linux-kernel - Re: IRQF_RESUME_EARLY and errors in dpm_suspend

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Message-ID: <20131124104124.GA22947@amd.pavel.ucw.cz>
Date:	Sun, 24 Nov 2013 11:41:24 +0100
From:	Pavel Machek <pavel@....cz>
To:	Heiko Stübner <heiko@...ech.de>
Cc:	Laxman Dewangan <ldewangan@...dia.com>,
	Ian Campbell <ian.campbell@...rix.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Len Brown <len.brown@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>
Subject: Re: IRQF_RESUME_EARLY and errors in dpm_suspend_noirq

On Sat 2013-11-23 22:25:48, Heiko Stübner wrote:
> Hi Laxman,
> 
> Am Mittwoch, 20. November 2013, 10:54:10 schrieb Laxman Dewangan:
> > > I may be blind, but where get the early-irqs resumed in the error
> > > path of dpm_suspend_noirq?
> > > 
> > > When a suspend_noirq callback returns an error, dpm_resume_noirq gets
> > > called, which only calls resume_device_irqs while the
> > > suspend_device_irqs call in dpm_suspend_noirq suspends all irqs. So it
> > > does not seem that the early-irqs get resumed at all in this case.
> > 
> > I also faced same issue in our suspend failure path and posted fix
> > sometime ago as
> > https://lkml.org/lkml/2013/8/13/373
> > 
> > It is still under review.

If it helps, you can add my

Reviewed-by: Pavel Machek <pavel@....cz>

									Pavel
-- 
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