linux-kernel - Re: [Patch v6 5/7] ACPI, PCI: Reset acpi_root_dev->domain to 0 when pci_ignore

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Date:	Tue, 6 Oct 2015 12:54:44 -0500
From:	Bjorn Helgaas <helgaas@...nel.org>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
	Marc Zyngier <marc.zyngier@....com>,
	Hanjun Guo <hanjun.guo@...aro.org>,
	Liviu Dudau <Liviu.Dudau@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-pci@...r.kernel.org
Subject: Re: [Patch v6 5/7] ACPI, PCI: Reset acpi_root_dev->domain to 0 when
 pci_ignore_seg is set

On Mon, Sep 14, 2015 at 04:07:34PM +0800, Jiang Liu wrote:
> Reset acpi_root_dev->domain to 0 when pci_ignore_seg is set to keep
> consistence between ACPI PCI root device and PCI host bridge device.
> 
> Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>

Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>

> ---
>  arch/x86/pci/acpi.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
> index ff9911707160..5bc018559cc4 100644
> --- a/arch/x86/pci/acpi.c
> +++ b/arch/x86/pci/acpi.c
> @@ -401,7 +401,7 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
>  	int node;
>  
>  	if (pci_ignore_seg)
> -		domain = 0;
> +		root->segment = domain = 0;
>  
>  	if (domain && !pci_domains_supported) {
>  		printk(KERN_WARNING "pci_bus %04x:%02x: "
> -- 
> 1.7.10.4
> 
> --
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