microblaze: timer: Do not initialized system timer twice

Only one system timer can be setup. Do not initialize more system timers. Signed-off-by: Michal Simek <michal.simek@xilinx.com>
git-mirror · Jan 27, 2014 · 03fe0d3 · 03fe0d3
1 parent 839396a
commit 03fe0d3
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c
@@ -230,9 +230,15 @@ static int __init xilinx_clocksource_init(void)
 static void __init xilinx_timer_init(struct device_node *timer)
 {
 	struct clk *clk;
+	static int initialized;
 	u32 irq;
 	u32 timer_num = 1;
 
+	if (initialized)
+		return;
+
+	initialized = 1;
+
 	timer_baseaddr = of_iomap(timer, 0);
 	if (!timer_baseaddr) {
 		pr_err("ERROR: invalid timer base address\n");