linux-kernel - Re: [Alternative 2][PATCH] ACPI / PCI: Set root bridge ACPI handle in advance

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Message-ID: <CAE9FiQWzc+tYTnJx96po+dY-3k-Bbv_Sg943jvGJcbGPDLfMmA@mail.gmail.com>
Date:	Fri, 4 Jan 2013 16:19:52 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Tony Luck <tony.luck@...el.com>,
	"H. Peter Anvin" <hpa@...or.com>, Jiang Liu <liuj97@...il.com>,
	Myron Stowe <myron.stowe@...hat.com>
Subject: Re: [Alternative 2][PATCH] ACPI / PCI: Set root bridge ACPI handle in advance

On Fri, Jan 4, 2013 at 4:14 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> On Friday, January 04, 2013 04:03:01 PM Yinghai Lu wrote:
>> On Fri, Jan 4, 2013 at 3:38 AM, Rafael J. Wysocki <rjw@...k.pl> wrote:
>> >> --- a/arch/x86/include/asm/pci.h
>> >> +++ b/arch/x86/include/asm/pci.h
>> >> @@ -14,6 +14,7 @@
>> >>  struct pci_sysdata {
>> >>       int             domain;         /* PCI domain */
>> >>       int             node;           /* NUMA node */
>> >> +     void            *acpi_handle;
>> >>  #ifdef CONFIG_X86_64
>> >>       void            *iommu;         /* IOMMU private data */
>> >>  #endif
>> >>
>>
>> acpi_handle is not good name and it is confusing.
>
> Well, what would be a better name in your opinion?
>
> I was going to put that into a #ifdef CONFIG_ACPI / #endif, so what about
> calling it acpi_data?

yes, with #ifdef, you can use acpi_handle type directly.

it is acpi handle for pci_root.

so would call int pci_root_acpi_handle ?

Thanks

Yinghai
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