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-rw-r--r--drivers/clk/mediatek/clk-mtk.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index d405eeab6f2..a74c039b9d1 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -217,17 +217,20 @@ static ulong mtk_find_parent_rate(struct mtk_clk_priv *priv, struct clk *clk,
case CLK_PARENT_APMIXED:
/* APMIXEDSYS can be parent or grandparent. */
if (dev_get_driver_ops(clk->dev) == &mtk_clk_apmixedsys_ops ||
- dev_get_driver_ops(clk->dev) == &mtk_clk_fixed_pll_ops)
+ dev_get_driver_ops(clk->dev) == &mtk_clk_fixed_pll_ops) {
parent_dev = clk->dev;
- else if (dev_get_driver_ops(priv->parent) == &mtk_clk_apmixedsys_ops ||
- dev_get_driver_ops(priv->parent) == &mtk_clk_fixed_pll_ops)
+ } else if (dev_get_driver_ops(priv->parent) == &mtk_clk_apmixedsys_ops ||
+ dev_get_driver_ops(priv->parent) == &mtk_clk_fixed_pll_ops) {
parent_dev = priv->parent;
- else if (dev_get_driver_ops(dev_get_parent(priv->parent)) == &mtk_clk_apmixedsys_ops ||
- dev_get_driver_ops(dev_get_parent(priv->parent)) == &mtk_clk_fixed_pll_ops)
- parent_dev = dev_get_parent(priv->parent);
- else
- return -EINVAL;
+ } else {
+ struct udevice *grandparent_dev = dev_get_parent(priv->parent);
+ if (dev_get_driver_ops(grandparent_dev) == &mtk_clk_apmixedsys_ops ||
+ dev_get_driver_ops(grandparent_dev) == &mtk_clk_fixed_pll_ops)
+ parent_dev = grandparent_dev;
+ else
+ return -EINVAL;
+ }
break;
case CLK_PARENT_TOPCKGEN:
if (dev_get_driver_ops(clk->dev) == &mtk_clk_topckgen_ops)