linux-kernel - Re: [PATCH v3 0/3] Use void pointers instead of char in I2C transfer APIs

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Date:   Mon, 11 Jan 2021 22:01:08 +0100
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     linux-iio@...r.kernel.orgi, Luca Ceresoli <luca@...aceresoli.net>,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        Hartmut Knaack <knaack.h@....de>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-iio@...r.kernel.org
Subject: Re: [PATCH v3 0/3] Use void pointers instead of char in I2C transfer
 APIs

On Tue, Nov 12, 2019 at 12:31:29PM -0800, Dmitry Torokhov wrote:
> While we indeed often deal with a stream of bytes when executing a
> transfer, at the higher layers we usually work with more structured
> data, and there is not really a reason to require casts to u8 * form the
> callers. These series change I2C APIs to accept [const] void pointers,
> and also adjust SMBUS implementation to use get/put_unaligned_16() and
> memcpy() for moving data around.

I just started to work on something SMBus, so I rediscovered this series
and will comment now.


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