clk: clk-mux: 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-mux.c b/drivers/clk/clk-mux.c
index e2331a0..d7411f8 100644
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -113,6 +113,11 @@
for (i = 0; i < mux->num_parents; i++) {
if (!strcmp(parent->dev->name, mux->parent_names[i]))
return i;
+ if (!strcmp(parent->dev->name,
+ clk_resolve_parent_clk(clk->dev,
+ mux->parent_names[i])))
+ return i;
+
}
return -EINVAL;
@@ -207,7 +212,8 @@
* for the corresponding clock (to do that define .set_parent() method).
*/
ret = clk_register(clk, UBOOT_DM_CLK_CCF_MUX, name,
- parent_names[clk_mux_get_parent(clk)]);
+ clk_resolve_parent_clk(dev,
+ parent_names[clk_mux_get_parent(clk)]));
if (ret) {
kfree(mux);
return ERR_PTR(ret);