clk: clk-divider: 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/clk-divider.c b/drivers/clk/clk-divider.c
index 3b4b3c4..e692b9c 100644 (file)
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -218,7 +218,8 @@ static struct clk *_register_divider(struct udevice *dev, const char *name,
        clk = &div->clk;
        clk->flags = flags;
 
-       ret = clk_register(clk, UBOOT_DM_CLK_CCF_DIVIDER, name, parent_name);
+       ret = clk_register(clk, UBOOT_DM_CLK_CCF_DIVIDER, name,
+                          clk_resolve_parent_clk(dev, parent_name));
        if (ret) {
                kfree(div);
                return ERR_PTR(ret);