rtc: sun6i: Remove double init of spinlock in sun6i_rtc_clk_init()

Remove double init of spinlock in sun6i_rtc_clk_init()

Fixes: 847b8bf62eb4 ("rtc: sun6i: Expose the 32kHz oscillator")
Signed-off-by: Alexey Klimov <alexey.klimov@arm.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
index 39cbc12..7e7da60 100644
--- a/drivers/rtc/rtc-sun6i.c
+++ b/drivers/rtc/rtc-sun6i.c
@@ -193,12 +193,12 @@ static void __init sun6i_rtc_clk_init(struct device_node *node)
 	rtc = kzalloc(sizeof(*rtc), GFP_KERNEL);
 	if (!rtc)
 		return;
-	spin_lock_init(&rtc->lock);
 
 	clk_data = kzalloc(sizeof(*clk_data) + sizeof(*clk_data->hws),
 			   GFP_KERNEL);
 	if (!clk_data)
 		return;
+
 	spin_lock_init(&rtc->lock);
 
 	rtc->base = of_io_request_and_map(node, 0, of_node_full_name(node));