new helper (thanks Marek and Martin for reporting an issue)
- redone Armada and Meson code using newly introduced helper

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 (6):
  gpiolib: Introduce a helper to get first GPIO controller node
  pinctrl: armada-37xx: Switch to use fwnode instead of of_node
  pinctrl: armada-37xx: Reuse GPIO fwnode in
    armada_37xx_irqchip_register()
  pinctrl: meson: Rename REG_* to MESON_REG_*
  pinctrl: meson: Enable COMPILE_TEST
  pinctrl: meson: Replace custom code by gpiochip_node_count() call

 drivers/pinctrl/meson/Kconfig               |  2 +-
 drivers/pinctrl/meson/pinctrl-meson.c       | 52 ++++++++++-----------
 drivers/pinctrl/meson/pinctrl-meson.h       | 28 +++++------
 drivers/pinctrl/mvebu/pinctrl-armada-37xx.c | 34 ++++----------
 include/linux/gpio/driver.h                 | 10 ++++
 5 files changed, 59 insertions(+), 67 deletions(-)

-- 
2.35.1