Re: [PATCH 2/3] gpio: regmap: Support combined GPIO and pin control drivers

From: Andy Shevchenko
Date: Sun Jul 03 2022 - 10:15:34 EST


On Sun, Jul 3, 2022 at 1:11 PM Aidan MacDonald
<aidanmacdonald.0x0@xxxxxxxxx> wrote:
>
> Allow gpio-regmap to be used for the GPIO portion of a combined
> pin control and GPIO driver by setting the has_pinctrl flag. This
> flag will cause GPIO direction set ops to be implemented as calls
> to pinctrl_gpio_direction_input/output() instead of updating the
> direction set registers directly.
>
> Note that reg_dir_out/in_base is still required for implementing
> the GPIO chip's ->get_direction() callback.

...

> + /*
> + * we need a direction register for implementing ->get_direction
> + * even if ->direction_input/output is handled by pin control
> + */

/*
* Multi-line comments go with this format
* or style. Pay attention to the capitalization
* and English grammar, e.g. period at the end of sentence(s).
*/

...

> + if (config->has_pinctrl && !(config->reg_dir_in_base ||
> + config->reg_dir_out_base))

Can you re-indent this either to be one line or put the second part of
the conditional onto the second line?

And why not use && everywhere?

> + return ERR_PTR(-EINVAL);

--
With Best Regards,
Andy Shevchenko