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USB: force handover port to companion when hub_port_connect_change fails

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This patch hands over the port to the companion when the
hub_port_connect_change fails.

Signed-off-by: Balaji Rao <balajirrao@gmail.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Balaji Rao
2007-11-22 01:58:14 +05:30
committed by Greg Kroah-Hartman
parent eb0be47dbb
commit 90da096ee4
8 changed files with 55 additions and 24 deletions
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3
drivers/usb/core/hcd.h
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@@ -210,6 +210,9 @@ struct hc_driver {
int (*start_port_reset)(struct usb_hcd *, unsigned port_num);
void (*hub_irq_enable)(struct usb_hcd *);
/* Needed only if port-change IRQs are level-triggered */
/* force handover of high-speed port to full-speed companion */
void (*relinquish_port)(struct usb_hcd *, int);
};
extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb);