Re: [PATCH 1/2] bus: ti-sysc: Fix wakeirq sleeping function called from invalid context

[Tony Lindgren]

* Tony Lindgren <tony@xxxxxxxxxxx> [200702 19:03]:
> * Suman Anna <s-anna@xxxxxx> [200702 18:01]:
> > Hi Tony,
> > 
> > On 7/2/20 12:49 PM, Tony Lindgren wrote:
> > > With CONFIG_DEBUG_ATOMIC_SLEEP enabled we can see the following with
> > > wakeirqs and serial console idled:
> > 
> > Which devices are these? I have one patch from Tero fixing similar errors in
> > OMAP IOMMU driver. Will post that either today or tomorrow.
> 
> I noticed this testing Andy Schevchenko's pending generic serial PM
> patches. It happens on any omap variant with kernel serial console
> detached and uart idled. Then just wait for the autosuspend timeout
> to expire and type a character on the serial console :)

And BTW, Andy's series involves the removal of pm_runtime_irq_safe()
from the serial drivers that we still have. So this won't trigger
currently with the uart. But the issue could trigger with other
drivers though.

Regards,

Tony