tree 079228fafa21a7d2920525c9d1e4b5a3edbcf390
parent 1e4c85f97fe26fbd70da12148b3992c0e00361fd
author Linus Torvalds <torvalds@g5.osdl.org> 1130821960 -0800
committer Linus Torvalds <torvalds@g5.osdl.org> 1130821960 -0800

Don't touch USB controller IO registers when they are disabled

The USB "handoff" code is an early PCI quirk to make sure we own the USB
controller (as opposed to the BIOS/SMM).  But if the controller isn't
even enabled yet, don't try to access it.

Acked-by: Paul Mackerras <paulus@samba.org> (who had an alternate patch)
Signed-off-by: Linus Torvalds <torvalds@osdl.org>