5 files changed, 41 insertions, 32 deletions

diff --git a/drivers/clk/mvebu/ap-cpu-clk.c b/drivers/clk/mvebu/ap-cpu-clk.c
index 677cc3514849..1e44ace7d951 100644
--- a/drivers/clk/mvebu/ap-cpu-clk.c
+++ b/drivers/clk/mvebu/ap-cpu-clk.c
@@ -210,19 +210,21 @@ static int ap_cpu_clk_set_rate(struct clk_hw *hw, unsigned long rate,
 	return 0;
 }
 
-static long ap_cpu_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *parent_rate)
+static int ap_cpu_clk_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
-	int divider = *parent_rate / rate;
+	int divider = req->best_parent_rate / req->rate;
 
 	divider = min(divider, APN806_MAX_DIVIDER);
 
-	return *parent_rate / divider;
+	req->rate = req->best_parent_rate / divider;
+
+	return 0;
 }
 
 static const struct clk_ops ap_cpu_clk_ops = {
 	.recalc_rate	= ap_cpu_clk_recalc_rate,
-	.round_rate	= ap_cpu_clk_round_rate,
+	.determine_rate = ap_cpu_clk_determine_rate,
 	.set_rate	= ap_cpu_clk_set_rate,
 };
 
diff --git a/drivers/clk/mvebu/armada-37xx-periph.c b/drivers/clk/mvebu/armada-37xx-periph.c
index 13906e31bef8..bd0bc8e7b1e7 100644
--- a/drivers/clk/mvebu/armada-37xx-periph.c
+++ b/drivers/clk/mvebu/armada-37xx-periph.c
@@ -454,12 +454,12 @@ static unsigned long clk_pm_cpu_recalc_rate(struct clk_hw *hw,
 	return DIV_ROUND_UP_ULL((u64)parent_rate, div);
 }
 
-static long clk_pm_cpu_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *parent_rate)
+static int clk_pm_cpu_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	struct clk_pm_cpu *pm_cpu = to_clk_pm_cpu(hw);
 	struct regmap *base = pm_cpu->nb_pm_base;
-	unsigned int div = *parent_rate / rate;
+	unsigned int div = req->best_parent_rate / req->rate;
 	unsigned int load_level;
 	/* only available when DVFS is enabled */
 	if (!armada_3700_pm_dvfs_is_enabled(base))
@@ -474,13 +474,16 @@ static long clk_pm_cpu_round_rate(struct clk_hw *hw, unsigned long rate,
 
 		val >>= offset;
 		val &= ARMADA_37XX_NB_TBG_DIV_MASK;
-		if (val == div)
+		if (val == div) {
 			/*
 			 * We found a load level matching the target
 			 * divider, switch to this load level and
 			 * return.
 			 */
-			return *parent_rate / div;
+			req->rate = req->best_parent_rate / div;
+
+			return 0;
+		}
 	}
 
 	/* We didn't find any valid divider */
@@ -600,7 +603,7 @@ static int clk_pm_cpu_set_rate(struct clk_hw *hw, unsigned long rate,
 
 static const struct clk_ops clk_pm_cpu_ops = {
 	.get_parent = clk_pm_cpu_get_parent,
-	.round_rate = clk_pm_cpu_round_rate,
+	.determine_rate = clk_pm_cpu_determine_rate,
 	.set_rate = clk_pm_cpu_set_rate,
 	.recalc_rate = clk_pm_cpu_recalc_rate,
 };
diff --git a/drivers/clk/mvebu/clk-corediv.c b/drivers/clk/mvebu/clk-corediv.c
index 818b175391fa..628032341cbb 100644
--- a/drivers/clk/mvebu/clk-corediv.c
+++ b/drivers/clk/mvebu/clk-corediv.c
@@ -135,19 +135,21 @@ static unsigned long clk_corediv_recalc_rate(struct clk_hw *hwclk,
 	return parent_rate / div;
 }
 
-static long clk_corediv_round_rate(struct clk_hw *hwclk, unsigned long rate,
-			       unsigned long *parent_rate)
+static int clk_corediv_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	/* Valid ratio are 1:4, 1:5, 1:6 and 1:8 */
 	u32 div;
 
-	div = *parent_rate / rate;
+	div = req->best_parent_rate / req->rate;
 	if (div < 4)
 		div = 4;
 	else if (div > 6)
 		div = 8;
 
