clk: imx: pllv3: Resolve parent clock by name

Use clock-names property which is accessible via parent clock OF node
to look up the parent clock by name instead of depending on unreliable
global clock name to perform look up.

Signed-off-by: Marek Vasut <marex@denx.de>

diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c
index bc9916385c8e74c4ef732e814f21f2ffecbe4a30..85b6a9809e8dbcd1c73c0f914077b54fbae85f1f 100644 (file)
--- a/drivers/clk/imx/clk-pllv3.c
+++ b/drivers/clk/imx/clk-pllv3.c
@@ -339,7 +339,8 @@ struct clk *imx_clk_pllv3(struct udevice *dev, enum imx_pllv3_type type,
        pll->div_mask = div_mask;
        clk = &pll->clk;
 
-       ret = clk_register(clk, drv_name, name, parent_name);
+       ret = clk_register(clk, drv_name, name,
+                          clk_resolve_parent_clk(dev, parent_name));
        if (ret) {
                kfree(pll);
                return ERR_PTR(ret);