i2c: stm32f7: recover the bus on access timeout
authorAlain Volmat <alain.volmat@foss.st.com>
Mon, 20 Sep 2021 15:21:30 +0000 (17:21 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 8 Dec 2021 07:50:13 +0000 (08:50 +0100)
commit3470290825f3fdcb842b3224c873a2d88b4c2fe8
treee4f406ffdb188e05f7871f22f183800afeb5c683
parent8bf31f9d9395b71af3ed33166a057cd3ec0c59da
i2c: stm32f7: recover the bus on access timeout

commit b933d1faf8fa30d16171bcff404e39c41b2a7c84 upstream.

When getting an access timeout, ensure that the bus is in a proper
state prior to returning the error.

Fixes: aeb068c57214 ("i2c: i2c-stm32f7: add driver")
Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/i2c/busses/i2c-stm32f7.c