jsm: removing unused spinlock

This patch removes bd_lock spinlock (inside jsm_board structure).
The lock is initialized in the probe function and not used anymore.
Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/serial/jsm/jsm.h

@@ -130,8 +130,6 @@ struct jsm_board
 	struct pci_dev	*pci_dev;
 	u32		maxports;	/* MAX ports this board can handle */
 
-	spinlock_t	bd_lock;	/* Used to protect board */
-
 	spinlock_t	bd_intr_lock;	/* Used to protect the poller tasklet and
 					 * the interrupt routine from each other.
 					 */

drivers/serial/jsm/jsm_driver.c

@@ -88,7 +88,6 @@ static int __devinit jsm_probe_one(struct pci_dev *pdev, const struct pci_device
 	else
 		brd->maxports = 2;
 
-	spin_lock_init(&brd->bd_lock);
 	spin_lock_init(&brd->bd_intr_lock);
 
 	/* store which revision we have */