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    USB: EHCI: suppress unwanted error messages · 3a31155c
    Alan Stern 提交于
    This patch (as1096) fixes an annoying problem: When a full-speed or
    low-speed device is plugged into an EHCI controller, it fails to
    enumerate at high speed and then is handed over to the companion
    controller.  But usbcore logs a misleading and unwanted error message
    when the high-speed enumeration fails.
    
    The patch adds a new HCD method, port_handed_over, which asks whether
    a port has been handed over to a companion controller.  If it has, the
    error message is suppressed.
    Signed-off-by: NAlan Stern <stern@rowland.harvard.edu>
    CC: David Brownell <david-b@pacbell.net>
    Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
    3a31155c
hub.c 92.3 KB