diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c
index ca585440c54f..2bda11df7f0d 100644
--- a/drivers/clk/at91/at91sam9g45.c
+++ b/drivers/clk/at91/at91sam9g45.c
@@ -146,7 +146,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np)
 	if (IS_ERR(hw))
 		goto err_free;
 
-	hw = at91_clk_register_plldiv(regmap, "plladivck", NULL, hw);
+	hw = at91_clk_register_plldiv(regmap, "plladivck", hw);
 	if (IS_ERR(hw))
 		goto err_free;
 
diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c
index 2109b8cdf4ad..0c22b82ef368 100644
--- a/drivers/clk/at91/at91sam9n12.c
+++ b/drivers/clk/at91/at91sam9n12.c
@@ -172,7 +172,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np)
 	if (IS_ERR(hw))
 		goto err_free;
 
-	hw = at91_clk_register_plldiv(regmap, "plladivck", NULL, hw);
+	hw = at91_clk_register_plldiv(regmap, "plladivck", hw);
 	if (IS_ERR(hw))
 		goto err_free;
 
diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c
index 4cbb72a29f14..c2c5e9fe669c 100644
--- a/drivers/clk/at91/at91sam9x5.c
+++ b/drivers/clk/at91/at91sam9x5.c
@@ -194,7 +194,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np,
 	if (IS_ERR(hw))
 		goto err_free;
 
-	hw = at91_clk_register_plldiv(regmap, "plladivck", NULL, hw);
+	hw = at91_clk_register_plldiv(regmap, "plladivck", hw);
 	if (IS_ERR(hw))
 		goto err_free;
 
diff --git a/drivers/clk/at91/clk-plldiv.c b/drivers/clk/at91/clk-plldiv.c
index 1d5a0a6d299d..e4efb4ccab33 100644
--- a/drivers/clk/at91/clk-plldiv.c
+++ b/drivers/clk/at91/clk-plldiv.c
@@ -72,7 +72,7 @@ static const struct clk_ops plldiv_ops = {
 
 struct clk_hw * __init
 at91_clk_register_plldiv(struct regmap *regmap, const char *name,
-			 const char *parent_name, struct clk_hw *parent_hw)
+			 struct clk_hw *parent_hw)
 {
 	struct clk_plldiv *plldiv;
 	struct clk_hw *hw;
@@ -85,13 +85,8 @@ at91_clk_register_plldiv(struct regmap *regmap, const char *name,
 
 	init.name = name;
 	init.ops = &plldiv_ops;
-	if (parent_hw) {
-		init.parent_hws = (const struct clk_hw **)&parent_hw;
-		init.num_parents = 1;
-	} else {
-		init.parent_names = parent_name ? &parent_name : NULL;
-		init.num_parents = parent_name ? 1 : 0;
-	}
+	init.parent_hws = parent_hw ? (const struct clk_hw **)&parent_hw : NULL;
+	init.num_parents = parent_hw ? 1 : 0;
 	init.flags = CLK_SET_RATE_GATE;
 
 	plldiv->hw.init = &init;
diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c
index 13e251e59853..85193e4656b9 100644
--- a/drivers/clk/at91/dt-compat.c
+++ b/drivers/clk/at91/dt-compat.c
@@ -805,7 +805,7 @@ of_at91sam9x5_clk_plldiv_setup(struct device_node *np)
 	if (IS_ERR(regmap))
 		return;
 
-	hw = at91_clk_register_plldiv(regmap, name, NULL, parent_hw);
+	hw = at91_clk_register_plldiv(regmap, name, parent_hw);
 	if (IS_ERR(hw))
 		return;
 
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index 5fd1e76b3ec7..eed88a480b11 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -207,7 +207,7 @@ at91_clk_register_pll(struct regmap *regmap, const char *name,
 		      const struct clk_pll_characteristics *characteristics);
 struct clk_hw * __init
 at91_clk_register_plldiv(struct regmap *regmap, const char *name,
-			 const char *parent_name, struct clk_hw *parent_hw);
+			 struct clk_hw *parent_hw);
 
 struct clk_hw * __init
 sam9x60_clk_register_div_pll(struct regmap *regmap, spinlock_t *lock,
diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c
index b99a8bb9bf9a..75d5b1a3733b 100644
--- a/drivers/clk/at91/sama5d2.c
+++ b/drivers/clk/at91/sama5d2.c
@@ -226,7 +226,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np)
 	if (IS_ERR(hw))
 		goto err_free;
 
-	hw = at91_clk_register_plldiv(regmap, "plladivck", NULL, hw);
+	hw = at91_clk_register_plldiv(regmap, "plladivck", hw);
 	if (IS_ERR(hw))
 		goto err_free;
 
diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c
index 35a9dfd0e66d..a50e82460e70 100644
--- a/drivers/clk/at91/sama5d3.c
+++ b/drivers/clk/at91/sama5d3.c
@@ -173,7 +173,7 @@ static void __init sama5d3_pmc_setup(struct device_node *np)
 	if (IS_ERR(hw))
 		goto err_free;
 
-	hw = at91_clk_register_plldiv(regmap, "plladivck", NULL, hw);
+	hw = at91_clk_register_plldiv(regmap, "plladivck", hw);
 	if (IS_ERR(hw))
 		goto err_free;
 
diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c
index ae76c59c7d42..b6b41ceae13c 100644
--- a/drivers/clk/at91/sama5d4.c
+++ b/drivers/clk/at91/sama5d4.c
@@ -188,7 +188,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np)
 	if (IS_ERR(hw))
 		goto err_free;
 
-	hw = at91_clk_register_plldiv(regmap, "plladivck", NULL, hw);
+	hw = at91_clk_register_plldiv(regmap, "plladivck", hw);
 	if (IS_ERR(hw))
 		goto err_free;
 
