On Thu, Feb 28, 2013 at 10:53:21PM +0100, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > > USB uses the .find_bridge() callback from struct acpi_bus_type > incorrectly, because as a result of the way it is used by USB every > device in the system that doesn't have a bus type or parent is > passed to usb_acpi_find_device() for inspection. > > What USB actually needs, though, is to call usb_acpi_find_device() > for USB ports that don't have a bus type defined, but have > usb_port_device_type as their device type, as well as for USB > devices. > > To fix that replace the struct bus_type pointer in struct > acpi_bus_type used for matching devices to specific subsystems > with a .match() callback to be used for this purpose and update > the users of struct acpi_bus_type, including USB, accordingly. > Define the .match() callback routine for USB, usb_acpi_bus_match(), > in such a way that it will cover both USB devices and USB ports > and remove the now redundant .find_bridge() callback pointer from > usb_acpi_bus. > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
