Re: [PATCH v3 6/6] i2c: npcm: Enable slave in eob interrupt
From: Andy Shevchenko
Date: Fri Sep 13 2024 - 06:30:32 EST
On Fri, Sep 13, 2024 at 06:15:32PM +0800, Tyrone Ting wrote:
> From: Charles Boyer <Charles.Boyer@xxxxxxxxxxx>
>
> Nuvoton slave enable was in user space API call master_xfer, so it is
> subject to delays from the OS scheduler. If the BMC is not enabled for
> slave mode in time for master to send response, then it will NAK the
> address match. Then the PLDM request timeout occurs.
>
> If the slave enable is moved to the EOB interrupt service routine, then
> the BMC can be ready in slave mode by the time it needs to receive a
> response.
Fixes tag?
--
With Best Regards,
Andy Shevchenko