linux-kernel - Re: [ath5k-devel] [PATCH v3] ath5k: disable ASPM

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Message-ID: <1280360895.8891.19.camel@maxim-laptop>
Date:	Thu, 29 Jul 2010 02:48:15 +0300
From:	Maxim Levitsky <maximlevitsky@...il.com>
To:	"Luis R. Rodriguez" <mcgrof@...il.com>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	"ath5k-devel@...ts.ath5k.org" <ath5k-devel@...ts.ath5k.org>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	David Quan <David.Quan@...eros.com>,
	"Luis R. Rodriguez" <mcgrof@...badil.infradead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"kernel-team@...ts.ubuntu.com" <kernel-team@...ts.ubuntu.com>,
	Luis Rodriguez <Luis.Rodriguez@...eros.com>,
	Jussi Kivilinna <jussi.kivilinna@...et.fi>,
	"tim.gardner@...onical.com" <tim.gardner@...onical.com>
Subject: Re: [ath5k-devel] [PATCH v3] ath5k: disable ASPM

On Tue, 2010-07-27 at 08:57 -0700, Luis R. Rodriguez wrote: 
> On Tue, Jul 27, 2010 at 2:35 AM, Maxim Levitsky <maximlevitsky@...il.com> wrote:
> > On Mon, 2010-07-26 at 23:50 +0100, Matthew Garrett wrote:
> >> On Mon, Jul 26, 2010 at 03:43:04PM -0700, Luis R. Rodriguez wrote:
> >>
> >> > I see.. thanks Mathew... in that case since L1 works on all devices we
> >> > could just force enable L1 for all PCIE devices. What do you think?
> >>
> >> Works for me.
> >>
> >
> > On the second thought, there is no 'pci_enable_link_state' :-)
> > I afraid that if I add it, I might not do that right for all cases, thus
> > do more harm that good...
> 
> I'm sorry, can you elaborate?

I mean ASPM code doesn't have a function to undo effects of the
blacklist (due to pre 1.1 pcie device).

Its not that simple to write such function.

Best regards,
Maxim Levitsky

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