On 2015/1/30 23:45, Bjorn Helgaas wrote: > On Fri, Jan 30, 2015 at 3:10 AM, Yijing Wang <wangyijing@xxxxxxxxxx> wrote: >> Hi Bjorn, >> Any comments for this series ? I'm so sorry to bother you. :) > > It's next in my queue after Wei Yang's powerpc sriov series. Here's > the queue I work from: > https://patchwork.ozlabs.org/project/linux-pci/list/?order=date OK, thanks. > > Bjorn > >> On 2015/1/21 8:29, Yijing Wang wrote: >>> v1->v2: >>> Split pci_host_bridge_list into a new patch, remove .phb_probe_mode >>> and rework powerpc .phb_of_scan_bus() for simpilicty suggested by >>> Arnd. Refresh some patch description log, and add a new patch to fix >>> build warning in ia64. >>> >>> This series is based on Bjorn's pci-next branch. >>> >>> Patch 1-4 ripped out pci_bus_add_devices() from pci scan interfaces >>> for better pci scan flow. >>> >>> Patch 5-11 make a generic pci_host_bridge to hold pci_host_bridge >>> related informations, and introduce a pci_host_bridge_ops to >>> support platform host drivers provide its own pci_host_bridge >>> related operations to setup pci_host_bridge during pci enumeration. >>> >>> Patch 12-28 apply the new pci scan interfaces to platform pci host >>> bridge drivers. >>> >>> Now in kernel, we scan pci bus use the following ways: >>> 1. pci_scan_bus. >>> parent = NULL, default io/mem/bus resources >>> call pci_bus_add_devices() >>> >>> 2. pci_scan_bus_parented() + pci_bus_add_devices() >>> default io/mem/bus resources, only used by xen >>> >>> 3. pci_scan_root_bus() + pci_bus_add_devices() >>> >>> 4. pci_create_root_bus() + pci_scan_child_bus() + pci_bus_add_devices() >>> >>> 5. pci_create_root_bus() + xx_of_scan_bus() + pci_bus_add_devices() >>> >>> And we have a lot of arch specific pci_domain_nr() and other platform >>> specific weak function like pcibios_root_bridge_prepare(). >>> >>> After applied this series, we have following scan interfaces: >>> >>> 1. pci_scan_bus_legacy() >>> parent = NULL, default io/mem/bus resources. >>> for legacy pci scan >>> >>> 2. pci_scan_root_bus() >>> for callers provide its own parent and io/mem/bus resources >>> but no platform specific pci_host_bridge operations >>> >>> 3. pci_scan_root_bridge() >>> for callers provide its own parent and io/mem/bus resources >>> and pci_host_bridge_ops. >>> >>> Besides, above pci scan interfaces all need addtionally call pci_bus_add_devices() >>> to set match_driver true and try to attach drivers. >>> >>> Also we could eliminate all arch specific pci_domain_nr() after applied this series. >>> >>> I tested this series on x86 (with or without ACPI). >>> Comments and tests are warmly welcome! >>> >>> Arnd Bergmann (1): >>> xen/PCI: Don't use deprecated function pci_scan_bus_parented() >>> >>> Yijing Wang (29): >>> PCI: Rip out pci_bus_add_devices() from pci_scan_bus() >>> PCI: Rip out pci_bus_add_devices() from pci_scan_root_bus() >>> PCI: Remove deprecated pci_scan_bus_parented() >>> PCI: Rename pci_scan_bus() to pci_scan_bus_legacy() >>> PCI: Combine PCI domain and bus number in u32 arg >>> PCI: Pass PCI domain number combined with root bus number >>> PCI: Introduce pci_host_assign_domain_nr() to assign domain >>> PCI: Separate pci_host_bridge creation out of pci_create_root_bus() >>> PCI: Introduce pci_host_bridge_list to manage host