Merge tag 'clk-round-rate-6.18' of https://github.com/masneyb/linux into clk-determine-rate

Pull clk_ops::round_rate conversion to clk_ops::determine_rate() from Brian Masney:

The round_rate() clk ops is deprecated in the clk framework in favor
of the determine_rate() clk ops, so let's go ahead and convert the
various clk drivers using the Coccinelle semantic patch posted below.
I did some minor cosmetic cleanups of the code in some cases.

Coccinelle semantic patch:

virtual patch

// Look up the current name of the round_rate function
@ has_round_rate @
identifier round_rate_name =~ ".*_round_rate";
identifier hw_param, rate_param, parent_rate_param;
@@

long round_rate_name(struct clk_hw *hw_param, unsigned long rate_param,
unsigned long *parent_rate_param)
{
...
}

// Rename the route_rate function name to determine_rate()
@ script:python generate_name depends on has_round_rate @
round_rate_name << has_round_rate.round_rate_name;
new_name;
@@

coccinelle.new_name = round_rate_name.replace("_round_rate", "_determine_rate")

// Change rate to req->rate; also change occurrences of 'return XXX'.
@ chg_rate depends on generate_name @
identifier has_round_rate.round_rate_name;
identifier has_round_rate.hw_param;
identifier has_round_rate.rate_param;
identifier has_round_rate.parent_rate_param;
identifier ERR =~ "E.*";
expression E;
@@

long round_rate_name(struct clk_hw *hw_param, unsigned long rate_param,
unsigned long *parent_rate_param)
{
<...
(
-return -ERR;
+return -ERR;
|
- return rate_param;
+ return 0;
|
- return E;
+ req->rate = E;
+
+ return 0;
|
- rate_param
+ req->rate
)
...>
}

// Coccinelle only transforms the first occurrence of the rate parameter
// Run a second time. FIXME: Is there a better way to do this?
@ chg_rate2 depends on generate_name @
identifier has_round_rate.round_rate_name;
identifier has_round_rate.hw_param;
identifier has_round_rate.rate_param;
identifier has_round_rate.parent_rate_param;
@@

long round_rate_name(struct clk_hw *hw_param, unsigned long rate_param,
unsigned long *parent_rate_param)
{
<...
- rate_param
+ req->rate
...>
}

// Change parent_rate to req->best_parent_rate
@ chg_parent_rate depends on generate_name @
identifier has_round_rate.round_rate_name;
identifier has_round_rate.hw_param;
identifier has_round_rate.rate_param;
identifier has_round_rate.parent_rate_param;
@@

long round_rate_name(struct clk_hw *hw_param, unsigned long rate_param,
unsigned long *parent_rate_param)
{
<...
(
- *parent_rate_param
+ req->best_parent_rate
|
- parent_rate_param
+ &req->best_parent_rate
)
...>
}

// Convert the function definition from round_rate() to determine_rate()
@ func_definition depends on chg_rate @
identifier has_round_rate.round_rate_name;
identifier has_round_rate.hw_param;
identifier has_round_rate.rate_param;
identifier has_round_rate.parent_rate_param;
identifier generate_name.new_name;
@@

- long round_rate_name(struct clk_hw *hw_param, unsigned long rate_param,
- unsigned long *parent_rate_param)
+ int new_name(struct clk_hw *hw, struct clk_rate_request *req)
{
...
}

// Update the ops from round_rate() to determine_rate()
@ ops depends on func_definition @
identifier has_round_rate.round_rate_name;
identifier generate_name.new_name;
@@

{
...,
- .round_rate = round_rate_name,
+ .determine_rate = new_name,
...,
}

Note that I used coccinelle 1.2 instead of 1.3 since the newer version
adds unnecessary braces as described in this post.
https://lore.kernel.org/cocci/[e-mail]/

* tag 'clk-round-rate-6.18' of https://github.com/masneyb/linux: (118 commits)
clk: scmi: migrate round_rate() to determine_rate()
clk: ti: fapll: convert from round_rate() to determine_rate()
clk: ti: dra7-atl: convert from round_rate() to determine_rate()
clk: ti: divider: convert from round_rate() to determine_rate()
clk: ti: composite: convert from round_rate() to determine_rate()
clk: ti: dpll: convert from round_rate() to determine_rate()
clk: ti: dpll: change error return from ~0 to -EINVAL
clk: ti: dpll: remove round_rate() in favor of determine_rate()
clk: tegra: tegra210-emc: convert from round_rate() to determine_rate()
clk: tegra: super: convert from round_rate() to determine_rate()
clk: tegra: pll: convert from round_rate() to determine_rate()
clk: tegra: periph: divider: convert from round_rate() to determine_rate()
clk: tegra: divider: convert from round_rate() to determine_rate()
clk: tegra: audio-sync: convert from round_rate() to determine_rate()
clk: fixed-factor: drop round_rate() clk ops
clk: divider: remove round_rate() in favor of determine_rate()
clk: visconti: pll: convert from round_rate() to determine_rate()
clk: versatile: vexpress-osc: convert from round_rate() to determine_rate()
clk: versatile: icst: convert from round_rate() to determine_rate()
clk: versaclock7: convert from round_rate() to determine_rate()
...

drivers/clk/actions/owl-composite.c

···
 					rate, parent_rate);
 }
 
-static long owl_comp_fix_fact_round_rate(struct clk_hw *hw, unsigned long rate,
-			unsigned long *parent_rate)
+static int owl_comp_fix_fact_determine_rate(struct clk_hw *hw,
+					    struct clk_rate_request *req)
 {
 	struct owl_composite *comp = hw_to_owl_comp(hw);
 	struct clk_fixed_factor *fix_fact_hw = &comp->rate.fix_fact_hw;
 
-	return comp->fix_fact_ops->round_rate(&fix_fact_hw->hw, rate, parent_rate);
+	return comp->fix_fact_ops->determine_rate(&fix_fact_hw->hw, req);
 }
 
 static unsigned long owl_comp_fix_fact_recalc_rate(struct clk_hw *hw,
···
 	.is_enabled	= owl_comp_is_enabled,
 
 	/* fix_fact_ops */
-	.round_rate	= owl_comp_fix_fact_round_rate,
+	.determine_rate = owl_comp_fix_fact_determine_rate,
 	.recalc_rate	= owl_comp_fix_fact_recalc_rate,
 	.set_rate	= owl_comp_fix_fact_set_rate,
 };

drivers/clk/actions/owl-divider.c

···
 				  div_hw->div_flags);
 }
 
-static long owl_divider_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *parent_rate)
+static int owl_divider_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	struct owl_divider *div = hw_to_owl_divider(hw);
 
