linux-kernel - Re: [PATCH] PCI / ACPI: Report _OSC control mask returned on failure to get control

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Date:	Mon, 9 May 2011 12:30:36 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-pci@...r.kernel.org,
	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>, Len Brown <lenb@...nel.org>,
	Matthew Garrett <mjg59@...f.ucam.org>
Subject: Re: [PATCH] PCI / ACPI: Report _OSC control mask returned on
 failure to get control

On Sat, 30 Apr 2011 00:21:38 +0200
"Rafael J. Wysocki" <rjw@...k.pl> wrote:

> From: Rafael J. Wysocki <rjw@...k.pl>
> 
> If an attempt to get _OSC control of the PCIe native features from
> the BIOS fails, report the resulting mask of control flags the BIOS
> was willing to grant in the error message.  Moreover, if the _OSC
> support mask is insufficient for requesting control of the PCIe
> native features or pcie_ports_disabled is set, print a diagnostic
> message containing the _OSC support mask.  This helps to diagnose
> obscure _OSC-related problems on a number machines.

Applied, thanks.

-- 
Jesse Barnes, Intel Open Source Technology Center
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