ARM: consolidate SMP cross call implementation

Rather than having each platform class provide a mach/smp.h header for
smp_cross_call(), arrange for them to register the function with the
core ARM SMP code instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 4 insertions, 20 deletions

diff --git a/arch/arm/mach-exynos4/include/mach/smp.h b/arch/arm/mach-exynos4/include/mach/smp.h
deleted file mode 100644
index a463dcebcfd3..000000000000
--- a/arch/arm/mach-exynos4/include/mach/smp.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/* linux/arch/arm/mach-exynos4/include/mach/smp.h
- *
- * Cloned from arch/arm/mach-realview/include/mach/smp.h
-*/
-
-#ifndef ASM_ARCH_SMP_H
-#define ASM_ARCH_SMP_H __FILE__
-
-#include <asm/hardware/gic.h>
-
-/*
- * We use IRQ1 as the IPI
- */
-static inline void smp_cross_call(const struct cpumask *mask, int ipi)
-{
-        gic_raise_softirq(mask, ipi);
-}
-
-#endif
diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c
index 6d35878ec1aa..c5e65a02be8d 100644
--- a/arch/arm/mach-exynos4/platsmp.c
+++ b/arch/arm/mach-exynos4/platsmp.c
@@ -22,6 +22,7 @@
 #include <linux/io.h>
 
 #include <asm/cacheflush.h>
+#include <asm/hardware/gic.h>
 #include <asm/smp_scu.h>
 #include <asm/unified.h>
 
@@ -104,7 +105,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
          * the boot monitor to read the system wide flags register,
          * and branch to the address found there.
          */
-        smp_cross_call(cpumask_of(cpu), 1);
+        gic_raise_softirq(cpumask_of(cpu), 1);
 
         timeout = jiffies + (1 * HZ);
         while (time_before(jiffies, timeout)) {
@@ -147,6 +148,8 @@ void __init smp_init_cpus(void)
 
         for (i = 0; i < ncores; i++)
                 set_cpu_possible(i, true);
+
+        set_smp_cross_call(gic_raise_softirq);
 }
 
 void __init platform_smp_prepare_cpus(unsigned int max_cpus)