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usb_serial: Kill port mutex

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The tty port has a port mutex used for all the port related locking so we
don't need the one in the USB serial layer any more.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox
2009-10-06 16:06:46 +01:00
committed by Greg Kroah-Hartman
parent e1108a63e1
commit 82fc594343
3 changed files with 2 additions and 6 deletions
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1
drivers/usb/serial/usb-serial.c
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@@ -897,7 +897,6 @@ int usb_serial_probe(struct usb_interface *interface,
spin_lock_init(&port->lock);
/* Keep this for private driver use for the moment but
should probably go away */
mutex_init(&port->mutex);
INIT_WORK(&port->work, usb_serial_port_work);
serial->port[i] = port;
port->dev.parent = &interface->dev;