-	return owl_divider_helper_round_rate(&div->common, &div->div_hw,
-					     rate, parent_rate);
+	req->rate = owl_divider_helper_round_rate(&div->common, &div->div_hw,
+						  req->rate,
+						  &req->best_parent_rate);
+
+	return 0;
 }
 
 unsigned long owl_divider_helper_recalc_rate(struct owl_clk_common *common,
···
 
 const struct clk_ops owl_divider_ops = {
 	.recalc_rate = owl_divider_recalc_rate,
-	.round_rate = owl_divider_round_rate,
+	.determine_rate = owl_divider_determine_rate,
 	.set_rate = owl_divider_set_rate,
 };

drivers/clk/actions/owl-factor.c

···
 	return *parent_rate * mul / div;
 }
 
-static long owl_factor_round_rate(struct clk_hw *hw, unsigned long rate,
-			unsigned long *parent_rate)
+static int owl_factor_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	struct owl_factor *factor = hw_to_owl_factor(hw);
 	struct owl_factor_hw *factor_hw = &factor->factor_hw;
 
-	return owl_factor_helper_round_rate(&factor->common, factor_hw,
-					rate, parent_rate);
+	req->rate = owl_factor_helper_round_rate(&factor->common, factor_hw,
+						 req->rate, &req->best_parent_rate);
+
+	return 0;
 }
 
 unsigned long owl_factor_helper_recalc_rate(struct owl_clk_common *common,
···
 }
 
 const struct clk_ops owl_factor_ops = {
-	.round_rate	= owl_factor_round_rate,
+	.determine_rate = owl_factor_determine_rate,
 	.recalc_rate	= owl_factor_recalc_rate,
 	.set_rate	= owl_factor_set_rate,
 };

drivers/clk/actions/owl-pll.c

···
 	return table;
 }
 
-static long owl_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *parent_rate)
+static int owl_pll_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct owl_pll *pll = hw_to_owl_pll(hw);
 	struct owl_pll_hw *pll_hw = &pll->pll_hw;
···
 	u32 mul;
 
 	if (pll_hw->table) {
-		clkt = _get_pll_table(pll_hw->table, rate);
-		return clkt->rate;
+		clkt = _get_pll_table(pll_hw->table, req->rate);
+		req->rate = clkt->rate;
+
+		return 0;
 	}
 
 	/* fixed frequency */
-	if (pll_hw->width == 0)
-		return pll_hw->bfreq;
+	if (pll_hw->width == 0) {
+		req->rate = pll_hw->bfreq;
 
-	mul = owl_pll_calculate_mul(pll_hw, rate);
+		return 0;
+	}
 
-	return pll_hw->bfreq * mul;
+	mul = owl_pll_calculate_mul(pll_hw, req->rate);
+
+	req->rate = pll_hw->bfreq * mul;
+
+	return 0;
 }
 
 static unsigned long owl_pll_recalc_rate(struct clk_hw *hw,
···
 	.enable = owl_pll_enable,
 	.disable = owl_pll_disable,
 	.is_enabled = owl_pll_is_enabled,
-	.round_rate = owl_pll_round_rate,
+	.determine_rate = owl_pll_determine_rate,
 	.recalc_rate = owl_pll_recalc_rate,
 	.set_rate = owl_pll_set_rate,
 };

drivers/clk/at91/clk-audio-pll.c

···
 	return 0;
 }
 
-static long clk_audio_pll_pad_round_rate(struct clk_hw *hw, unsigned long rate,
-					 unsigned long *parent_rate)
+static int clk_audio_pll_pad_determine_rate(struct clk_hw *hw,
+					    struct clk_rate_request *req)
 {
 	struct clk_hw *pclk = clk_hw_get_parent(hw);
 	long best_rate = -EINVAL;
···
 	int best_diff = -1;
 
 	pr_debug("A PLL/PAD: %s, rate = %lu (parent_rate = %lu)\n", __func__,
-		 rate, *parent_rate);
+		 req->rate, req->best_parent_rate);
 
 	/*
 	 * Rate divisor is actually made of two different divisors, multiplied
···
 				continue;
 
 			best_parent_rate = clk_hw_round_rate(pclk,
-							rate * tmp_qd * div);
+							req->rate * tmp_qd * div);
 			tmp_rate = best_parent_rate / (div * tmp_qd);
-			tmp_diff = abs(rate - tmp_rate);
+			tmp_diff = abs(req->rate - tmp_rate);
 
 			if (best_diff < 0 || best_diff > tmp_diff) {
-				*parent_rate = best_parent_rate;
+				req->best_parent_rate = best_parent_rate;
 				best_rate = tmp_rate;
 				best_diff = tmp_diff;
 			}
···
 	pr_debug("A PLL/PAD: %s, best_rate = %ld, best_parent_rate = %lu\n",
 		 __func__, best_rate, best_parent_rate);
 
-	return best_rate;
+	req->rate = best_rate;
+
+	return 0;
 }
 
-static long clk_audio_pll_pmc_round_rate(struct clk_hw *hw, unsigned long rate,
-					 unsigned long *parent_rate)
+static int clk_audio_pll_pmc_determine_rate(struct clk_hw *hw,
+					    struct clk_rate_request *req)
 {
 	struct clk_hw *pclk = clk_hw_get_parent(hw);
 	long best_rate = -EINVAL;
···
 	int best_diff = -1;
 
 	pr_debug("A PLL/PMC: %s, rate = %lu (parent_rate = %lu)\n", __func__,
-		 rate, *parent_rate);
+		 req->rate, req->best_parent_rate);
 
-	if (!rate)
+	if (!req->rate)
 		return 0;
 
 	best_parent_rate = clk_round_rate(pclk->clk, 1);
-	div = max(best_parent_rate / rate, 1UL);
+	div = max(best_parent_rate / req->rate, 1UL);
 	for (; div <= AUDIO_PLL_QDPMC_MAX; div++) {
-		best_parent_rate = clk_round_rate(pclk->clk, rate * div);
+		best_parent_rate = clk_round_rate(pclk->clk, req->rate * div);
 		tmp_rate = best_parent_rate / div;
-		tmp_diff = abs(rate - tmp_rate);
+		tmp_diff = abs(req->rate - tmp_rate);
 
 		if (best_diff < 0 || best_diff > tmp_diff) {
-			*parent_rate = best_parent_rate;
+			req->best_parent_rate = best_parent_rate;
 			best_rate = tmp_rate;
 			best_diff = tmp_diff;
 			tmp_qd = div;
···
 	}
 
 	pr_debug("A PLL/PMC: %s, best_rate = %ld, best_parent_rate = %lu (qd = %d)\n",
-		 __func__, best_rate, *parent_rate, tmp_qd - 1);
+		 __func__, best_rate, req->best_parent_rate, tmp_qd - 1);
 
