Re: [PATCH 0/3] gpiolib: convert 'devprop_gpiochip_set_names' to support multiple gpiochip per device
From: Andy Shevchenko
Date: Thu Jul 08 2021 - 04:03:03 EST
On Thu, Jul 8, 2021 at 10:04 AM Sergio Paracuellos
<sergio.paracuellos@xxxxxxxxx> wrote:
>
> 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.
Thanks for doing this!
LGTM,
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Best regards,
> Sergio Paracuellos
>
> [0]: https://lkml.org/lkml/2021/6/26/198
>
> Sergio Paracuellos (3):
> gpiolib: convert 'devprop_gpiochip_set_names' to support multiple
> gpiochip baks 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 | 34 +++++++++++++++++++++++-----
> include/linux/gpio/driver.h | 4 ++++
> 4 files changed, 34 insertions(+), 50 deletions(-)
>
> --
> 2.25.1
>
--
With Best Regards,
Andy Shevchenko