linux-kernel - [PATCH v4 0/5] pinctrl: s32: driver improvements and generic struct use

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Date:   Fri, 24 Mar 2023 22:36:21 +0800
From:   Chester Lin <clin@...e.com>
To:     Linus Walleij <linus.walleij@...aro.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Chester Lin <clin@...e.com>, NXP S32 Linux Team <s32@....com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Ghennadi Procopciuc <Ghennadi.Procopciuc@....nxp.com>,
        Andrei Stefanescu <andrei.stefanescu@....com>,
        Radu Pirea <radu-nicolae.pirea@....com>,
        Andreas Färber <afaerber@...e.de>,
        Matthias Brugger <mbrugger@...e.com>
Subject: [PATCH v4 0/5] pinctrl: s32: driver improvements and generic struct use

Hello,

This patch series contains some improvements for s32 pinctrl drivers suggested
by upstream[1], such as
  - Fix error shadowings and improve return value handlings.
  - Fix print format.
  - Remove unnecessary blanks.
  - Use proper macros and helpers to simplify codes.
  - Refactor config param parsing and remove config arguments that are never used.
  - Use generic struct pingroup and struct pinfunction to describe pin data.

Regards,
Chester

[1] https://lore.kernel.org/all/20230220023320.3499-1-clin@suse.com/

Changes in v4:
- Merge the of_device_get_match_data() patch [v3 1/6] into the last patch
  [v4 5/5, "pinctrl: s32: separate const device data ..."] in order to solve
  compiler warning properly.

Changes in v3:
- Link: https://lore.kernel.org/lkml/20230323144833.28562-1-clin@suse.com/
- Remove unnecessary type casting and correct type qualifiers.
- Split the previous generic-struct patch [v2 4/4] into two separate patches.
- Add a new patch [v3 6/6] to attach a real const .data with of_device_id.

Changes in v2:
- Link: https://lore.kernel.org/lkml/20230320163823.886-1-clin@suse.com/
- Use of_device_get_match_data() to get matched of_device_id data.
- Enhance sizeof() arguments.
- Fix blanks and remove unnecessary parentheses.
- Drop unnecessary marcos and s32_pin_config() implemented in v1 and set/clear
  mask/config values transparently.
- Put pull-function related cases together in s32_pin_set_pull().
- Simply use generic 'struct pinfunction' rather than having extra 'struct
  s32_pmx_func'.

Chester Lin (5):
  pinctrl: s32: refine error/return/config checks and simplify driver
    codes
  pinctrl: s32cc: refactor pin config parsing
  pinctrl: s32cc: embed generic struct pingroup
  pinctrl: s32cc: Use generic struct data to describe pin function
  pinctrl: s32: separate const device data from struct
    s32_pinctrl_soc_info

 drivers/pinctrl/nxp/pinctrl-s32.h   |  40 ++--
 drivers/pinctrl/nxp/pinctrl-s32cc.c | 282 ++++++++++++++++------------
 drivers/pinctrl/nxp/pinctrl-s32g2.c |  17 +-
 3 files changed, 178 insertions(+), 161 deletions(-)

-- 
2.37.3