bridges >>> PCI: Save sysdata in pci_host_bridge drvdata >>> PCI: Introduce pci_host_bridge_ops to support host specific >>> operations >>> PCI: Introduce new scan function pci_scan_root_bridge() >>> PCI/x86: Refine pci_acpi_scan_root() with generic pci_host_bridge >>> PCI/IA64: Refine pci_acpi_scan_root() with generic pci_host_bridge >>> PCI/IA64: Fix the build warning about pci_domain_nr() >>> PCI/powerpc: Rename pcibios_root_bridge_prepare() >>> PCI/powerpc: Use pci_scan_root_bridge() for simplicity >>> PCI: Remove weak pcibios_root_bridge_prepare() >>> PCI/sparc: Use pci_scan_root_bridge() for simplicity >>> PCI: Introduce pci_bus_child_max_busnr() >>> PCI/Parisc: Use pci_scan_root_bus() for simplicity >>> PCI/mvebu: Use pci_common_init_dev() to simplify code >>> PCI/tegra: Remove redundant tegra_pcie_scan_bus() >>> PCI/designware: Use pci_scan_root_bus() for simplicity >>> PCI/xgene: Use pci_scan_root_bus() instead of pci_create_root_bus() >>> PCI: Rename __pci_create_root_bus() to pci_create_root_bus() >>> PCI: Export find_pci_host_bridge() >>> PCI: Remove platform specific pci_domain_nr() >>> PCI: Remove pci_bus_assign_domain_nr() >>> >>> arch/alpha/include/asm/pci.h | 2 - >>> arch/alpha/kernel/pci.c | 7 +- >>> arch/alpha/kernel/sys_nautilus.c | 4 +- >>> arch/frv/mb93090-mb00/pci-vdk.c | 6 +- >>> arch/ia64/include/asm/pci.h | 1 - >>> arch/ia64/pci/pci.c | 34 +++--- >>> arch/ia64/sn/kernel/io_acpi_init.c | 6 +- >>> arch/ia64/sn/kernel/io_init.c | 8 +- >>> arch/m68k/coldfire/pci.c | 3 +- >>> arch/microblaze/pci/pci-common.c | 17 +-- >>> arch/mips/include/asm/pci.h | 2 - >>> arch/mips/pci/pci.c | 5 +- >>> arch/mn10300/unit-asb2305/pci.c | 5 +- >>> arch/powerpc/include/asm/machdep.h | 2 +- >>> arch/powerpc/kernel/pci-common.c | 77 ++++++------ >>> arch/powerpc/platforms/pseries/pci.c | 8 +- >>> arch/powerpc/platforms/pseries/pseries.h | 2 +- >>> arch/powerpc/platforms/pseries/setup.c | 2 +- >>> arch/s390/pci/pci.c | 13 +-- >>> arch/sh/drivers/pci/pci.c | 6 +- >>> arch/sh/include/asm/pci.h | 2 - >>> arch/sparc/kernel/leon_pci.c | 1 + >>> arch/sparc/kernel/pci.c | 50 ++++---- >>> arch/sparc/kernel/pcic.c | 4 +- >>> arch/tile/include/asm/pci.h | 2 - >>> arch/tile/kernel/pci.c | 6 +- >>> arch/tile/kernel/pci_gx.c | 7 +- >>> arch/unicore32/kernel/pci.c | 13 +-- >>> arch/x86/include/asm/pci.h | 6 - >>> arch/x86/pci/acpi.c | 38 +++--- >>> arch/x86/pci/common.c | 4 +- >>> arch/xtensa/kernel/pci.c | 2 + >>> drivers/parisc/dino.c | 11 +-- >>> drivers/parisc/lba_pci.c | 7 +- >>> drivers/pci/host-bridge.c | 90 ++++++++++++++- >>> drivers/pci/host/pci-mvebu.c | 18 +--- >>> drivers/pci/host/pci-tegra.c | 16 --- >>> drivers/pci/host/pci-xgene.c | 3 +- >>> drivers/pci/host/pcie-designware.c | 4 +- >>> drivers/pci/hotplug/acpiphp_glue.c | 29 +----- >>> drivers/pci/hotplug/ibmphp_core.c | 6 +- >>> drivers/pci/pci.c | 42 ++++++- >>> drivers/pci/probe.c | 196 ++++++++++++------------------ >>> drivers/pci/xen-pcifront.c | 11 ++- >>> include/linux/pci.h | 47 +++++--- >>> include/uapi/linux/pci.h | 3 + >>> 46 files changed, 424 insertions(+), 404 deletions(-) >>> >>> >>> . >>> >> >> >> -- >> Thanks! >> Yijing >> >> -- >> 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 > > . > -- Thanks! Yijing -- 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
