timer: orion-timer: Only init timer once

Move the code making sure that the timer is initialized only once into
orion_timer_init(), which is called from timer_early_init() and from
orion_timer_probe(). This way the timer is not re-initialized.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Michael Walle <michael@walle.cc>
Cc: Pali Rohár <pali@kernel.org>
diff --git a/drivers/timer/orion-timer.c b/drivers/timer/orion-timer.c
index cd63ea9..d0eab3c 100644
--- a/drivers/timer/orion-timer.c
+++ b/drivers/timer/orion-timer.c
@@ -28,6 +28,11 @@
 /* Common functions for early (boot) and DM based timer */
 static void orion_timer_init(void *base, enum input_clock_type type)
 {
+	/* Only init the timer once */
+	if (early_init_done)
+		return;
+	early_init_done = true;
+
 	writel(~0, base + TIMER0_VAL);
 	writel(~0, base + TIMER0_RELOAD);
 
@@ -51,11 +56,6 @@
 /* Early (e.g. bootstage etc) timer functions */
 static void notrace timer_early_init(void)
 {
-	/* Only init the timer once */
-	if (early_init_done)
-		return;
-	early_init_done = true;
-
 	if (IS_ENABLED(CONFIG_ARCH_MVEBU))
 		orion_timer_init((void *)MVEBU_TIMER_BASE, INPUT_CLOCK_25MHZ);
 	else