On 09/17/2012 11:03 AM, Yinghai Lu wrote: > On Sat, Sep 15, 2012 at 4:27 PM, Yinghai Lu <ying...@kernel.org> wrote: >> On Fri, Sep 14, 2012 at 8:05 PM, Jiang Liu <liu...@gmail.com> wrote: >>> From: Jiang Liu <jiang....@huawei.com> >>> >>> Now ACPI devices are created before/destroyed after corresponding PCI >>> devices, and acpi_platform_notify/acpi_platform_notify_remove will >>> update PCI<->ACPI binding relationship when creating/destroying PCI >>> devices, there's no need to invoke bind/unbind callbacks from ACPI >>> device probe/destroy routines anymore. So remove bind/unbind callbacks >>> from acpi_device_ops. >> for pci root bus, acpi_bus_trim() is used to remove acpi_device. >> >> and later in acpi_pci_root_remove to stop pci drivers/ioapic driver, >> iommu driver then remove pci devices. >> >> if call back is removed there, then could some functions in >> acpi_pci_unbind() will be skipped. >> >> I really do not want to add pci_stop_bus_devices() in >> pci_root_hp.c::handle_root_bridge_removal before >> calling acpi_bus_trim... > > FYI, I solved the problem. will call apci_bus_remove() two times. it > will make sure pci devices > get removed at first before acpi devices... Hi Yinghai, Great! So we could remove the acpi<->PCI logic now. Thanks! Gerry
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