ARC: smp: Rename platform hook @init_smp -> @init_cpu_smp

This conveys better that it is called for each cpu
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

arch/arc/include/asm/mach_desc.h

@@ -23,7 +23,7 @@
  * @dt_compat:		Array of device tree 'compatible' strings
  * 			(XXX: although only 1st entry is looked at)
  * @init_early:		Very early callback [called from setup_arch()]
- * @init_smp:		for each CPU (e.g. setup IPI)
+ * @init_cpu_smp:	for each CPU as it is coming up (SMP as well as UP)
  * 			[(M):init_IRQ(), (o):start_kernel_secondary()]
  * @init_machine:	arch initcall level callback (e.g. populate static
  * 			platform devices or parse Devicetree)
@@ -35,7 +35,7 @@ struct machine_desc {
 	const char		**dt_compat;
 	void			(*init_early)(void);
 #ifdef CONFIG_SMP
-	void			(*init_smp)(unsigned int);
+	void			(*init_cpu_smp)(unsigned int);
 #endif
 	void			(*init_machine)(void);
 	void			(*init_late)(void);

arch/arc/kernel/irq.c

@@ -28,8 +28,8 @@ void __init init_IRQ(void)
 
 #ifdef CONFIG_SMP
 	/* Master CPU can initialize it's side of IPI */
-	if (machine_desc->init_smp)
-		machine_desc->init_smp(smp_processor_id());
+	if (machine_desc->init_cpu_smp)
+		machine_desc->init_cpu_smp(smp_processor_id());
 #endif
 }
 

arch/arc/kernel/smp.c

@@ -131,8 +131,8 @@ void start_kernel_secondary(void)
 
 	pr_info("## CPU%u LIVE ##: Executing Code...\n", cpu);
 
-	if (machine_desc->init_smp)
-		machine_desc->init_smp(cpu);
+	if (machine_desc->init_cpu_smp)
+		machine_desc->init_cpu_smp(cpu);
 
 	arc_local_timer_setup();