sh: smp: Hook up a timer IPI stub.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index ebfdd364544f..9cb3734dbd49 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -184,6 +184,21 @@ 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();
+        /* XXX ... */
+        irq_exit();
+}
+
 void smp_message_recv(unsigned int msg)
 {
         switch (msg) {
@@ -195,6 +210,9 @@ void smp_message_recv(unsigned int msg)
         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);