1 files changed, 50 insertions, 29 deletions

diff --git a/drivers/clk/stm32/clk-stm32-core.c b/drivers/clk/stm32/clk-stm32-core.c
index 45a279e73779..72825b9c36a4 100644
--- a/drivers/clk/stm32/clk-stm32-core.c
+++ b/drivers/clk/stm32/clk-stm32-core.c
@@ -25,7 +25,6 @@ static int stm32_rcc_clock_init(struct device *dev,
 {
 	const struct stm32_rcc_match_data *data = match->data;
 	struct clk_hw_onecell_data *clk_data = data->hw_clks;
-	struct device_node *np = dev_of_node(dev);
 	struct clk_hw **hws;
 	int n, max_binding;
 
@@ -47,7 +46,7 @@ static int stm32_rcc_clock_init(struct device *dev,
 		struct clk_hw *hw = ERR_PTR(-ENOENT);
 
 		if (data->check_security &&
-		    data->check_security(base, cfg_clock))
+		    data->check_security(dev->of_node, base, cfg_clock))
 			continue;
 
 		if (cfg_clock->func)
@@ -64,12 +63,13 @@ static int stm32_rcc_clock_init(struct device *dev,
 			hws[cfg_clock->id] = hw;
 	}
 
-	return of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data);
+	return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, clk_data);
 }
 
 int stm32_rcc_init(struct device *dev, const struct of_device_id *match_data,
 		   void __iomem *base)
 {
+	const struct stm32_rcc_match_data *rcc_match_data;
 	const struct of_device_id *match;
 	int err;
 
@@ -79,8 +79,10 @@ int stm32_rcc_init(struct device *dev, const struct of_device_id *match_data,
 		return -ENODEV;
 	}
 
+	rcc_match_data = match->data;
+
 	/* RCC Reset Configuration */
-	err = stm32_rcc_reset_init(dev, match, base);
+	err = stm32_rcc_reset_init(dev, rcc_match_data->reset_data, base);
 	if (err) {
 		pr_err("stm32 reset failed to initialize\n");
 		return err;
@@ -275,6 +277,7 @@ static int clk_stm32_mux_set_parent(struct clk_hw *hw, u8 index)
 }
 
 const struct clk_ops clk_stm32_mux_ops = {
+	.determine_rate	= __clk_mux_determine_rate,
 	.get_parent	= clk_stm32_mux_get_parent,
 	.set_parent	= clk_stm32_mux_set_parent,
 };
@@ -348,14 +351,14 @@ static int clk_stm32_divider_set_rate(struct clk_hw *hw, unsigned long rate,
 	return ret;
 }
 
-static long clk_stm32_divider_round_rate(struct clk_hw *hw, unsigned long rate,
-					 unsigned long *prate)
+static int clk_stm32_divider_determine_rate(struct clk_hw *hw,
+					    struct clk_rate_request *req)
 {
 	struct clk_stm32_div *div = to_clk_stm32_divider(hw);
 	const struct stm32_div_cfg *divider;
 
 	if (div->div_id == NO_STM32_DIV)
-		return rate;
+		return 0;
 
 	divider = &div->clock_data->dividers[div->div_id];
 
@@ -366,14 +369,22 @@ static long clk_stm32_divider_round_rate(struct clk_hw *hw, unsigned long rate,
 		val =  readl(div->base + divider->offset) >> divider->shift;
 		val &= clk_div_mask(divider->width);
 
-		return divider_ro_round_rate(hw, rate, prate, divider->table,
-				divider->width, divider->flags,
-				val);
+		req->rate = divider_ro_round_rate(hw, req->rate,
+						  &req->best_parent_rate,
+						  divider->table,
+						  divider->width,
+						  divider->flags, val);
+
+		return 0;
 	}
 
-	return divider_round_rate_parent(hw, clk_hw_get_parent(hw),
-					 rate, prate, divider->table,
-					 divider->width, divider->flags);
+	req->rate = divider_round_rate_parent(hw, clk_hw_get_parent(hw),
+					      req->rate,
+					      &req->best_parent_rate,
+					      divider->table,
+					      divider->width, divider->flags);
+
+	return 0;
 }
 
 static unsigned long clk_stm32_divider_recalc_rate(struct clk_hw *hw,
@@ -389,7 +400,7 @@ static unsigned long clk_stm32_divider_recalc_rate(struct clk_hw *hw,
 
 const struct clk_ops clk_stm32_divider_ops = {
 	.recalc_rate	= clk_stm32_divider_recalc_rate,
-	.round_rate	= clk_stm32_divider_round_rate,
+	.determine_rate = clk_stm32_divider_determine_rate,
 	.set_rate	= clk_stm32_divider_set_rate,
 };
 
