Re: [PATCH v5 0/6] gpiolib: more helpers and fwnode conversion

[Marek Szyprowski <m.szyprowski@samsung.com>]

Hi Andy,

On 14.04.2022 21:02, Andy Shevchenko wrote:
> 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.

I've applied patch #1 and #6 on top of linux next-20220413 with commit 
88834c75cae5 ("pinctrl: meson: Replace custom code by 
gpiochip_node_count() call") reverted. All my Meson-based test boards 
(Odroid C4, N2, Khadas VIM3/3l) work fine now. Thanks! Feel free to add:

Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>

> 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(-)
>
Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland


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