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Date: Thu, 6 Oct 2011 17:17:42 +0100
From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
X-X-Sender: sstabellini@kaball-desktop
To: Yinghai Lu <yhlu.kernel@gmail.com>
CC: Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
        Ajaykumar Hotchandani <ajaykumar.hotchandani@oracle.com>,
        Jesse Barnes <jbarnes@virtuousgeek.org>,
        "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] PCI: Set device power state to PCI_D0 for device without
 native PM support
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References: <4E8C40A8.6080205@oracle.com> <alpine.DEB.2.00.1110061137120.3519@kaball-desktop> <CAE9FiQVyT=n18JnuBmda86D77Ai4HAC=w68Oo-Na3mCdAxsCMw@mail.gmail.com>
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On Thu, 6 Oct 2011, Yinghai Lu wrote:
> On Thu, Oct 6, 2011 at 3:39 AM, Stefano Stabellini
> <stefano.stabellini@eu.citrix.com> wrote:
> >
> > I had the same issue and sent a patch a while ago to fix it, adding
> >
> > current_state = PCI_D0 in acpiphp_glue.c:register_slot
> >
> > it is strange that this does not work for you:
> >
> > http://marc.info/?l=linux-kernel&m=129891002722845&w=2
> 
> So guest os has to load acpiphp instead of pciehp?
 
maybe pciehp needs to make sure that current_state = D0 in
pciehp_enable_slot, like acpiphp does