cris: arch-v32: Switch do_timer() to xtime_update()

xtime_update() takes the xtime_lock itself.
Signed-off-by: Torben Hohn <torbenh@gmx.de>
Cc: hch@infradead.org
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: johnstul@us.ibm.com
Cc: Mikael Starvik <starvik@axis.com>
Cc: yong.zhang0@gmail.com
LKML-Reference: <20110127145941.23248.92547.stgit@localhost>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/cris/arch-v32/kernel/time.c

@@ -183,7 +183,7 @@ void handle_watchdog_bite(struct pt_regs *regs)
 
 /*
  * timer_interrupt() needs to keep up the real-time clock,
- * as well as call the "do_timer()" routine every clocktick.
+ * as well as call the "xtime_update()" routine every clocktick.
  */
 extern void cris_do_profile(struct pt_regs *regs);
 
@@ -216,9 +216,7 @@ static inline irqreturn_t timer_interrupt(int irq, void *dev_id)
 		return IRQ_HANDLED;
 
 	/* Call the real timer interrupt handler */
-	write_seqlock(&xtime_lock);
-	do_timer(1);
-	write_sequnlock(&xtime_lock);
+	xtime_update(1);
         return IRQ_HANDLED;
 }