-	return best_rate;
+	req->rate = best_rate;
+
+	return 0;
 }
 
 static int clk_audio_pll_frac_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.enable = clk_audio_pll_pad_enable,
 	.disable = clk_audio_pll_pad_disable,
 	.recalc_rate = clk_audio_pll_pad_recalc_rate,
-	.round_rate = clk_audio_pll_pad_round_rate,
+	.determine_rate = clk_audio_pll_pad_determine_rate,
 	.set_rate = clk_audio_pll_pad_set_rate,
 };
 
···
 	.enable = clk_audio_pll_pmc_enable,
 	.disable = clk_audio_pll_pmc_disable,
 	.recalc_rate = clk_audio_pll_pmc_recalc_rate,
-	.round_rate = clk_audio_pll_pmc_round_rate,
+	.determine_rate = clk_audio_pll_pmc_determine_rate,
 	.set_rate = clk_audio_pll_pmc_set_rate,
 };
 

drivers/clk/at91/clk-h32mx.c

···
 	return parent_rate;
 }
 
-static long clk_sama5d4_h32mx_round_rate(struct clk_hw *hw, unsigned long rate,
-				       unsigned long *parent_rate)
+static int clk_sama5d4_h32mx_determine_rate(struct clk_hw *hw,
+					    struct clk_rate_request *req)
 {
 	unsigned long div;
 
-	if (rate > *parent_rate)
-		return *parent_rate;
-	div = *parent_rate / 2;
-	if (rate < div)
-		return div;
+	if (req->rate > req->best_parent_rate) {
+		req->rate = req->best_parent_rate;
 
-	if (rate - div < *parent_rate - rate)
-		return div;
+		return 0;
+	}
+	div = req->best_parent_rate / 2;
+	if (req->rate < div) {
+		req->rate = div;
 
-	return *parent_rate;
+		return 0;
+	}
+
+	if (req->rate - div < req->best_parent_rate - req->rate) {
+		req->rate = div;
+
+		return 0;
+	}
+
+	req->rate = req->best_parent_rate;
+
+	return 0;
 }
 
 static int clk_sama5d4_h32mx_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops h32mx_ops = {
 	.recalc_rate = clk_sama5d4_h32mx_recalc_rate,
-	.round_rate = clk_sama5d4_h32mx_round_rate,
+	.determine_rate = clk_sama5d4_h32mx_determine_rate,
 	.set_rate = clk_sama5d4_h32mx_set_rate,
 };
 

drivers/clk/at91/clk-peripheral.c

···
 	long best_diff = LONG_MIN;
 	u32 shift;
 
-	if (periph->id < PERIPHERAL_ID_MIN || !periph->range.max)
-		return parent_rate;
+	if (periph->id < PERIPHERAL_ID_MIN || !periph->range.max) {
+		req->rate = parent_rate;
+
+		return 0;
+	}
 
 	/* Fist step: check the available dividers. */
 	for (shift = 0; shift <= PERIPHERAL_MAX_SHIFT; shift++) {
···
 	return 0;
 }
 
-static long clk_sam9x5_peripheral_round_rate(struct clk_hw *hw,
-					     unsigned long rate,
-					     unsigned long *parent_rate)
+static int clk_sam9x5_peripheral_no_parent_determine_rate(struct clk_hw *hw,
+							  struct clk_rate_request *req)
 {
 	int shift = 0;
 	unsigned long best_rate;
 	unsigned long best_diff;
-	unsigned long cur_rate = *parent_rate;
+	unsigned long cur_rate = req->best_parent_rate;
 	unsigned long cur_diff;
 	struct clk_sam9x5_peripheral *periph = to_clk_sam9x5_peripheral(hw);
 
-	if (periph->id < PERIPHERAL_ID_MIN || !periph->range.max)
-		return *parent_rate;
+	if (periph->id < PERIPHERAL_ID_MIN || !periph->range.max) {
+		req->rate = req->best_parent_rate;
+
+		return 0;
+	}
 
 	if (periph->range.max) {
 		for (; shift <= PERIPHERAL_MAX_SHIFT; shift++) {
-			cur_rate = *parent_rate >> shift;
+			cur_rate = req->best_parent_rate >> shift;
 			if (cur_rate <= periph->range.max)
 				break;
 		}
 	}
 
-	if (rate >= cur_rate)
-		return cur_rate;
+	if (req->rate >= cur_rate) {
+		req->rate = cur_rate;
 
-	best_diff = cur_rate - rate;
+		return 0;
+	}
+
+	best_diff = cur_rate - req->rate;
 	best_rate = cur_rate;
 	for (; shift <= PERIPHERAL_MAX_SHIFT; shift++) {
-		cur_rate = *parent_rate >> shift;
-		if (cur_rate < rate)
-			cur_diff = rate - cur_rate;
+		cur_rate = req->best_parent_rate >> shift;
+		if (cur_rate < req->rate)
+			cur_diff = req->rate - cur_rate;
 		else
-			cur_diff = cur_rate - rate;
+			cur_diff = cur_rate - req->rate;
 
 		if (cur_diff < best_diff) {
 			best_diff = cur_diff;
 			best_rate = cur_rate;
 		}
 
-		if (!best_diff || cur_rate < rate)
+		if (!best_diff || cur_rate < req->rate)
 			break;
 	}
 
-	return best_rate;
+	req->rate = best_rate;
+
+	return 0;
 }
 
 static int clk_sam9x5_peripheral_set_rate(struct clk_hw *hw,
···
 	.disable = clk_sam9x5_peripheral_disable,
 	.is_enabled = clk_sam9x5_peripheral_is_enabled,
 	.recalc_rate = clk_sam9x5_peripheral_recalc_rate,
-	.round_rate = clk_sam9x5_peripheral_round_rate,
+	.determine_rate = clk_sam9x5_peripheral_no_parent_determine_rate,
 	.set_rate = clk_sam9x5_peripheral_set_rate,
 	.save_context = clk_sam9x5_peripheral_save_context,
 	.restore_context = clk_sam9x5_peripheral_restore_context,

drivers/clk/at91/clk-pll.c

···
 	return bestrate;
 }
 
-static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-					unsigned long *parent_rate)
+static int clk_pll_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct clk_pll *pll = to_clk_pll(hw);
 
