Re: [Resend][PATCH] ACPI / glue: Drop .find_bridge() callback from struct acpi_bus_type

Greg Kroah-Hartman
2013-02-27T22:20:37Z

On Wed, Feb 27, 2013 at 11:06:52PM +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> After PCI has stopped using the .find_bridge() callback in
> struct acpi_bus_type, the only remaining users of it are SATA and
> USB. However, SATA only pretends to be a user, because it points
> that callback to a stub always returning -ENODEV, and USB uses it
> 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.

Ick, that's not good. Can you have the original creator of that code
(someone else from Intel, I can't remember at the moment), fix that up
properly and send me patches?

> Please let me know if there are any objections.

No objection from me:

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>