Now we have pci_root_buses list, and there is lots of iteration with
list_of_each of it, that is not safe after we add pci root bus hotplug
support after booting stage.
Add pci_get_next_host_bridge and use bus_find_device in driver core to
iterate host bridge and the same time get root bus.
We replace searching root bus with searching host_bridge,
as host_bridge->bus is the root bus.
After those replacing, we even could kill pci_root_buses list.
based on pci/next
could get from
git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-pci-for-each-host-bridge
-v2: updated after pci_root_bus_hotplug get into pci/next
-v3: update changelog and add cc for pci core change for arch guys.
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Cc: Doug Thompson <dougthompson@xxxxxxxxxxxx>
Cc: linux-edac@xxxxxxxxxxxxxxx
Cc: x86@xxxxxxxxxx
Cc: David Airlie <airlied@xxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: sparclinux@xxxxxxxxxxxxxxx
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: linux-ia64@xxxxxxxxxxxxxxx
Cc: linux-altix@xxxxxxx
Cc: Richard Henderson <rth@xxxxxxxxxxx>
Cc: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>
Cc: Matt Turner <mattst88@xxxxxxxxx>
Cc: linux-alpha@xxxxxxxxxxxxxxx
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: David Howells <dhowells@xxxxxxxxxx>
Cc: Michal Simek <monstr@xxxxxxxxx>
Cc: microblaze-uclinux@xxxxxxxxxxxxxx
Cc: Koichi Yasutake <yasutake.koichi@xxxxxxxxxxxxxxxx>
Cc: linux-am33-list@xxxxxxxxxx
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
Yinghai Lu (22):
PCI: Rename pci_release_bus_bridge_dev to pci_release_host_bridge_dev
PCI: Add dummy bus_type for pci_host_bridge
PCI, libata: remove find_bridge in acpi_bus_type
PCI, ACPI: Update comments for find_bridge in acpi_bus_type
PCI: Add for_each_pci_host_bridge() and pci_get_next_host_bridge
PCI, hotplug: Kill pci_find_next_bus in sgi_hotplug
PCI: Kill pci_find_next_bus in pci_sysfs
PCI, edac: Kill pci_find_next_bus in edac
PCI, x86: Kill pci_find_next_bus in pcibios_scan_root
PCI, x86: Kill pci_root_buses in resources reservations
PCI, drm: Kill pci_root_buses in alpha hose setting
PCI: Kill pci_root_buses in setup-bus
PCI, sparc: Kill pci_find_next_bus
PCI, ia64: Kill pci_find_next_bus
PCI, alpha: Kill pci_root_buses
PCI, arm: Kill pci_root_buses
PCI, frv: Kill pci_root_buses in resources reservations
PCI, microblaze: Kill pci_root_buses in resources reservations
PCI, mn10300: Kill pci_root_buses in resources reservations
PCI, powerpc: Kill pci_root_buses in resources reservations
PCI: Kill pci_find_next_bus
PCI: Kill pci_root_buses
arch/alpha/kernel/pci.c | 6 +--
arch/arm/kernel/bios32.c | 9 ++---
arch/frv/mb93090-mb00/pci-frv.c | 37 +++++++++---------
arch/ia64/hp/common/sba_iommu.c | 7 ++--
arch/ia64/sn/kernel/io_common.c | 5 ++-
arch/microblaze/pci/pci-common.c | 10 ++---
arch/mn10300/unit-asb2305/pci-asb2305.c | 62 ++++++++++++++++---------------
arch/powerpc/kernel/pci-common.c | 13 +++----
arch/powerpc/kernel/pci_64.c | 8 ++--
arch/sparc/kernel/pci.c | 6 ++-
arch/x86/pci/common.c | 9 +++--
arch/x86/pci/i386.c | 20 +++++-----
drivers/ata/libata-acpi.c | 6 ---
drivers/edac/i7core_edac.c | 6 +--
drivers/gpu/drm/drm_fops.c | 10 +++--
drivers/pci/hotplug/sgi_hotplug.c | 6 ++-
drivers/pci/pci-driver.c | 11 +++++-
drivers/pci/pci-sysfs.c | 6 +--
drivers/pci/probe.c | 13 ++-----
drivers/pci/search.c | 61 +++++++++++++++---------------
drivers/pci/setup-bus.c | 24 ++++++------
include/acpi/acpi_bus.h | 2 +-
include/linux/pci.h | 18 +++++----
23 files changed, 187 insertions(+), 168 deletions(-)
--
1.7.10.4
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