linux-kernel - Re: [PATCH 4/4] i2c: stm32f7: use proper DMAENGINE API for termination

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Message-ID: <YaXupH+h2PU+YUlA@ninjato>
Date:   Tue, 30 Nov 2021 10:28:04 +0100
From:   Wolfram Sang <wsa@...nel.org>
To:     Alain Volmat <alain.volmat@...s.st.com>
Cc:     pierre-yves.mordret@...s.st.com, 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,
        fabrice.gasnier@...s.st.com, amelie.delaunay@...s.st.com
Subject: Re: [PATCH 4/4] i2c: stm32f7: use proper DMAENGINE API for
 termination

On Mon, Sep 20, 2021 at 05:21:32PM +0200, Alain Volmat wrote:
> dmaengine_terminate_all() is deprecated in favor of explicitly saying if
> it should be sync or async.  Here, we use dmaengine_terminate_sync in
> i2c_xfer and i2c_smbus_xfer handlers and rely on
> dmaengine_terminate_async within interrupt handlers
> (transmission error cases).
> dmaengine_synchronize is added within i2c_xfer and i2c_smbus_xfer handler
> to finalize terminate started in interrupt handlers.
> 
> Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>

Applied to for-current, thanks!


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