-	return clk_pll_get_best_div_mul(pll, rate, *parent_rate,
-					NULL, NULL, NULL);
+	req->rate = clk_pll_get_best_div_mul(pll, req->rate, req->best_parent_rate,
+					     NULL, NULL, NULL);
+
+	return 0;
 }
 
 static int clk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.unprepare = clk_pll_unprepare,
 	.is_prepared = clk_pll_is_prepared,
 	.recalc_rate = clk_pll_recalc_rate,
-	.round_rate = clk_pll_round_rate,
+	.determine_rate = clk_pll_determine_rate,
 	.set_rate = clk_pll_set_rate,
 	.save_context = clk_pll_save_context,
 	.restore_context = clk_pll_restore_context,

drivers/clk/at91/clk-plldiv.c

···
 	return parent_rate;
 }
 
-static long clk_plldiv_round_rate(struct clk_hw *hw, unsigned long rate,
-					unsigned long *parent_rate)
+static int clk_plldiv_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	unsigned long div;
 
-	if (rate > *parent_rate)
-		return *parent_rate;
-	div = *parent_rate / 2;
-	if (rate < div)
-		return div;
+	if (req->rate > req->best_parent_rate) {
+		req->rate = req->best_parent_rate;
 
-	if (rate - div < *parent_rate - rate)
-		return div;
+		return 0;
+	}
 
-	return *parent_rate;
+	div = req->best_parent_rate / 2;
+	if (req->rate < div) {
+		req->rate = div;
+
+		return 0;
+	}
+
+	if (req->rate - div < req->best_parent_rate - req->rate) {
+		req->rate = div;
+
+		return 0;
+	}
+
+	req->rate = req->best_parent_rate;
+
+	return 0;
 }
 
 static int clk_plldiv_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops plldiv_ops = {
 	.recalc_rate = clk_plldiv_recalc_rate,
-	.round_rate = clk_plldiv_round_rate,
+	.determine_rate = clk_plldiv_determine_rate,
 	.set_rate = clk_plldiv_set_rate,
 };
 

drivers/clk/at91/clk-sam9x60-pll.c

···
 	return tmprate;
 }
 
-static long sam9x60_frac_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-					unsigned long *parent_rate)
+static int sam9x60_frac_pll_determine_rate(struct clk_hw *hw,
+					   struct clk_rate_request *req)
 {
 	struct sam9x60_pll_core *core = to_sam9x60_pll_core(hw);
 
-	return sam9x60_frac_pll_compute_mul_frac(core, rate, *parent_rate, false);
+	req->rate = sam9x60_frac_pll_compute_mul_frac(core, req->rate,
+						      req->best_parent_rate,
+						      false);
+
+	return 0;
 }
 
 static int sam9x60_frac_pll_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.unprepare = sam9x60_frac_pll_unprepare,
 	.is_prepared = sam9x60_frac_pll_is_prepared,
 	.recalc_rate = sam9x60_frac_pll_recalc_rate,
-	.round_rate = sam9x60_frac_pll_round_rate,
+	.determine_rate = sam9x60_frac_pll_determine_rate,
 	.set_rate = sam9x60_frac_pll_set_rate,
 	.save_context = sam9x60_frac_pll_save_context,
 	.restore_context = sam9x60_frac_pll_restore_context,
···
 	.unprepare = sam9x60_frac_pll_unprepare,
 	.is_prepared = sam9x60_frac_pll_is_prepared,
 	.recalc_rate = sam9x60_frac_pll_recalc_rate,
-	.round_rate = sam9x60_frac_pll_round_rate,
+	.determine_rate = sam9x60_frac_pll_determine_rate,
 	.set_rate = sam9x60_frac_pll_set_rate_chg,
 	.save_context = sam9x60_frac_pll_save_context,
 	.restore_context = sam9x60_frac_pll_restore_context,
···
 	return best_rate;
 }
 
-static long sam9x60_div_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				       unsigned long *parent_rate)
+static int sam9x60_div_pll_determine_rate(struct clk_hw *hw,
+					  struct clk_rate_request *req)
 {
 	struct sam9x60_pll_core *core = to_sam9x60_pll_core(hw);
 
-	return sam9x60_div_pll_compute_div(core, parent_rate, rate);
+	req->rate = sam9x60_div_pll_compute_div(core, &req->best_parent_rate,
+						req->rate);
+
+	return 0;
 }
 
 static int sam9x60_div_pll_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.unprepare = sam9x60_div_pll_unprepare,
 	.is_prepared = sam9x60_div_pll_is_prepared,
 	.recalc_rate = sam9x60_div_pll_recalc_rate,
-	.round_rate = sam9x60_div_pll_round_rate,
+	.determine_rate = sam9x60_div_pll_determine_rate,
 	.set_rate = sam9x60_div_pll_set_rate,
 	.save_context = sam9x60_div_pll_save_context,
 	.restore_context = sam9x60_div_pll_restore_context,
···
 	.unprepare = sam9x60_div_pll_unprepare,
 	.is_prepared = sam9x60_div_pll_is_prepared,
 	.recalc_rate = sam9x60_div_pll_recalc_rate,
-	.round_rate = sam9x60_div_pll_round_rate,
+	.determine_rate = sam9x60_div_pll_determine_rate,
 	.set_rate = sam9x60_div_pll_set_rate_chg,
 	.save_context = sam9x60_div_pll_save_context,
 	.restore_context = sam9x60_div_pll_restore_context,
···
 	.unprepare = sam9x60_div_pll_unprepare,
 	.is_prepared = sam9x60_div_pll_is_prepared,
 	.recalc_rate = sam9x60_fixed_div_pll_recalc_rate,
-	.round_rate = sam9x60_div_pll_round_rate,
+	.determine_rate = sam9x60_div_pll_determine_rate,
 	.save_context = sam9x60_div_pll_save_context,
 	.restore_context = sam9x60_div_pll_restore_context,
 };

drivers/clk/at91/clk-usb.c

···
 	return 0;
 }
 
-static long at91rm9200_clk_usb_round_rate(struct clk_hw *hw, unsigned long rate,
-					  unsigned long *parent_rate)
+static int at91rm9200_clk_usb_determine_rate(struct clk_hw *hw,
+					     struct clk_rate_request *req)
 {
 	struct at91rm9200_clk_usb *usb = to_at91rm9200_clk_usb(hw);
 	struct clk_hw *parent = clk_hw_get_parent(hw);
···
 		if (!usb->divisors[i])
 			continue;
 
