Re: [Resend][PATCH] PCI / ACPI: Request _OSC control once for eachroot bridge (v3)

From: Jesse Barnes
Date: Fri Jan 07 2011 - 17:28:39 EST

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

> From: Rafael J. Wysocki <rjw@xxxxxxx>
> 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:
> Reported-by: Ozan Caglayan <ozan@xxxxxxxxxxxxx>
> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
> ---
> 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

Jesse Barnes, Intel Open Source Technology Center
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