On 2015/4/7 19:48, Rafael J. Wysocki wrote:
> On Tuesday, April 07, 2015 12:31:05 PM Jiang Liu wrote:
>> As suggested by Bjorn, this patch set consolidates common ACPI PCI host
>> bridge code from x86 and IA64 into ACPI core. It may also help to
>> support ACPI PCI host bridge on ARM64 platfrom too in future.
>>
>> It introduces struct acpi_pci_root_ops and acpi_pci_root_create().
>> Arch code only needs to implement struct acpi_pci_root_ops and then
>> invoke acpi_pci_root_create() to parse ACPI resources and create
>> PCI root bus.
>> struct acpi_pci_root_info_common {
>> struct pci_controller controller;
>> struct acpi_pci_root *root;
>> struct acpi_device *bridge;
>> struct acpi_pci_root_ops *ops;
>> struct list_head resources;
>> char name[16];
>> };
>> struct acpi_pci_root_ops {
>> struct pci_ops *pci_ops;
>> int (*init_info)(struct acpi_pci_root_info_common *info);
>> void (*release_info)(struct acpi_pci_root_info_common *info);
>> int (*prepare_resources)(struct acpi_pci_root_info_common *info,
>> int status);
>> };
>> extern struct pci_bus *acpi_pci_root_create(struct acpi_pci_root *root,
>> struct acpi_pci_root_ops *ops,
>> size_t extra_size);
>> It passes Fengguang's 0day test suite and has been tested on
>> 1) An Intel x86 4 socket platform
>> 2) An Intel IA64 SDV
>> 3) An HP IA64 platform
>>
>> And you may access it at:
>> https://github.com/jiangliu/linux.git acpi_pci_root_v1
>>
>> Thanks!
>> Gerry
>>
>> Jiang Liu (7):
>> ACPI/PCI: Enhance ACPI core to support sparse IO space
>> ia64/PCI/ACPI: Use common ACPI resource parsing interface for host
>> bridge
>> ia64/PCI: Use common struct resource_entry to replace struct
>> iospace_resource
>> x86/PCI: Rename struct pci_sysdata as struct pci_controller
>> PCI/ACPI: Consolidate common PCI host bridge code into ACPI core
>> x86/PCI/ACPI: Use common interface to support PCI host bridge
>> ia64/PCI/ACPI: Use common interface to support PCI host bridge
>>
>> arch/ia64/include/asm/pci.h | 5 -
>> arch/ia64/pci/pci.c | 360
>> ++++++++++-------------------------------
>> arch/x86/include/asm/pci.h | 12 +-
>> arch/x86/include/asm/pci_64.h | 4 +-
>> arch/x86/pci/acpi.c | 283 +++++++++-----------------------
>> arch/x86/pci/common.c | 2 +-
>> drivers/acpi/pci_root.c | 215 ++++++++++++++++++++++++
>> drivers/acpi/resource.c | 9 +-
>> include/linux/ioport.h | 1 +
>> include/linux/pci-acpi.h | 24 +++
>> 10 files changed, 409 insertions(+), 506 deletions(-)
>
> That's generally fine by me, but let's fix the resources issue first, shall
> we?
Hi Rafael,
Absolutely we should fix the bug first. Actually this patch set is
based on the ACPI resource bugfixing patch. There are too many
patches pending in my hand, so I send out this patch set earlier,
hoping we could catch up with v4.2.
Thanks!
Gerry
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