Re: [RFC 1/2] i2c: designware: Add missing locks

From: Jarkko Nikula
Date: Thu Dec 23 2021 - 09:30:02 EST


On 12/22/21 11:45, Jan Dabros wrote:
All accesses to controller's registers should be protected on
probe, disable and xfer paths. This is needed for i2c bus controllers
that are shared with but not controlled by kernel.

Signed-off-by: Jan Dabros <jsd@xxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-designware-common.c | 12 ++++++++++++
drivers/i2c/busses/i2c-designware-master.c | 6 ++++++
2 files changed, 18 insertions(+)

Acked-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>