clk: stm32: stm32-core: convert from round_rate() to determine_rate()

The round_rate() clk ops is deprecated, so migrate this driver from
round_rate() to determine_rate() using the Coccinelle semantic patch
on the cover letter of this series.

Reviewed-by: Gabriel Fernandez <[e-mail]>
Signed-off-by: Brian Masney <[e-mail]>

drivers/clk/stm32/clk-stm32-core.c

···
 	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];
 
···
 		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,
···
 
 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,
 };