clk: qcom: clk-spmi-pmic-div: convert to use parent_data

The clk-spmi-pmic-div driver gets the parent name from the first (and
the only) clock parent. So, use parent data, index 0 to setup the clock.

Signed-off-by: Dmitry Baryshkov <[e-mail]>
Signed-off-by: Bjorn Andersson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/clk/qcom/clk-spmi-pmic-div.c

···
 	struct regmap *regmap;
 	struct device *dev = &pdev->dev;
 	struct device_node *of_node = dev->of_node;
-	const char *parent_name;
+	struct clk_parent_data parent_data = { .index = 0, };
 	int nclks, i, ret, cxo_hz;
 	char name[20];
 	u32 start;
···
 	cxo_hz = clk_get_rate(cxo);
 	clk_put(cxo);
 
-	parent_name = of_clk_get_parent_name(of_node, 0);
-	if (!parent_name) {
-		dev_err(dev, "missing parent clock\n");
-		return -ENODEV;
-	}
-
 	init.name = name;
-	init.parent_names = &parent_name;
+	init.parent_data = &parent_data;
 	init.num_parents = 1;
 	init.ops = &clk_spmi_pmic_div_ops;