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USB: Force unbinding of drivers lacking reset_resume or other methods

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This patch (as1024) takes care of a FIXME issue: Drivers that don't
have the necessary suspend, resume, reset_resume, pre_reset, or
post_reset methods will be unbound and their interface reprobed when
one of the unsupported events occurs.

This is made slightly more difficult by the fact that bind operations
won't work during a system sleep transition.  So instead the code has
to defer the operation until the transition ends.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern
2008-06-23 16:00:40 -04:00
committed by Greg Kroah-Hartman
parent 64b3d6d119
commit 78d9a487ee
4 changed files with 140 additions and 21 deletions
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2
drivers/usb/core/usb.h
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@ -29,6 +29,8 @@ extern int usb_choose_configuration(struct usb_device *udev);
extern void usb_kick_khubd(struct usb_device *dev);
extern int usb_match_device(struct usb_device *dev,
const struct usb_device_id *id);
extern void usb_forced_unbind_intf(struct usb_interface *intf);
extern void usb_rebind_intf(struct usb_interface *intf);
extern int usb_hub_init(void);
extern void usb_hub_cleanup(void);