RE: [PATCH v0 linux master] i2c/busses: Avoid i2c interrupt status clear race condition.

From: Ryan Chen
Date: Mon May 04 2020 - 21:52:43 EST


> In AST2600 there have a slow peripheral bus between CPU and i2c
> controller.
> Therefore GIC i2c interrupt status clear have delay timing, when CPU
> issue write clear i2c controller interrupt status.
> To avoid this issue, the driver need have read after write clear at
> i2c ISR.
>
> Signed-off-by: ryan_chen <ryan_chen@xxxxxxxxxxxxxx>

>Applied to for-current with a Fixes tag, thanks! Please, try to add one next time and please also check how the subsystem formats the $subject line.
[Ryan Chen] Thanks your review, will add fixes tag at subject.