We won't have such issues if we make ACPI use driver model. I've sent out a patch series which throw the legacy ACPI driver model away. The patches will be added to -mm tree. On Sat, 2006-10-21 at 00:55 +0800, Bjorn Helgaas wrote: > > acpi_bus_register_driver must return -ENODEV when no device with > > matching HID was found. E.g. battery also should currently get > always > > loaded even a system never has one. > > If the driver wants to unload if it doesn't find any devices, > it can easily do so by counting calls to its add() method, as > asus_acpi.c currently does. I don't think that's a good long- > term solution, though. I think it would be better to have a > hotplug scheme that loads the driver when the hardware is > found, like we do for PCI. > that's true. With this patch series, .uevent method of ACPI bus will be called when an ACPI device is found. Then udev script loads the right driver by checking hid/cid offered by .uevent method. thanks, Rui - 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
