MIPS: IP27: Remove pointless switch statement.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index a152538..3f810c9 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -66,18 +66,7 @@
 static void rt_set_mode(enum clock_event_mode mode,
 		struct clock_event_device *evt)
 {
-	switch (mode) {
-	case CLOCK_EVT_MODE_ONESHOT:
-		/* The only mode supported */
-		break;
-
-	case CLOCK_EVT_MODE_PERIODIC:
-	case CLOCK_EVT_MODE_UNUSED:
-	case CLOCK_EVT_MODE_SHUTDOWN:
-	case CLOCK_EVT_MODE_RESUME:
-		/* Nothing to do  */
-		break;
-	}
+	/* Nothing to do ...  */
 }
 
 int rt_timer_irq;