-		tmp_parent_rate = rate * usb->divisors[i];
+		tmp_parent_rate = req->rate * usb->divisors[i];
 		tmp_parent_rate = clk_hw_round_rate(parent, tmp_parent_rate);
 		tmprate = DIV_ROUND_CLOSEST(tmp_parent_rate, usb->divisors[i]);
-		if (tmprate < rate)
-			tmpdiff = rate - tmprate;
+		if (tmprate < req->rate)
+			tmpdiff = req->rate - tmprate;
 		else
-			tmpdiff = tmprate - rate;
+			tmpdiff = tmprate - req->rate;
 
 		if (bestdiff < 0 || bestdiff > tmpdiff) {
 			bestrate = tmprate;
 			bestdiff = tmpdiff;
-			*parent_rate = tmp_parent_rate;
+			req->best_parent_rate = tmp_parent_rate;
 		}
 
 		if (!bestdiff)
 			break;
 	}
 
-	return bestrate;
+	req->rate = bestrate;
+
+	return 0;
 }
 
 static int at91rm9200_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops at91rm9200_usb_ops = {
 	.recalc_rate = at91rm9200_clk_usb_recalc_rate,
-	.round_rate = at91rm9200_clk_usb_round_rate,
+	.determine_rate = at91rm9200_clk_usb_determine_rate,
 	.set_rate = at91rm9200_clk_usb_set_rate,
 };
 

drivers/clk/axs10x/i2s_pll_clock.c

···
 	return ((parent_rate / idiv) * fbdiv) / odiv;
 }
 
-static long i2s_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-			unsigned long *prate)
+static int i2s_pll_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct i2s_pll_clk *clk = to_i2s_pll_clk(hw);
-	const struct i2s_pll_cfg *pll_cfg = i2s_pll_get_cfg(*prate);
+	const struct i2s_pll_cfg *pll_cfg = i2s_pll_get_cfg(req->best_parent_rate);
 	int i;
 
 	if (!pll_cfg) {
-		dev_err(clk->dev, "invalid parent rate=%ld\n", *prate);
+		dev_err(clk->dev, "invalid parent rate=%ld\n", req->best_parent_rate);
 		return -EINVAL;
 	}
 
 	for (i = 0; pll_cfg[i].rate != 0; i++)
-		if (pll_cfg[i].rate == rate)
-			return rate;
+		if (pll_cfg[i].rate == req->rate)
+			return 0;
 
 	return -EINVAL;
 }
···
 
 static const struct clk_ops i2s_pll_ops = {
 	.recalc_rate = i2s_pll_recalc_rate,
-	.round_rate = i2s_pll_round_rate,
+	.determine_rate = i2s_pll_determine_rate,
 	.set_rate = i2s_pll_set_rate,
 };
 

drivers/clk/axs10x/pll_clock.c

···
 	return rate;
 }
 
-static long axs10x_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *prate)
+static int axs10x_pll_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	int i;
 	long best_rate;
···
 	best_rate = pll_cfg[0].rate;
 
 	for (i = 1; pll_cfg[i].rate != 0; i++) {
-		if (abs(rate - pll_cfg[i].rate) < abs(rate - best_rate))
+		if (abs(req->rate - pll_cfg[i].rate) < abs(req->rate - best_rate))
 			best_rate = pll_cfg[i].rate;
 	}
 
-	return best_rate;
+	req->rate = best_rate;
+
+	return 0;
 }
 
 static int axs10x_pll_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops axs10x_pll_ops = {
 	.recalc_rate = axs10x_pll_recalc_rate,
-	.round_rate = axs10x_pll_round_rate,
+	.determine_rate = axs10x_pll_determine_rate,
 	.set_rate = axs10x_pll_set_rate,
 };
 

drivers/clk/baikal-t1/ccu-div.c

···
 		       CCU_DIV_CLKDIV_MAX(mask));
 }
 
-static long ccu_div_var_round_rate(struct clk_hw *hw, unsigned long rate,
-				   unsigned long *parent_rate)
+static int ccu_div_var_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	struct ccu_div *div = to_ccu_div(hw);
 	unsigned long divider;
 
-	divider = ccu_div_var_calc_divider(rate, *parent_rate, div->mask);
+	divider = ccu_div_var_calc_divider(req->rate, req->best_parent_rate,
+					   div->mask);
 
-	return ccu_div_calc_freq(*parent_rate, divider);
+	req->rate = ccu_div_calc_freq(req->best_parent_rate, divider);
+
+	return 0;
 }
 
 /*
···
 	return ccu_div_calc_freq(parent_rate, div->divider);
 }
 
-static long ccu_div_fixed_round_rate(struct clk_hw *hw, unsigned long rate,
-				     unsigned long *parent_rate)
+static int ccu_div_fixed_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
 	struct ccu_div *div = to_ccu_div(hw);
 
-	return ccu_div_calc_freq(*parent_rate, div->divider);
+	req->rate = ccu_div_calc_freq(req->best_parent_rate, div->divider);
+
+	return 0;
 }
 
 static int ccu_div_fixed_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.disable = ccu_div_gate_disable,
 	.is_enabled = ccu_div_gate_is_enabled,
 	.recalc_rate = ccu_div_var_recalc_rate,
-	.round_rate = ccu_div_var_round_rate,
+	.determine_rate = ccu_div_var_determine_rate,
 	.set_rate = ccu_div_var_set_rate_fast,
 	.debug_init = ccu_div_var_debug_init
 };
 
 static const struct clk_ops ccu_div_var_nogate_ops = {
 	.recalc_rate = ccu_div_var_recalc_rate,
-	.round_rate = ccu_div_var_round_rate,
+	.determine_rate = ccu_div_var_determine_rate,
 	.set_rate = ccu_div_var_set_rate_slow,
 	.debug_init = ccu_div_var_debug_init
 };
···
 	.disable = ccu_div_gate_disable,
 	.is_enabled = ccu_div_gate_is_enabled,
 	.recalc_rate = ccu_div_fixed_recalc_rate,
-	.round_rate = ccu_div_fixed_round_rate,
+	.determine_rate = ccu_div_fixed_determine_rate,
 	.set_rate = ccu_div_fixed_set_rate,
 	.debug_init = ccu_div_gate_debug_init
 };
···
 
 static const struct clk_ops ccu_div_fixed_ops = {
 	.recalc_rate = ccu_div_fixed_recalc_rate,
-	.round_rate = ccu_div_fixed_round_rate,
+	.determine_rate = ccu_div_fixed_determine_rate,
 	.set_rate = ccu_div_fixed_set_rate,
 	.debug_init = ccu_div_fixed_debug_init
 };

drivers/clk/baikal-t1/ccu-pll.c

···
 	}
 }
 
-static long ccu_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int ccu_pll_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	unsigned long nr = 1, nf = 1, od = 1;
 
