linux-kernel - Re: [PATCH] net: forcedeth use pci_choose_state instead of PCI_D3hot

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Message-ID: <86802c440808181536j2c214cc3k47e73fd147b4fee1@mail.gmail.com>
Date:	Mon, 18 Aug 2008 15:36:43 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	"Jeff Garzik" <jgarzik@...hat.com>, "Ingo Molnar" <mingo@...e.hu>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, netdev <netdev@...r.kernel.org>,
	"Jesse Barnes" <jbarnes@...tuousgeek.org>,
	"Simon Arlott" <simon@...e.lp0.eu>
Subject: Re: [PATCH] net: forcedeth use pci_choose_state instead of PCI_D3hot - v2

On Mon, Aug 18, 2008 at 3:08 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> On Monday, 18 of August 2008, Yinghai Lu wrote:
>> On Mon, Aug 18, 2008 at 3:22 AM, Rafael J. Wysocki <rjw@...k.pl> wrote:
>>
>> >> > >  drivers/net/forcedeth.c |    8 +++++---
>> >> > >  1 file changed, 5 insertions(+), 3 deletions(-)
>> >> > >
>> >> > > Index: linux-2.6/drivers/net/forcedeth.c
>> >> > > ===================================================================
>> >> > > --- linux-2.6.orig/drivers/net/forcedeth.c
>> >> > > +++ linux-2.6/drivers/net/forcedeth.c
>> >> > > @@ -5975,10 +5975,12 @@ static void nv_shutdown(struct pci_dev *
>> >> > >        if (netif_running(dev))
>> >> > >                nv_close(dev);
>> >> > >
>> >> > > -       pci_enable_wake(pdev, PCI_D3hot, np->wolenabled);
>> >> > > -       pci_enable_wake(pdev, PCI_D3cold, np->wolenabled);
>> >> > >        pci_disable_device(pdev);
>> >> > > -       pci_set_power_state(pdev, PCI_D3hot);
>> >> > > +       if (system_state == SYSTEM_POWER_OFF) {
>> >> > > +               if (pci_enable_wake(pdev, PCI_D3cold, np->wolenabled))
>> >> > > +                       pci_enable_wake(pdev, PCI_D3hot, np->wolenabled);
>> >> > > +               pci_set_power_state(pdev, PCI_D3hot);
>> >> > > +       }
>> >> > >  }
>> >> > >  #else
>> >> > >  #define nv_suspend NULL
>> >> > >
>> >> >
>>
>> > Does the last patch work for you BTW?
>> >
>>
>> it works.
>
> OK, thanks for testing.
>
> I think we can use it as a quick fix for 2.6.27.  Do you agree?
>

yes

YH
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