Re: [PATCH 1/4] i2c: stm32f7: flush TX FIFO upon transfer errors
From: Wolfram Sang <wsa@kernel.org>
Date: 2021-11-29 12:14:37
Also in:
linux-i2c, lkml
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!