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

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Message-ID: <1314349633-13155-1-git-send-email-dczhu@mips.com>
Date:	Fri, 26 Aug 2011 17:07:11 +0800
From:	Deng-Cheng Zhu <dczhu@...s.com>
To:	<jbarnes@...tuousgeek.org>, <ralf@...ux-mips.org>
CC:	<linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-mips@...ux-mips.org>, <eyal@...s.com>, <zenon@...s.com>,
	<dczhu@...s.com>, <dengcheng.zhu@...il.com>
Subject: [PATCH v3 0/2] Pass resources to pci_create_bus() and fix MIPS PCI resources

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.

-- 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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