linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
To: linux-gpio@vger.kernel.org
Cc: linus.walleij@linaro.org, gregory.0xf0@gmail.com,
	bgolaszewski@baylibre.com, f.fainelli@gmail.com,
	matthias.bgg@gmail.com, opensource@vdorst.com,
	andy.shevchenko@gmail.com, git@johnthomson.fastmail.com.au,
	neil@brown.name, hofrat@osadl.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2 0/3] gpiolib: convert 'devprop_gpiochip_set_names' to support multiple gpiochip per device
Date: Tue, 27 Jul 2021 16:48:13 +0200	[thread overview]
Message-ID: <20210727144816.8697-1-sergio.paracuellos@gmail.com> (raw)

There are some unfortunate cases where the DT representation
of the device and the Linux internal representation differs.
Such drivers for devices are forced to implement a custom function
to avoid the core code 'devprop_gpiochip_set_names' to be executed
since in any other case every gpiochip inside will got repeated
names through its internal gpiochip banks. To avoid this antipattern
this changes are introduced trying to adapt core 'devprop_gpiochip_set_names'
to get a correct behaviour for every single situation.

This series introduces a new 'offset' field in the gpiochip structure
that can be used for those unfortunate drivers that must define multiple
gpiochips per device.

Drivers affected by this situation are also updated. These are
'gpio-mt7621' and 'gpio-brcmstb'.

Motivation for this series available at [0].

Thanks in advance for your feedback.

Best regards,
    Sergio Paracuellos

Changes in v2:
 - Address Gregory Fong comments in v1 of the series [1].
 - Collect Andy Shevchenko Reviewed-by for the series.
 - Collect Gregory Fong Acked-by for PATCH 3/3.

[0]: https://lkml.org/lkml/2021/6/26/198
[1]: https://lkml.org/lkml/2021/7/8/47

Sergio Paracuellos (3):
  gpiolib: convert 'devprop_gpiochip_set_names' to support multiple
    gpiochip banks per device
  gpio: mt7621: support gpio-line-names property
  gpio: brcmstb: remove custom 'brcmstb_gpio_set_names'

 drivers/gpio/gpio-brcmstb.c | 45 +------------------------------------
 drivers/gpio/gpio-mt7621.c  |  1 +
 drivers/gpio/gpiolib.c      | 33 ++++++++++++++++++++++-----
 include/linux/gpio/driver.h |  4 ++++
 4 files changed, 34 insertions(+), 49 deletions(-)

-- 
2.25.1


             reply	other threads:[~2021-07-27 14:50 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-27 14:48 Sergio Paracuellos [this message]
2021-07-27 14:48 ` [PATCH v2 1/3] gpiolib: convert 'devprop_gpiochip_set_names' to support multiple gpiochip banks " Sergio Paracuellos
2021-07-27 15:04   ` Andy Shevchenko
2021-07-27 15:06     ` Sergio Paracuellos
2021-07-27 14:48 ` [PATCH v2 2/3] gpio: mt7621: support gpio-line-names property Sergio Paracuellos
2021-07-27 14:48 ` [PATCH v2 3/3] gpio: brcmstb: remove custom 'brcmstb_gpio_set_names' Sergio Paracuellos
2021-07-27 15:06   ` Andy Shevchenko
2021-07-27 15:08     ` Sergio Paracuellos

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210727144816.8697-1-sergio.paracuellos@gmail.com \
    --to=sergio.paracuellos@gmail.com \
    --cc=andy.shevchenko@gmail.com \
    --cc=bgolaszewski@baylibre.com \
    --cc=f.fainelli@gmail.com \
    --cc=git@johnthomson.fastmail.com.au \
    --cc=gregory.0xf0@gmail.com \
    --cc=hofrat@osadl.org \
    --cc=linus.walleij@linaro.org \
    --cc=linux-gpio@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=matthias.bgg@gmail.com \
    --cc=neil@brown.name \
    --cc=opensource@vdorst.com \
    --subject='Re: [PATCH v2 0/3] gpiolib: convert '\''devprop_gpiochip_set_names'\'' to support multiple gpiochip per device' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).