Re: [PATCH] serial: 8250_port: Fix imprecise external abort for mctrl if inactive

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On Tue, Jun 2, 2020 at 11:09 AM Johan Hovold <johan@xxxxxxxxxx> wrote:
> On Mon, Jun 01, 2020 at 05:18:13PM -0700, Tony Lindgren wrote:

...

> There's shouldn't be anything fundamental preventing you from adding the
> missing resume calls to the mctrl paths even if it may require reworking
> (and fixing) the whole RPM implementation (which would be a good thing
> of course).

Yes, for serial core I have long standing patch series to implement
RPM (more or less?) properly.

However, OMAP is a beast which prevents us to go due to a big hack
called pm_runtime_irq_safe().
Tony is aware of this and I think the above is somehow related to removal of it.

But I completely agree that the goal is to get better runtime PM
implementation over all.

-- 
With Best Regards,
Andy Shevchenko



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