linux-kernel - Re: [PATCH v2] i2c: stm32f7: Add atomic

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Message-Id: <CB5067F1-28CC-4011-A6FF-0695916D764C@geanix.com>
Date:   Wed, 16 Aug 2023 09:22:48 +0200
From:   Sean Nyekjaer <sean@...nix.com>
To:     Alain Volmat <alain.volmat@...s.st.com>
Cc:     Pierre-Yves MORDRET <pierre-yves.mordret@...s.st.com>,
        Andi Shyti <andi.shyti@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        linux-i2c@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] i2c: stm32f7: Add atomic_xfer method to driver

Hi Alain,

> On 16 Aug 2023, at 09.02, Sean Nyekjaer <sean@...nix.com> wrote:
> 

[ … ]

>>> _dev {
>>> u32 dnf_dt;
>>> u32 dnf;
>>> struct stm32f7_i2c_alert *alert;
>>> + bool atomic;
>> 
>> I am wondering if this atomic really needs to be within the struct.
>> It could well be given as last arg of stm32f7_i2c_xfer_core and
>> stm32f7_i2c_xfer functions.
> 
> Agree.

Scratch that…
The atomic was included in the struct because it’s also used in the isr function, as the isr function is calling stm32f7_i2c_xfer_msg()

/Sean