clk: sunxi: get divs parent clock name from parent factor clock

Divs clocks consist of a parent factor clock with multiple outputs,
and seperate clocks for each output. Get the name of the parent
clock from the parent factor clock, instead of the DT node name.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Emilio López <emilio@elopez.com.ar>

drivers/clk/sunxi/clk-sunxi.c

@@ -869,7 +869,7 @@ static void __init sunxi_divs_clk_setup(struct device_node *node,
 					struct divs_data *data)
 {
 	struct clk_onecell_data *clk_data;
-	const char *parent  = node->name;
+	const char *parent;
 	const char *clk_name;
 	struct clk **clks, *pclk;
 	struct clk_hw *gate_hw, *rate_hw;
@@ -883,6 +883,7 @@ static void __init sunxi_divs_clk_setup(struct device_node *node,
 
 	/* Set up factor clock that we will be dividing */
 	pclk = sunxi_factors_clk_setup(node, data->factors);
+	parent = __clk_get_name(pclk);
 
 	reg = of_iomap(node, 0);