linux-kernel - Re: [PATCH v3] i2c: stm32f7: Add atomic

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Message-ID: <ZRSCfMn7CX09z6/e@shikoro>
Date:   Wed, 27 Sep 2023 21:29:00 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Sean Nyekjaer <sean@...nix.com>
Cc:     Pierre-Yves MORDRET <pierre-yves.mordret@...s.st.com>,
        Alain Volmat <alain.volmat@...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 v3] i2c: stm32f7: Add atomic_xfer method to driver

On Wed, Aug 16, 2023 at 10:05:52AM +0200, Sean Nyekjaer wrote:
> Add an atomic_xfer method to the driver so that it behaves correctly
> when controlling a PMIC that is responsible for device shutdown.
> 
> The atomic_xfer method added is similar to the one from the i2c-mv64xxx
> driver. When running an atomic_xfer a bool flag in the driver data is
> set, the interrupt is not unmasked on transfer start, and the IRQ
> handler is manually invoked while waiting for pending transfers to
> complete.
> 
> Signed-off-by: Sean Nyekjaer <sean@...nix.com>

Applied to for-next, thanks!


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