lkml.org 
[lkml]   [2010]   [Dec]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] PCI: Disable ASPM if BIOS asks us to
On Fri, 10 Dec 2010 21:18:49 +0000
Matthew Garrett <mjg59@srcf.ucam.org> wrote:

> On Fri, Dec 10, 2010 at 01:07:19PM -0800, Jesse Barnes wrote:
> > On Mon, 6 Dec 2010 14:00:56 -0500
> > Matthew Garrett <mjg@redhat.com> wrote:
> >
> > > We currently refuse to touch the ASPM registers if the BIOS tells us that
> > > ASPM isn't supported. This can cause problems if the BIOS has (for any
> > > reason) enabled ASPM on some devices anyway. Change the code such that we
> > > explicitly clear ASPM if the FADT indicates that ASPM isn't supported,
> > > and make sure we tidy up appropriately on device removal in order to deal
> > > with the hotplug case. If ASPM is disabled because the BIOS doesn't hand
> > > over control then we won't touch the registers.
> > >
> > > Signed-off-by: Matthew Garrett <mjg@redhat.com>
> > > ---
> > >
> >
> > Applied to linux-next, thanks.
>
> Agh. It seems I sent the wrong version - there's a missing e in
> pci_clear_aspm. Can you fix that up, or should I resend?

I'll fix it up (was just doing the build test now), thanks.

--
Jesse Barnes, Intel Open Source Technology Center


\
 
 \ /
  Last update: 2010-12-10 22:23    [W:0.138 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site