linux-kernel - Re: [RFC][PATCH 3/12] PCI / PM: Propagate wake-up enable for PCIe devices too

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Message-ID: <20091216111939.1a756377@jbarnes-piketon>
Date:	Wed, 16 Dec 2009 11:19:39 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	pm list <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Oliver Neukum <oliver@...kum.org>,
	Shaohua Li <shaohua.li@...el.com>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Francois Romieu <romieu@...zoreil.com>,
	Len Brown <lenb@...nel.org>
Subject: Re: [RFC][PATCH 3/12] PCI / PM: Propagate wake-up enable for PCIe
 devices too

On Sun, 29 Nov 2009 16:35:54 +0100
"Rafael J. Wysocki" <rjw@...k.pl> wrote:

> From: Rafael J. Wysocki <rjw@...k.pl>
> 
> Having read the PM part of the PCIe 2.0 specification more carefully
> I think that it was a mistake to restrict the wake-up enable
> propagation to non-PCIe devices, because if we do not request
> control of the root ports' PME registers via OSC, PCIe PME is
> supposed to be handled by the platform, just like the non-PCIe PME.
> Even if we do that, the wake-up propagation is done to allow the
> devices to wake up the system from sleep states which involves the
> platform anyway, so it won't hurt.
> 
> Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> ---
>  drivers/pci/pci-acpi.c |   10 ++--------
>  1 file changed, 2 insertions(+), 8 deletions(-)

Applied after fixing up conflicts related to dev->is_pcie.

Thanks,
-- 
Jesse Barnes, Intel Open Source Technology Center
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