-	ccu_pll_calc_factors(rate, *parent_rate, &nr, &nf, &od);
+	ccu_pll_calc_factors(req->rate, req->best_parent_rate, &nr, &nf, &od);
 
-	return ccu_pll_calc_freq(*parent_rate, nr, nf, od);
+	req->rate = ccu_pll_calc_freq(req->best_parent_rate, nr, nf, od);
+
+	return 0;
 }
 
 /*
···
 	.disable = ccu_pll_disable,
 	.is_enabled = ccu_pll_is_enabled,
 	.recalc_rate = ccu_pll_recalc_rate,
-	.round_rate = ccu_pll_round_rate,
+	.determine_rate = ccu_pll_determine_rate,
 	.set_rate = ccu_pll_set_rate_norst,
 	.debug_init = ccu_pll_debug_init
 };
···
 	.disable = ccu_pll_disable,
 	.is_enabled = ccu_pll_is_enabled,
 	.recalc_rate = ccu_pll_recalc_rate,
-	.round_rate = ccu_pll_round_rate,
+	.determine_rate = ccu_pll_determine_rate,
 	.set_rate = ccu_pll_set_rate_reset,
 	.debug_init = ccu_pll_debug_init
 };

drivers/clk/bcm/clk-iproc-asiu.c

···
 	return clk->rate;
 }
 
-static long iproc_asiu_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				      unsigned long *parent_rate)
+static int iproc_asiu_clk_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	unsigned int div;
 
-	if (rate == 0 || *parent_rate == 0)
+	if (req->rate == 0 || req->best_parent_rate == 0)
 		return -EINVAL;
 
-	if (rate == *parent_rate)
-		return *parent_rate;
+	if (req->rate == req->best_parent_rate)
+		return 0;
 
-	div = DIV_ROUND_CLOSEST(*parent_rate, rate);
-	if (div < 2)
-		return *parent_rate;
+	div = DIV_ROUND_CLOSEST(req->best_parent_rate, req->rate);
+	if (div < 2) {
+		req->rate = req->best_parent_rate;
 
-	return *parent_rate / div;
+		return 0;
+	}
+
+	req->rate = req->best_parent_rate / div;
+
+	return 0;
 }
 
 static int iproc_asiu_clk_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.enable = iproc_asiu_clk_enable,
 	.disable = iproc_asiu_clk_disable,
 	.recalc_rate = iproc_asiu_clk_recalc_rate,
-	.round_rate = iproc_asiu_clk_round_rate,
+	.determine_rate = iproc_asiu_clk_determine_rate,
 	.set_rate = iproc_asiu_clk_set_rate,
 };
 

drivers/clk/clk-apple-nco.c

···
 			((u64) div) * incbase + inc1);
 }
 
-static long applnco_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *parent_rate)
+static int applnco_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
-	unsigned long lo = *parent_rate / (COARSE_DIV_OFFSET + LFSR_TBLSIZE) + 1;
-	unsigned long hi = *parent_rate / COARSE_DIV_OFFSET;
+	unsigned long lo = req->best_parent_rate / (COARSE_DIV_OFFSET + LFSR_TBLSIZE) + 1;
+	unsigned long hi = req->best_parent_rate / COARSE_DIV_OFFSET;
 
-	return clamp(rate, lo, hi);
+	req->rate = clamp(req->rate, lo, hi);
+
+	return 0;
 }
 
 static int applnco_enable(struct clk_hw *hw)
···
 static const struct clk_ops applnco_ops = {
 	.set_rate = applnco_set_rate,
 	.recalc_rate = applnco_recalc_rate,
-	.round_rate = applnco_round_rate,
+	.determine_rate = applnco_determine_rate,
 	.enable = applnco_enable,
 	.disable = applnco_disable,
 	.is_enabled = applnco_is_enabled,

drivers/clk/clk-bm1880.c

···
 	return rate;
 }
 
-static long bm1880_clk_div_round_rate(struct clk_hw *hw, unsigned long rate,
-				      unsigned long *prate)
+static int bm1880_clk_div_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	struct bm1880_div_hw_clock *div_hw = to_bm1880_div_clk(hw);
 	struct bm1880_div_clock *div = &div_hw->div;
···
 		val = readl(reg_addr) >> div->shift;
 		val &= clk_div_mask(div->width);
 
-		return divider_ro_round_rate(hw, rate, prate, div->table,
-					     div->width, div->flags,
-					     val);
+		req->rate = divider_ro_round_rate(hw, req->rate,
+						  &req->best_parent_rate,
+						  div->table,
+						  div->width, div->flags, val);
+
+		return 0;
 	}
 
-	return divider_round_rate(hw, rate, prate, div->table,
-				  div->width, div->flags);
+	req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate,
+				       div->table, div->width, div->flags);
+
+	return 0;
 }
 
 static int bm1880_clk_div_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops bm1880_clk_div_ops = {
 	.recalc_rate = bm1880_clk_div_recalc_rate,
-	.round_rate = bm1880_clk_div_round_rate,
+	.determine_rate = bm1880_clk_div_determine_rate,
 	.set_rate = bm1880_clk_div_set_rate,
 };
 

drivers/clk/clk-cdce706.c

···
 	return 0;
 }
 
-static long cdce706_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				   unsigned long *parent_rate)
+static int cdce706_pll_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	struct cdce706_hw_data *hwd = to_hw_data(hw);
 	unsigned long mul, div;
···
 
 	dev_dbg(&hwd->dev_data->client->dev,
 		"%s, rate: %lu, parent_rate: %lu\n",
-		__func__, rate, *parent_rate);
+		__func__, req->rate, req->best_parent_rate);
 
