linux-kernel - Re: [RESEND PATCH v3 0/2] Pass resources to pci_create

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Message-ID: <CAErSpo5py82G1=6BOTG4RSAj6_SRzN4fng6sECU2sS+u9quixw@mail.gmail.com>
Date:	Fri, 7 Oct 2011 15:50:49 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Deng-Cheng Zhu <dczhu@...s.com>
Cc:	jbarnes@...tuousgeek.org, ralf@...ux-mips.org, monstr@...str.eu,
	benh@...nel.crashing.org, paulus@...ba.org, davem@...emloft.net,
	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	x86@...nel.org, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org,
	eyal@...s.com, zenon@...s.com, dengcheng.zhu@...il.com
Subject: Re: [RESEND PATCH v3 0/2] Pass resources to pci_create_bus() and fix
 MIPS PCI resources

On Wed, Aug 31, 2011 at 8:48 PM, Deng-Cheng Zhu <dczhu@...s.com> wrote:
> (Resending the patch set to include more arch maintainers.)
>
> Change the pci_create_bus() interface to pass in available resources to get them
> settled down early. This is to avoid possible resource conflicts while doing
> pci_scan_slot() in pci_scan_child_bus(). Note that pcibios_fixup_bus() can get
> rid of such conflicts, but it's done AFTER scanning slots.
>
> In addition, MIPS PCI resources are now fixed using this new interface.

Jesse, I assume these are headed for the 3.2 merge window, right?

Do you have a git tree anywhere where we could check without having to
bother you?

Bjorn

> -- Changes --
> v3 - v2:
> o Do not do fixups for root buses in pcibios_fixup_bus().
> o Skip bus creation when bus resources cannot be allocated.
> o PCI domain/bus numbers added to the error info in controller_resources().
>
> v2 - v1:
> o Merge [PATCH 1/3] to [PATCH 3/3], so now 2 patches in total.
> o Add more info to patch description.
> o Fix arch breaks in default resource setup discovered by Bjorn Helgaas.
>
> Deng-Cheng Zhu (2):
>  PCI: Pass available resources into pci_create_bus()
>  MIPS: PCI: Pass controller's resources to pci_create_bus() in
>    pcibios_scanbus()
>
>  arch/microblaze/pci/pci-common.c |    3 +-
>  arch/mips/pci/pci.c              |   61 +++++++++++++++++++++++++++++++++-----
>  arch/powerpc/kernel/pci-common.c |    3 +-
>  arch/sparc/kernel/pci.c          |    3 +-
>  arch/x86/pci/acpi.c              |    2 +-
>  drivers/pci/probe.c              |   15 +++++++--
>  include/linux/pci.h              |    3 +-
>  7 files changed, 73 insertions(+), 17 deletions(-)
>
>
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