clk: meson: mpll: Switch from .round_rate to .determine_rate

clk_ops.round_rate will be removed at some point. It's replacement is
.determine_rate. Switch clk-mpll over to use .determine_rate.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20221225212632.2760126-2-martin.blumenstingl@googlemail.com
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>

Author: xdarklight

drivers/clk/meson/clk-mpll.c

@@ -87,16 +87,22 @@ static unsigned long mpll_recalc_rate(struct clk_hw *hw,
 	return rate < 0 ? 0 : rate;
 }
 
-static long mpll_round_rate(struct clk_hw *hw,
-			    unsigned long rate,
-			    unsigned long *parent_rate)
+static int mpll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
 {
 	struct clk_regmap *clk = to_clk_regmap(hw);
 	struct meson_clk_mpll_data *mpll = meson_clk_mpll_data(clk);
 	unsigned int sdm, n2;
+	long rate;
+
+	params_from_rate(req->rate, req->best_parent_rate, &sdm, &n2,
+			 mpll->flags);
 
-	params_from_rate(rate, *parent_rate, &sdm, &n2, mpll->flags);
-	return rate_from_params(*parent_rate, sdm, n2);
+	rate = rate_from_params(req->best_parent_rate, sdm, n2);
+	if (rate < 0)
+		return rate;
+
+	req->rate = rate;
+	return 0;
 }
 
 static int mpll_set_rate(struct clk_hw *hw,
@@ -157,13 +163,13 @@ static int mpll_init(struct clk_hw *hw)
 
 const struct clk_ops meson_clk_mpll_ro_ops = {
 	.recalc_rate	= mpll_recalc_rate,
-	.round_rate	= mpll_round_rate,
+	.determine_rate	= mpll_determine_rate,
 };
 EXPORT_SYMBOL_GPL(meson_clk_mpll_ro_ops);
 
 const struct clk_ops meson_clk_mpll_ops = {
 	.recalc_rate	= mpll_recalc_rate,
-	.round_rate	= mpll_round_rate,
+	.determine_rate	= mpll_determine_rate,
 	.set_rate	= mpll_set_rate,
 	.init		= mpll_init,
 };