On Sun, May 04, 2014 at 12:23:35PM +0800, Yijing Wang wrote: > v1->v2: Add comments for new pci_is_bridge(). > > This patchset rename the current pci_is_bridge() to pci_has_subordinate(), > and introduce a new pci_is_bridge() which determine pci bridge by check > dev->hdr_type. The new one is more accurate. PCI Spec define the pci > device is a bridge by the dev->hdr_type = 0x01 || 0x02. > > There is no guarantee that a PCI bridge must attached a subordinate bus. > When PCI bridge is created but before the scan child bus, it has no > subordinate bus. Also users can remove the pci bus using > interface pci_remove_bus() in remove.c. > > So use new pci_is_bridge() check if the PCI device is bridge is better > choice. If user want check PCI bridge whether has a subordinate bus, > pci_has_subordinate() is a candidate. > > > Yijing Wang (13): > PCI: rename pci_is_bridge() to pci_has_subordinate() > PCI: Introduce new pci_is_bridge() helper function > PCI: Use new pci_is_bridge() to simplify code > x86/PCI: Use new pci_is_bridge() to simplify code > IA64/PCI: Use new pci_is_bridge() to simplify code > powerpc/PCI: Use new pci_is_bridge() to simplify code > sparc/PCI: Use new pci_is_bridge() to simplify code > PCI, rpaphp: Use new pci_is_bridge() to simplify code > PCI, shpchp: Use new pci_is_bridge() to simplify code > PCI, cpcihp: Use new pci_is_bridge() to simplify code > PCI, acpiphp: Use new pci_is_bridge() to simplify code > PCI, pcmcia: Use new pci_is_bridge() to simplify code > PCI, pciehp: Use new pci_is_bridge() to simplify code > > arch/ia64/pci/fixup.c | 4 +--- > arch/powerpc/kernel/pci-hotplug.c | 3 +-- > arch/powerpc/kernel/pci_of_scan.c | 3 +-- > arch/sparc/kernel/pci.c | 3 +-- > arch/x86/pci/fixup.c | 4 +--- > drivers/pci/hotplug/acpiphp_glue.c | 3 +-- > drivers/pci/hotplug/cpci_hotplug_pci.c | 3 +-- > drivers/pci/hotplug/pciehp_pci.c | 3 +-- > drivers/pci/hotplug/rpadlpar_core.c | 3 +-- > drivers/pci/hotplug/shpchp_pci.c | 3 +-- > drivers/pci/pci-acpi.c | 8 +------- > drivers/pci/pci-driver.c | 8 ++++---- > drivers/pci/pci.h | 2 +- > drivers/pci/probe.c | 3 +-- > drivers/pci/setup-bus.c | 4 +--- > drivers/pcmcia/cardbus.c | 3 +-- > include/linux/pci.h | 13 +++++++++++++ > 17 files changed, 32 insertions(+), 41 deletions(-) Applied to pci/pci_is_bridge for v3.16, thanks, Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
