linux-kernel - Re: [Resend][PATCH] PCI / ACPI: Request _OSC control once for each root bridge (v3)

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Date:	Fri, 7 Jan 2011 14:28:32 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	linux-pci@...r.kernel.org, Matthew Garrett <mjg59@...f.ucam.org>,
	Len Brown <lenb@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Ozan Caglayan <ozan@...dus.org.tr>
Subject: Re: [Resend][PATCH] PCI / ACPI: Request _OSC control once for each
 root bridge (v3)

On Fri, 7 Jan 2011 00:55:09 +0100
"Rafael J. Wysocki" <rjw@...k.pl> wrote:

> From: Rafael J. Wysocki <rjw@...k.pl>
> 
> Move the evaluation of acpi_pci_osc_control_set() (to request control
> of PCI Express native features) into acpi_pci_root_add() to avoid
> calling it many times for the same root complex with the same
> arguments.  Additionally, check if all of the requisite _OSC
> support bits are set before calling acpi_pci_osc_control_set() for
> a given root complex.
> 
> References: https://bugzilla.kernel.org/show_bug.cgi?id=20232
> Reported-by: Ozan Caglayan <ozan@...dus.org.tr>
> Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> ---
> 
> Hi,
> 
> This fixes a post-2.6.35 regression for Ozan, possibly -stable material.
> 

Applied, thanks, but I forgot the cc: stable, so please send the commit
id to stable@ once it lands in Linus's tree, if you still think it's
appropriate.

-- 
Jesse Barnes, Intel Open Source Technology Center
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