[PATCH v0 linux master] i2c/busses: Avoid i2c interrupt status clear race condition.
Ryan Chen
ryan_chen at aspeedtech.com
Tue May 5 11:51:19 AEST 2020
> 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 at aspeedtech.com>
>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.
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