Merge branch 'for-rmk' of git://git.android.com/kernel into devel

1 files changed, 41 insertions, 2 deletions

diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 001778f9adaf..508dfb023628 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -3,7 +3,7 @@
  *
  * SMP support for the SuperH processors.
  *
- * Copyright (C) 2002 - 2007 Paul Mundt
+ * Copyright (C) 2002 - 2008 Paul Mundt
  * Copyright (C) 2006 - 2007 Akio Idehara
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -86,9 +86,12 @@ asmlinkage void __cpuinit start_secondary(void)
 
         local_irq_enable();
 
+        cpu = smp_processor_id();
+
+        /* Enable local timers */
+        local_timer_setup(cpu);
         calibrate_delay();
 
-        cpu = smp_processor_id();
         smp_store_cpu_info(cpu);
 
         cpu_set(cpu, cpu_online_map);
@@ -186,6 +189,42 @@ void arch_send_call_function_single_ipi(int cpu)
         plat_send_ipi(cpu, SMP_MSG_FUNCTION_SINGLE);
 }
 
+void smp_timer_broadcast(cpumask_t mask)
+{
+        int cpu;
+
+        for_each_cpu_mask(cpu, mask)
+                plat_send_ipi(cpu, SMP_MSG_TIMER);
+}
+
+static void ipi_timer(void)
+{
+        irq_enter();
+        local_timer_interrupt();
+        irq_exit();
+}
+
+void smp_message_recv(unsigned int msg)
+{
+        switch (msg) {
+        case SMP_MSG_FUNCTION:
+                generic_smp_call_function_interrupt();
+                break;
+        case SMP_MSG_RESCHEDULE:
+                break;
+        case SMP_MSG_FUNCTION_SINGLE:
+                generic_smp_call_function_single_interrupt();
+                break;
+        case SMP_MSG_TIMER:
+                ipi_timer();
+                break;
+        default:
+                printk(KERN_WARNING "SMP %d: %s(): unknown IPI %d\n",
+                       smp_processor_id(), __func__, msg);
+                break;
+        }
+}
+
 /* Not really SMP stuff ... */
 int setup_profiling_timer(unsigned int multiplier)
 {