v3->v4: introudce PCI VPD Sn support suggested by Bjorn, and other rework things. v2->v3: add a wrap function pci_dsn_init, fix other typo error and git am error. Thanks for Don Dutile and Paul Bolle 's review,comments and test. v1->v2: Modify pci_get_dsn to pci_device_serial_number, power off slot before remove the old device during resume to avoid old .remove() method to touch new hardware. Fix other typo and fail check problems. split the list_empty() guard into new patch. Thanks for Bjorn's review and comments. This series applied to Bjorn's pci-next branch. Yijing Wang (6): PCI,pciehp: avoid add a device already exist before suspend during resume PCI: introduce PCIe Device Serial Number Capability support PCI: Introduce Vital Product Data Serial Number capability support PCI: add pci_serial_number_changed() for device change identification PCI: add inspection of device change in pci_scan_single_device PCI,pciehp: identify device change during suspend drivers/pci/access.c | 13 +----- drivers/pci/hotplug/pciehp_core.c | 40 +++++++++++++++++-- drivers/pci/pci.c | 77 +++++++++++++++++++++++++++++++++++++ drivers/pci/pci.h | 14 ++++++- drivers/pci/probe.c | 4 ++ drivers/pci/vpd.c | 70 +++++++++++++++++++++++++++++++++ include/linux/pci.h | 4 ++ 7 files changed, 207 insertions(+), 15 deletions(-) -- 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