-	rational_best_approximation(rate, *parent_rate,
+	rational_best_approximation(req->rate, req->best_parent_rate,
 				    CDCE706_PLL_N_MAX, CDCE706_PLL_M_MAX,
 				    &mul, &div);
 	hwd->mul = mul;
···
 		"%s, pll: %d, mul: %lu, div: %lu\n",
 		__func__, hwd->idx, mul, div);
 
-	res = (u64)*parent_rate * hwd->mul;
+	res = (u64)req->best_parent_rate * hwd->mul;
 	do_div(res, hwd->div);
-	return res;
+	req->rate = res;
+
+	return 0;
 }
 
 static int cdce706_pll_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops cdce706_pll_ops = {
 	.recalc_rate = cdce706_pll_recalc_rate,
-	.round_rate = cdce706_pll_round_rate,
+	.determine_rate = cdce706_pll_determine_rate,
 	.set_rate = cdce706_pll_set_rate,
 };
 

drivers/clk/clk-cdce925.c

···
 	}
 }
 
-static long cdce925_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *parent_rate)
+static int cdce925_pll_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	u16 n, m;
 
-	cdce925_pll_find_rate(rate, *parent_rate, &n, &m);
-	return (long)cdce925_pll_calculate_rate(*parent_rate, n, m);
+	cdce925_pll_find_rate(req->rate, req->best_parent_rate, &n, &m);
+	req->rate = (long)cdce925_pll_calculate_rate(req->best_parent_rate, n, m);
+
+	return 0;
 }
 
 static int cdce925_pll_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.prepare = cdce925_pll_prepare,
 	.unprepare = cdce925_pll_unprepare,
 	.recalc_rate = cdce925_pll_recalc_rate,
-	.round_rate = cdce925_pll_round_rate,
+	.determine_rate = cdce925_pll_determine_rate,
 	.set_rate = cdce925_pll_set_rate,
 };
 
···
 	return rate * pdiv_best;
 }
 
-static long cdce925_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *parent_rate)
+static int cdce925_clk_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
-	unsigned long l_parent_rate = *parent_rate;
-	u16 divider = cdce925_calc_divider(rate, l_parent_rate);
+	unsigned long l_parent_rate = req->best_parent_rate;
+	u16 divider = cdce925_calc_divider(req->rate, l_parent_rate);
 
-	if (l_parent_rate / divider != rate) {
-		l_parent_rate = cdce925_clk_best_parent_rate(hw, rate);
-		divider = cdce925_calc_divider(rate, l_parent_rate);
-		*parent_rate = l_parent_rate;
+	if (l_parent_rate / divider != req->rate) {
+		l_parent_rate = cdce925_clk_best_parent_rate(hw, req->rate);
+		divider = cdce925_calc_divider(req->rate, l_parent_rate);
+		req->best_parent_rate = l_parent_rate;
 	}
 
 	if (divider)
-		return (long)(l_parent_rate / divider);
+		req->rate = (long)(l_parent_rate / divider);
+	else
+		req->rate = 0;
+
 	return 0;
 }
 
···
 	.prepare = cdce925_clk_prepare,
 	.unprepare = cdce925_clk_unprepare,
 	.recalc_rate = cdce925_clk_recalc_rate,
-	.round_rate = cdce925_clk_round_rate,
+	.determine_rate = cdce925_clk_determine_rate,
 	.set_rate = cdce925_clk_set_rate,
 };
 
···
 	return (u16)divider;
 }
 
-static long cdce925_clk_y1_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *parent_rate)
+static int cdce925_clk_y1_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
-	unsigned long l_parent_rate = *parent_rate;
-	u16 divider = cdce925_y1_calc_divider(rate, l_parent_rate);
+	unsigned long l_parent_rate = req->best_parent_rate;
+	u16 divider = cdce925_y1_calc_divider(req->rate, l_parent_rate);
 
 	if (divider)
-		return (long)(l_parent_rate / divider);
+		req->rate = (long)(l_parent_rate / divider);
+	else
+		req->rate = 0;
+
 	return 0;
 }
 
···
 	.prepare = cdce925_clk_prepare,
 	.unprepare = cdce925_clk_unprepare,
 	.recalc_rate = cdce925_clk_recalc_rate,
-	.round_rate = cdce925_clk_y1_round_rate,
+	.determine_rate = cdce925_clk_y1_determine_rate,
 	.set_rate = cdce925_clk_y1_set_rate,
 };
 

drivers/clk/clk-cs2000-cp.c

···
 	return cs2000_ratio_to_rate(ratio, parent_rate, priv->lf_ratio);
 }
 
-static long cs2000_round_rate(struct clk_hw *hw, unsigned long rate,
-			      unsigned long *parent_rate)
+static int cs2000_determine_rate(struct clk_hw *hw,
+				 struct clk_rate_request *req)
 {
 	struct cs2000_priv *priv = hw_to_priv(hw);
 	u32 ratio;
 
-	ratio = cs2000_rate_to_ratio(*parent_rate, rate, priv->lf_ratio);
+	ratio = cs2000_rate_to_ratio(req->best_parent_rate, req->rate,
+				     priv->lf_ratio);
 
-	return cs2000_ratio_to_rate(ratio, *parent_rate, priv->lf_ratio);
+	req->rate = cs2000_ratio_to_rate(ratio, req->best_parent_rate,
+					 priv->lf_ratio);
+
+	return 0;
 }
 
 static int cs2000_select_ratio_mode(struct cs2000_priv *priv,
···
 static const struct clk_ops cs2000_ops = {
 	.get_parent	= cs2000_get_parent,
 	.recalc_rate	= cs2000_recalc_rate,
-	.round_rate	= cs2000_round_rate,
+	.determine_rate = cs2000_determine_rate,
 	.set_rate	= cs2000_set_rate,
 	.prepare	= cs2000_enable,
 	.unprepare	= cs2000_disable,

drivers/clk/clk-divider.c

···
 }
 EXPORT_SYMBOL_GPL(divider_ro_round_rate_parent);
 
