From: Tony Lindgren <tony@atomide.com>
To: Suman Anna <s-anna@ti.com>
Cc: Nishanth Menon <nm@ti.com>, Tero Kristo <t-kristo@ti.com>,
Grygorii Strashko <grygorii.strashko@ti.com>,
Dave Gerlach <d-gerlach@ti.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, "Andrew F . Davis" <afd@ti.com>,
Peter Ujfalusi <peter.ujfalusi@ti.com>,
Faiz Abbas <faiz_abbas@ti.com>, Keerthy <j-keerthy@ti.com>,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Roger Quadros <rogerq@ti.com>
Subject: Re: [PATCH 1/2] bus: ti-sysc: Fix wakeirq sleeping function called from invalid context
Date: Thu, 2 Jul 2020 12:11:18 -0700 [thread overview]
Message-ID: <20200702191118.GP37466@atomide.com> (raw)
In-Reply-To: <20200702190249.GO37466@atomide.com>
* Tony Lindgren <tony@atomide.com> [200702 19:03]:
> * Suman Anna <s-anna@ti.com> [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
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prev parent reply other threads:[~2020-07-02 19:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-02 17:49 [PATCH 1/2] bus: ti-sysc: Fix wakeirq sleeping function called from invalid context Tony Lindgren
2020-07-02 17:49 ` [PATCH 2/2] bus: ti-sysc: Fix sleeping function called from invalid context for RTC quirk Tony Lindgren
2020-07-02 18:00 ` [PATCH 1/2] bus: ti-sysc: Fix wakeirq sleeping function called from invalid context Suman Anna
2020-07-02 19:02 ` Tony Lindgren
2020-07-02 19:11 ` Tony Lindgren [this message]
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