On Thu, Oct 4, 2012 at 10:47 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: > On Wed, Oct 03, 2012 at 04:00:10PM -0700, Yinghai Lu wrote: > This is a fundamental difference: at boot-time, all the ACPI devices below the > host bridge already exist before the pci_root.c driver claims the bridge, > while at hot-add time, pci_root.c claims the bridge *before* those ACPI > devices exist. > > I think this is wrong. The hot-plug case (where the driver is already > loaded and binds to the device as soon as it's discovered, before the > ACPI hierarchy below it is enumerated) seems like the obviously correct > order. I think we should change the boot-time order to match that, i.e., > we should register pci_root.c *before* enumerating ACPI devices. in booting path, all device get probed at first, and then register driver... do you want to register all pci driver before probing pci devices? Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html