linux-kernel - Re: [RFC PATCH v2 1/4] drivers/mfd: sensehat: Raspberry Pi Sense HAT core driver

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Message-ID: <a2b6f361bdcf884c18c51f94010a81b488272481.camel@redhat.com>
Date:   Mon, 30 Aug 2021 14:48:17 +0200
From:   nsaenzju@...hat.com
To:     Charles Mirabile <cmirabil@...hat.com>,
        linux-kernel@...r.kernel.org
Cc:     Lee Jones <lee.jones@...aro.org>,
        Serge Schneider <serge@...pberrypi.org>,
        Stefan Wahren <stefan.wahren@...e.com>,
        linux-rpi-kernel@...ts.infradead.org, fedora-rpi@...glegroups.com,
        Mwesigwa Guma <mguma@...hat.com>,
        Joel Savitz <jsavitz@...hat.com>
Subject: Re: [RFC PATCH v2 1/4] drivers/mfd: sensehat: Raspberry Pi Sense
 HAT core driver

On Fri, 2021-08-20 at 14:07 -0400, Charles Mirabile wrote:
> This patch adds the core driver file, containing methods to communicate
> with the board over I2C. We also add the header file shared by all
> three drivers, containing common data and definitions. In addition, we
> add a config option to toggle compilation of the driver.
> 
> Signed-off-by: Charles Mirabile <cmirabil@...hat.com>
> Signed-off-by: Mwesigwa Guma <mguma@...hat.com>
> Signed-off-by: Joel Savitz <jsavitz@...hat.com>
> ---

Correct me if I'm wrong, but it seems to me that you could completely avoid
this driver if you used 'simple-mfd-i2c.c'. See 'kontron,sl28cpld' for an
example of how it's used.

Regards,
Nicolas