tree b558ebc17728b2f92763f3ddc2fa94f54796e8a0
parent 615ae11b3b4af7a5adb0819ff11b3b764eb92268
author Alan Stern <stern@rowland.harvard.edu> 1178294220 -0400
committer Greg Kroah-Hartman <gregkh@suse.de> 1181345071 -0700

OHCI: Fix machine check in ohci_hub_status_data

This patch (as901) fixes an oversight in ohci-hcd.  The
hub_status_data routine must not try to access the controller's
memory-mapped registers if the controller is in a low-power state;
such attempts will cause a crash on some architectures (such as PPC).

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>