ARM: mvebu: Remove the unused argument of set_cpu_coherent()

set_cpu_coherent() took the SMP group ID as parameter. But this
parameter was never used, and the CPU always uses the SMP group 0. So
we can remove this parameter.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Link: https://lkml.kernel.org/r/1397488214-20685-5-git-send-email-gregory.clement@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

arch/arm/mach-mvebu/coherency.c

@@ -63,7 +63,7 @@ static struct of_device_id of_coherency_table[] = {
 /* Function defined in coherency_ll.S */
 int ll_set_cpu_coherent(void);
 
-int set_cpu_coherent(int smp_group_id)
+int set_cpu_coherent(void)
 {
 	if (!coherency_base) {
 		pr_warn("Can't make current CPU cache coherent.\n");
@@ -302,7 +302,7 @@ static void __init armada_370_coherency_init(struct device_node *np)
 	sync_cache_w(&coherency_phys_base);
 	coherency_base = of_iomap(np, 0);
 	coherency_cpu_base = of_iomap(np, 1);
-	set_cpu_coherent(0);
+	set_cpu_coherent();
 }
 
 static void __init armada_375_380_coherency_init(struct device_node *np)

arch/arm/mach-mvebu/coherency.h

@@ -15,8 +15,8 @@
 #define __MACH_370_XP_COHERENCY_H
 
 extern unsigned long coherency_phys_base;
+int set_cpu_coherent(void);
 
-int set_cpu_coherent(int smp_group_id);
 int coherency_init(void);
 int coherency_available(void);
 

arch/arm/mach-mvebu/platsmp.c

@@ -103,7 +103,7 @@ static void __init armada_xp_smp_prepare_cpus(unsigned int max_cpus)
 
 	set_secondary_cpus_clock();
 	flush_cache_all();
-	set_cpu_coherent(0);
+	set_cpu_coherent();
 
 	/*
 	 * In order to boot the secondary CPUs we need to ensure