linux-kernel - [RFC PATCH 0/3] Pass resources to pci_create

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Message-Id: <1314167063-15785-1-git-send-email-dengcheng.zhu@gmail.com>
Date:	Wed, 24 Aug 2011 14:24:20 +0800
From:	Deng-Cheng Zhu <dengcheng.zhu@...il.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,
	dengcheng.zhu@...il.com
Subject: [RFC PATCH 0/3] Pass resources to pci_create_bus() and fix MIPS PCI resources

For MIPS PCI, use the resources-list style to set up root resources rather than
filling in pci_bus->resource[] array directly. This will hide some ugly
implementation details.

In addition, 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.

Deng-Cheng Zhu (3):
  MIPS: PCI: Use pci_bus_remove_resources()/pci_bus_add_resource() to
    set up root resources
  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              |   49 +++++++++++++++++++++++++++++++++++--
 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, 66 insertions(+), 12 deletions(-)

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