From: Wolfram Sang <wsa@kernel.org>
To: Alain Volmat <alain.volmat@foss.st.com>
Cc: pierre-yves.mordret@foss.st.com, alexandre.torgue@foss.st.com,
linux-i2c@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, fabrice.gasnier@foss.st.com,
amelie.delaunay@foss.st.com
Subject: Re: [PATCH 1/4] i2c: stm32f7: flush TX FIFO upon transfer errors
Date: Mon, 29 Nov 2021 13:12:31 +0100 [thread overview]
Message-ID: <YaTDr7tFo844UAIf@kunai> (raw)
In-Reply-To: <1632151292-18503-2-git-send-email-alain.volmat@foss.st.com>
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On Mon, Sep 20, 2021 at 05:21:29PM +0200, Alain Volmat wrote:
> While handling an error during transfer (ex: NACK), it could
> happen that the driver has already written data into TXDR
> before the transfer get stopped.
> This commit add TXDR Flush after end of transfer in case of error to
> avoid sending a wrong data on any other slave upon next transfer.
>
> Fixes: aeb068c57214 ("i2c: i2c-stm32f7: add driver")
>
> Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Applied to for-current, thanks!
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next prev parent reply other threads:[~2021-11-29 12:14 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-20 15:21 [PATCH 0/4] i2c: stm32: various fixes & dmaengine updates Alain Volmat
2021-09-20 15:21 ` [PATCH 1/4] i2c: stm32f7: flush TX FIFO upon transfer errors Alain Volmat
2021-09-23 8:35 ` Pierre Yves MORDRET
2021-11-29 12:12 ` Wolfram Sang [this message]
2021-09-20 15:21 ` [PATCH 2/4] i2c: stm32f7: recover the bus on access timeout Alain Volmat
2021-09-23 8:37 ` Pierre Yves MORDRET
2021-11-29 12:17 ` Wolfram Sang
2021-11-29 12:33 ` Alain Volmat
2021-11-29 12:52 ` Wolfram Sang
2021-11-30 8:56 ` Alain Volmat
2021-11-30 9:27 ` Wolfram Sang
2021-11-30 9:27 ` Wolfram Sang
2021-09-20 15:21 ` [PATCH 3/4] i2c: stm32f7: stop dma transfer in case of NACK Alain Volmat
2021-09-23 8:37 ` Pierre Yves MORDRET
2021-11-30 9:27 ` Wolfram Sang
2021-09-20 15:21 ` [PATCH 4/4] i2c: stm32f7: use proper DMAENGINE API for termination Alain Volmat
2021-09-23 8:38 ` Pierre Yves MORDRET
2021-11-30 9:28 ` Wolfram Sang
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