linux-kernel - Re: [PATCH v2 3/6] i2c: i2c-stm32f7: Add initial SMBus protocols support

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Date:   Sat, 24 Mar 2018 23:49:11 +0100
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Pierre-Yves MORDRET <pierre-yves.mordret@...com>
Cc:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        linux-i2c@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/6] i2c: i2c-stm32f7: Add initial SMBus protocols
 support

On Wed, Mar 21, 2018 at 05:48:57PM +0100, Pierre-Yves MORDRET wrote:
> This patch adds SMBus support for I2C controller embedded in STM32F7 Soc.

> All SMBus protocols are implemented except SMBus-specific protocols.

What does that mean?

> 
> Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@...il.com>
> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@...com>
> ---
>   Version history:
>     v1:
>        * Initial
>     v2:
>        * fix Kbuild test robot issue (Unneeded semicolon)
> ---
> 
> fixup! i2c: i2c-stm32f7: Add initial SMBus protocols support
> ---
>  drivers/i2c/busses/i2c-stm32f7.c | 377 ++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 368 insertions(+), 9 deletions(-)

That is quite some complexity considering we have I2C_FUNC_SMBUS_EMUL. I
don't mind, but you really want that?


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