Re: [PATCH 2/4] i2c: stm32f7: recover the bus on access timeout

Subject: Re: [PATCH 2/4] i2c: stm32f7: recover the bus on access timeout
From: Wolfram Sang <wsa@xxxxxxxxxx>
Date: Mon, 29 Nov 2021 13:17:21 +0100
Cc: pierre-yves.mordret@xxxxxxxxxxx, alexandre.torgue@xxxxxxxxxxx, linux-i2c@xxxxxxxxxxxxxxx, linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, fabrice.gasnier@xxxxxxxxxxx, amelie.delaunay@xxxxxxxxxxx
In-reply-to: <1632151292-18503-3-git-send-email-alain.volmat@foss.st.com>
Mail-followup-to: Wolfram Sang <wsa@xxxxxxxxxx>, Alain Volmat <alain.volmat@xxxxxxxxxxx>, pierre-yves.mordret@xxxxxxxxxxx, alexandre.torgue@xxxxxxxxxxx, linux-i2c@xxxxxxxxxxxxxxx, linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, fabrice.gasnier@xxxxxxxxxxx, amelie.delaunay@xxxxxxxxxxx
References: <1632151292-18503-1-git-send-email-alain.volmat@foss.st.com> <1632151292-18503-3-git-send-email-alain.volmat@foss.st.com>

> +		stm32f7_i2c_wait_free_bus(i2c_dev);

This does only a controller reset, not a bus recovery with 9 toggling
pulses, or?

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Follow-Ups:
- Re: [PATCH 2/4] i2c: stm32f7: recover the bus on access timeout
  - From: Alain Volmat

References:
- [PATCH 0/4] i2c: stm32: various fixes & dmaengine updates
  - From: Alain Volmat
- [PATCH 2/4] i2c: stm32f7: recover the bus on access timeout
  - From: Alain Volmat