[ARM] realview: remove useless smp_cross_call_done()

smp_cross_call_done() is a no-op for MPCore, and since it's only
used by platform code, there's no point in having it unless it's
doing something.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-realview/include/mach/smp.h

@@ -20,11 +20,4 @@ static inline void smp_cross_call(const struct cpumask *mask)
 	gic_raise_softirq(mask, 1);
 }
 
-/*
- * Do nothing on MPcore.
- */
-static inline void smp_cross_call_done(const struct cpumask *mask)
-{
-}
-
 #endif

arch/arm/mach-realview/platsmp.c

@@ -77,13 +77,6 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
 {
 	trace_hardirqs_off();
 
-	/*
-	 * the primary core may have used a "cross call" soft interrupt
-	 * to get this processor out of WFI in the BootMonitor - make
-	 * sure that we are no longer being sent this soft interrupt
-	 */
-	smp_cross_call_done(cpumask_of(cpu));
-
 	/*
 	 * if any interrupts are already enabled for the primary
 	 * core (e.g. timer irq), then they will not have been enabled