linux-kernel - Re: [PATCH v6 1/2] gpio: add GPO driver for PCA9570

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Message-ID: <CACRpkdZhd6UoHQ8gJKXHAAtdsbt1=2K5TGc-hKT7uS+SfDOR5Q@mail.gmail.com>
Date:   Thu, 16 Jul 2020 14:35:58 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Sungbo Eo <mans0n@...ani.run>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Michael Walle <michael@...le.cc>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH v6 1/2] gpio: add GPO driver for PCA9570

On Thu, Jul 9, 2020 at 3:48 PM Sungbo Eo <mans0n@...ani.run> wrote:

> NXP PCA9570 is a 4-bit I2C GPO expander without interrupt functionality.
> Its ports are controlled only by a data byte without register address.
>
> Datasheet: https://www.nxp.com/docs/en/data-sheet/PCA9570.pdf
> Signed-off-by: Sungbo Eo <mans0n@...ani.run>
> ---
> v6:
> * removed client
> * re-added mutex
> * removed template_chip

This v6 version applied, thanks to everyone who helped out
reviewing this driver!!

Yours,
Linus Walleij