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

Wolfram Sang
2020-04-30T14:17:03Z

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On Wed, Apr 29, 2020 at 11:37:37AM +0800, ryan_chen wrote:
> 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@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.

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