linux-kernel - Re: [PATCH v2 1/3] gpio: regmap: Support few IC specific operations

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Message-ID: <CAHp75VcZwYdA5R=peC+8jHVT6UDsAT9msSs=W6C7rgfyjGPtXA@mail.gmail.com>
Date:   Fri, 21 May 2021 13:09:37 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
Cc:     Matti Vaittinen <mazziesaccount@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Michael Walle <michael@...le.cc>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-power <linux-power@...rohmeurope.com>
Subject: Re: [PATCH v2 1/3] gpio: regmap: Support few IC specific operations

On Fri, May 21, 2021 at 12:53 PM Matti Vaittinen
<matti.vaittinen@...rohmeurope.com> wrote:
>
> The set_config and init_valid_mask GPIO operations are usually very IC
> specific. Allow IC drivers to provide these custom operations at
> gpio-regmap registration.

Thanks for this. In general (from design p.o.v.) looks good to me, one
question below, though.

>
> Signed-off-by: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>
>
> ---
> Changelog v2: (based on suggestions by Michael Walle)
>   - drop gpio_regmap_set_drvdata()

But why do we have gpio_regmap_get_drvdata() and why is it different
now to the new member handling?

>   - drop checks and WARN() for pretty much impossible cases

-- 
With Best Regards,
Andy Shevchenko