-	return *parent_rate / div;
+	req->rate = req->best_parent_rate / div;
+
+	return 0;
 }
 
 static int clk_corediv_set_rate(struct clk_hw *hwclk, unsigned long rate,
@@ -199,7 +201,7 @@ static const struct clk_corediv_soc_desc armada370_corediv_soc = {
 		.disable = clk_corediv_disable,
 		.is_enabled = clk_corediv_is_enabled,
 		.recalc_rate = clk_corediv_recalc_rate,
-		.round_rate = clk_corediv_round_rate,
+		.determine_rate = clk_corediv_determine_rate,
 		.set_rate = clk_corediv_set_rate,
 	},
 	.ratio_reload = BIT(8),
@@ -215,7 +217,7 @@ static const struct clk_corediv_soc_desc armada380_corediv_soc = {
 		.disable = clk_corediv_disable,
 		.is_enabled = clk_corediv_is_enabled,
 		.recalc_rate = clk_corediv_recalc_rate,
-		.round_rate = clk_corediv_round_rate,
+		.determine_rate = clk_corediv_determine_rate,
 		.set_rate = clk_corediv_set_rate,
 	},
 	.ratio_reload = BIT(8),
@@ -228,7 +230,7 @@ static const struct clk_corediv_soc_desc armada375_corediv_soc = {
 	.ndescs = ARRAY_SIZE(mvebu_corediv_desc),
 	.ops = {
 		.recalc_rate = clk_corediv_recalc_rate,
-		.round_rate = clk_corediv_round_rate,
+		.determine_rate = clk_corediv_determine_rate,
 		.set_rate = clk_corediv_set_rate,
 	},
 	.ratio_reload = BIT(8),
@@ -240,7 +242,7 @@ static const struct clk_corediv_soc_desc mv98dx3236_corediv_soc = {
 	.ndescs = ARRAY_SIZE(mv98dx3236_corediv_desc),
 	.ops = {
 		.recalc_rate = clk_corediv_recalc_rate,
-		.round_rate = clk_corediv_round_rate,
+		.determine_rate = clk_corediv_determine_rate,
 		.set_rate = clk_corediv_set_rate,
 	},
 	.ratio_reload = BIT(10),
diff --git a/drivers/clk/mvebu/clk-cpu.c b/drivers/clk/mvebu/clk-cpu.c
index db2b38c21304..0de7660e73d2 100644
--- a/drivers/clk/mvebu/clk-cpu.c
+++ b/drivers/clk/mvebu/clk-cpu.c
@@ -56,19 +56,21 @@ static unsigned long clk_cpu_recalc_rate(struct clk_hw *hwclk,
 	return parent_rate / div;
 }
 
-static long clk_cpu_round_rate(struct clk_hw *hwclk, unsigned long rate,
-			       unsigned long *parent_rate)
+static int clk_cpu_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	/* Valid ratio are 1:1, 1:2 and 1:3 */
 	u32 div;
 
-	div = *parent_rate / rate;
+	div = req->best_parent_rate / req->rate;
 	if (div == 0)
 		div = 1;
 	else if (div > 3)
 		div = 3;
 
-	return *parent_rate / div;
+	req->rate = req->best_parent_rate / div;
+
+	return 0;
 }
 
 static int clk_cpu_off_set_rate(struct clk_hw *hwclk, unsigned long rate,
@@ -159,7 +161,7 @@ static int clk_cpu_set_rate(struct clk_hw *hwclk, unsigned long rate,
 
 static const struct clk_ops cpu_ops = {
 	.recalc_rate = clk_cpu_recalc_rate,
-	.round_rate = clk_cpu_round_rate,
+	.determine_rate = clk_cpu_determine_rate,
 	.set_rate = clk_cpu_set_rate,
 };
 
diff --git a/drivers/clk/mvebu/dove-divider.c b/drivers/clk/mvebu/dove-divider.c
index 0a90452ee808..47cc49e4cd99 100644
--- a/drivers/clk/mvebu/dove-divider.c
+++ b/drivers/clk/mvebu/dove-divider.c
@@ -108,23 +108,23 @@ static unsigned long dove_recalc_rate(struct clk_hw *hw, unsigned long parent)
 	return rate;
 }
 
-static long dove_round_rate(struct clk_hw *hw, unsigned long rate,
-			    unsigned long *parent)
+static int dove_determine_rate(struct clk_hw *hw,
+			       struct clk_rate_request *req)
 {
 	struct dove_clk *dc = to_dove_clk(hw);
-	unsigned long parent_rate = *parent;
+	unsigned long parent_rate = req->best_parent_rate;
 	int divider;
 
-	divider = dove_calc_divider(dc, rate, parent_rate, false);
+	divider = dove_calc_divider(dc, req->rate, parent_rate, false);
 	if (divider < 0)
 		return divider;
 
-	rate = DIV_ROUND_CLOSEST(parent_rate, divider);
+	req->rate = DIV_ROUND_CLOSEST(parent_rate, divider);
 
 	pr_debug("%s(): %s divider=%u parent=%lu rate=%lu\n",
-		 __func__, dc->name, divider, parent_rate, rate);
+		 __func__, dc->name, divider, parent_rate, req->rate);
 
-	return rate;
+	return 0;
 }
 
 static int dove_set_clock(struct clk_hw *hw, unsigned long rate,
@@ -154,7 +154,7 @@ static int dove_set_clock(struct clk_hw *hw, unsigned long rate,
 
 static const struct clk_ops dove_divider_ops = {
 	.set_rate	= dove_set_clock,
-	.round_rate	= dove_round_rate,
+	.determine_rate = dove_determine_rate,
 	.recalc_rate	= dove_recalc_rate,
 };