@@ -425,15 +436,15 @@ static unsigned long clk_stm32_composite_recalc_rate(struct clk_hw *hw,
 				      composite->div_id, parent_rate);
 }
 
-static long clk_stm32_composite_round_rate(struct clk_hw *hw, unsigned long rate,
-					   unsigned long *prate)
+static int clk_stm32_composite_determine_rate(struct clk_hw *hw,
+					      struct clk_rate_request *req)
 {
 	struct clk_stm32_composite *composite = to_clk_stm32_composite(hw);
-
 	const struct stm32_div_cfg *divider;
+	long rate;
 
 	if (composite->div_id == NO_STM32_DIV)
-		return rate;
+		return 0;
 
 	divider = &composite->clock_data->dividers[composite->div_id];
 
@@ -444,14 +455,24 @@ static long clk_stm32_composite_round_rate(struct clk_hw *hw, unsigned long rate
 		val =  readl(composite->base + divider->offset) >> divider->shift;
 		val &= clk_div_mask(divider->width);
 
-		return divider_ro_round_rate(hw, rate, prate, divider->table,
-				divider->width, divider->flags,
-				val);
+		rate = divider_ro_round_rate(hw, req->rate, &req->best_parent_rate,
+					     divider->table, divider->width, divider->flags,
+					     val);
+		if (rate < 0)
+			return rate;
+
+		req->rate = rate;
+		return 0;
 	}
 
-	return divider_round_rate_parent(hw, clk_hw_get_parent(hw),
-					 rate, prate, divider->table,
-					 divider->width, divider->flags);
+	rate = divider_round_rate_parent(hw, clk_hw_get_parent(hw),
+					 req->rate, &req->best_parent_rate,
+					 divider->table, divider->width, divider->flags);
+	if (rate < 0)
+		return rate;
+
+	req->rate = rate;
+	return 0;
 }
 
 static u8 clk_stm32_composite_get_parent(struct clk_hw *hw)
@@ -601,7 +622,7 @@ static void clk_stm32_composite_disable_unused(struct clk_hw *hw)
 const struct clk_ops clk_stm32_composite_ops = {
 	.set_rate	= clk_stm32_composite_set_rate,
 	.recalc_rate	= clk_stm32_composite_recalc_rate,
-	.round_rate	= clk_stm32_composite_round_rate,
+	.determine_rate	= clk_stm32_composite_determine_rate,
 	.get_parent	= clk_stm32_composite_get_parent,
 	.set_parent	= clk_stm32_composite_set_parent,
 	.enable		= clk_stm32_composite_gate_enable,
@@ -624,7 +645,7 @@ struct clk_hw *clk_stm32_mux_register(struct device *dev,
 	mux->lock = lock;
 	mux->clock_data = data->clock_data;
 
-	err = clk_hw_register(dev, hw);
+	err = devm_clk_hw_register(dev, hw);
 	if (err)
 		return ERR_PTR(err);
 
@@ -645,7 +666,7 @@ struct clk_hw *clk_stm32_gate_register(struct device *dev,
 	gate->lock = lock;
 	gate->clock_data = data->clock_data;
 
-	err = clk_hw_register(dev, hw);
+	err = devm_clk_hw_register(dev, hw);
 	if (err)
 		return ERR_PTR(err);
 
@@ -666,7 +687,7 @@ struct clk_hw *clk_stm32_div_register(struct device *dev,
 	div->lock = lock;
 	div->clock_data = data->clock_data;
 
-	err = clk_hw_register(dev, hw);
+	err = devm_clk_hw_register(dev, hw);
 	if (err)
 		return ERR_PTR(err);
 
@@ -687,7 +708,7 @@ struct clk_hw *clk_stm32_composite_register(struct device *dev,
 	composite->lock = lock;
 	composite->clock_data = data->clock_data;
 
-	err = clk_hw_register(dev, hw);
+	err = devm_clk_hw_register(dev, hw);
 	if (err)
 		return ERR_PTR(err);