linux-kernel - RE: [char-misc fix for 3.5] mei: pci_resume: set IRQF_ONESHOT for msi request_threaded

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Date:	Wed, 27 Jun 2012 15:16:02 +0000
From:	"Winkler, Tomas" <tomas.winkler@...el.com>
To:	Lekensteyn <lekensteyn@...il.com>
CC:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"arnd@...db.de" <arnd@...db.de>,
	"alan@...ux.intel.com" <alan@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [char-misc fix for 3.5] mei: pci_resume: set IRQF_ONESHOT for
 msi request_threaded_irq



> -----Original Message-----
> From: Lekensteyn [mailto:lekensteyn@...il.com]
> Sent: Wednesday, June 27, 2012 5:59 PM
> To: Winkler, Tomas
> Cc: gregkh@...uxfoundation.org; arnd@...db.de; alan@...ux.intel.com;
> linux-kernel@...r.kernel.org
> Subject: Re: [char-misc fix for 3.5] mei: pci_resume: set IRQF_ONESHOT for
> msi request_threaded_irq
> 
> On Wednesday 27 June 2012 17:14:20 Tomas Winkler wrote:
> > when the default irq quick handler is used then IRQF_ONESHOT must be
> > set otherwise the request fails and following error is displayed:
> >
> > mei 0000:00:16.0: irq 48 for MSI/MSI-X
> > genirq: Threaded irq requested with handler=NULL and !ONESHOT for irq
> > 48 mei 0000:00:16.0: request_threaded_irq failed: irq = 48.
> > dpm_run_callback(): pci_pm_resume+0x0/0x140 returns -22
> > PM: Device 0000:00:16.0 failed to resume async: error -22
> >
> > Reported-by: Lekensteyn <lekensteyn@...il.com>
> > Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
> Tested-by: Peter Wu <lekensteyn@...il.com>
> 
> (for the real name policy, if you prefer "Lekensteyn", it's fine too)

Thanks for reporting and testing 
Tomas


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