linux-kernel - Re: [PATCH v3 1/2] Input: axp20x-pek: use driver_data of platform_device

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Date:   Wed, 16 Aug 2017 17:46:02 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Quentin Schulz <quentin.schulz@...e-electrons.com>,
        Lee Jones <lee.jones@...aro.org>,
        Hans de Goede <hdegoede@...hat.com>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: Re: [PATCH v3 1/2] Input: axp20x-pek: use driver_data of
 platform_device_id instead of extended attributes

On Mon, Aug 14, 2017 at 06:03:44PM +0800, Chen-Yu Tsai wrote:
> On Wed, Aug 9, 2017 at 5:45 PM, Quentin Schulz
> <quentin.schulz@...e-electrons.com> wrote:
> > To prepare an upcoming patch adding support for another PMIC that has
> > different startup and shutdown time, use driver_data of
> > platform_device_id instead of a fixed extended device attribute.
> >
> > By doing so, we also remove a lot of nested structures that aren't
> > useful.
> >
> > With this patch, a new PMIC can be easily supported by just filling
> > correctly its ax20x_info structure and adding a platform_device_id.
> >
> > Moreover, since we get rid of extended attributes, rename
> > axp20x_store_ext_attr to axp20x_store_attr and axp20x_show_ext_attr to
> > axp20x_show_attr.
> >
> > Signed-off-by: Quentin Schulz <quentin.schulz@...e-electrons.com>
> 
> Acked-by: Chen-Yu Tsai <wens@...e.org>

Applied, thank you.

> 
> [...]
> 
> > +
> > +DEVICE_ATTR(startup, 0644, axp20x_show_attr_startup, axp20x_store_attr_startup);
> > +DEVICE_ATTR(shutdown, 0644, axp20x_show_attr_shutdown,
> > +           axp20x_store_attr_shutdown);
> >
> 
> You could use DEVICE_ATTR_RW(...) if you renamed the function names to
> fit the macro if you wanted.

-- 
Dmitry