-static long clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
-{
-	struct clk_divider *divider = to_clk_divider(hw);
-
-	/* if read only, just return current value */
-	if (divider->flags & CLK_DIVIDER_READ_ONLY) {
-		u32 val;
-
-		val = clk_div_readl(divider) >> divider->shift;
-		val &= clk_div_mask(divider->width);
-
-		return divider_ro_round_rate(hw, rate, prate, divider->table,
-					     divider->width, divider->flags,
-					     val);
-	}
-
-	return divider_round_rate(hw, rate, prate, divider->table,
-				  divider->width, divider->flags);
-}
-
 static int clk_divider_determine_rate(struct clk_hw *hw,
 				      struct clk_rate_request *req)
 {
···
 
 const struct clk_ops clk_divider_ops = {
 	.recalc_rate = clk_divider_recalc_rate,
-	.round_rate = clk_divider_round_rate,
 	.determine_rate = clk_divider_determine_rate,
 	.set_rate = clk_divider_set_rate,
 };
···
 
 const struct clk_ops clk_divider_ro_ops = {
 	.recalc_rate = clk_divider_recalc_rate,
-	.round_rate = clk_divider_round_rate,
 	.determine_rate = clk_divider_determine_rate,
 };
 EXPORT_SYMBOL_GPL(clk_divider_ro_ops);

drivers/clk/clk-ep93xx.c

···
 	return DIV_ROUND_CLOSEST(parent_rate, clk->div[index]);
 }
 
-static long ep93xx_div_round_rate(struct clk_hw *hw, unsigned long rate,
-				   unsigned long *parent_rate)
+static int ep93xx_div_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	struct ep93xx_clk *clk = ep93xx_clk_from(hw);
 	unsigned long best = 0, now;
 	unsigned int i;
 
 	for (i = 0; i < clk->num_div; i++) {
-		if ((rate * clk->div[i]) == *parent_rate)
-			return rate;
+		if (req->rate * clk->div[i] == req->best_parent_rate)
+			return 0;
 
-		now = DIV_ROUND_CLOSEST(*parent_rate, clk->div[i]);
-		if (!best || is_best(rate, now, best))
+		now = DIV_ROUND_CLOSEST(req->best_parent_rate, clk->div[i]);
+		if (!best || is_best(req->rate, now, best))
 			best = now;
 	}
 
-	return best;
+	req->rate = best;
+
+	return 0;
 }
 
 static int ep93xx_div_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.disable = ep93xx_clk_disable,
 	.is_enabled = ep93xx_clk_is_enabled,
 	.recalc_rate = ep93xx_div_recalc_rate,
-	.round_rate = ep93xx_div_round_rate,
+	.determine_rate = ep93xx_div_determine_rate,
 	.set_rate = ep93xx_div_set_rate,
 };
 

drivers/clk/clk-fixed-factor.c

···
 	return (unsigned long)rate;
 }
 
-static long clk_factor_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int clk_factor_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	struct clk_fixed_factor *fix = to_clk_fixed_factor(hw);
 
 	if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) {
 		unsigned long best_parent;
 
-		best_parent = (rate / fix->mult) * fix->div;
-		*prate = clk_hw_round_rate(clk_hw_get_parent(hw), best_parent);
+		best_parent = (req->rate / fix->mult) * fix->div;
+		req->best_parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw), best_parent);
 	}
 
-	return (*prate / fix->div) * fix->mult;
+	req->rate = (req->best_parent_rate / fix->div) * fix->mult;
+
+	return 0;
 }
 
 static int clk_factor_set_rate(struct clk_hw *hw, unsigned long rate,
···
 {
 	/*
 	 * We must report success but we can do so unconditionally because
-	 * clk_factor_round_rate returns values that ensure this call is a
+	 * clk_factor_determine_rate returns values that ensure this call is a
 	 * nop.
 	 */
 
···
 }
 
 const struct clk_ops clk_fixed_factor_ops = {
-	.round_rate = clk_factor_round_rate,
+	.determine_rate = clk_factor_determine_rate,
 	.set_rate = clk_factor_set_rate,
 	.recalc_rate = clk_factor_recalc_rate,
 	.recalc_accuracy = clk_factor_recalc_accuracy,

drivers/clk/clk-fractional-divider.c

···
 }
 EXPORT_SYMBOL_GPL(clk_fractional_divider_general_approximation);
 
-static long clk_fd_round_rate(struct clk_hw *hw, unsigned long rate,
-			      unsigned long *parent_rate)
+static int clk_fd_determine_rate(struct clk_hw *hw,
+				 struct clk_rate_request *req)
 {
 	struct clk_fractional_divider *fd = to_clk_fd(hw);
 	unsigned long m, n;
 	u64 ret;
 
-	if (!rate || (!clk_hw_can_set_rate_parent(hw) && rate >= *parent_rate))
-		return *parent_rate;
+	if (!req->rate || (!clk_hw_can_set_rate_parent(hw) && req->rate >= req->best_parent_rate)) {
+		req->rate = req->best_parent_rate;
+
+		return 0;
+	}
 
 	if (fd->approximation)
-		fd->approximation(hw, rate, parent_rate, &m, &n);
+		fd->approximation(hw, req->rate, &req->best_parent_rate, &m, &n);
 	else
-		clk_fractional_divider_general_approximation(hw, rate, parent_rate, &m, &n);
+		clk_fractional_divider_general_approximation(hw, req->rate,
+							     &req->best_parent_rate,
+							     &m, &n);
 
-	ret = (u64)*parent_rate * m;
+	ret = (u64)req->best_parent_rate * m;
 	do_div(ret, n);
 
-	return ret;
+	req->rate = ret;
+
+	return 0;
 }
 
 static int clk_fd_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 const struct clk_ops clk_fractional_divider_ops = {
 	.recalc_rate = clk_fd_recalc_rate,
-	.round_rate = clk_fd_round_rate,
+	.determine_rate = clk_fd_determine_rate,
 	.set_rate = clk_fd_set_rate,
 #ifdef CONFIG_DEBUG_FS
 	.debug_init = clk_fd_debug_init,

drivers/clk/clk-gemini.c

···
 	return 33000000;
 }
 
-static long gemini_pci_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *prate)
+static int gemini_pci_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	/* We support 33 and 66 MHz */
-	if (rate < 48000000)
-		return 33000000;
-	return 66000000;
+	if (req->rate < 48000000)
+		req->rate = 33000000;
+	else
+		req->rate = 66000000;
+
+	return 0;
 }
 
 static int gemini_pci_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops gemini_pci_clk_ops = {
 	.recalc_rate = gemini_pci_recalc_rate,
-	.round_rate = gemini_pci_round_rate,
+	.determine_rate = gemini_pci_determine_rate,
 	.set_rate = gemini_pci_set_rate,
 	.enable = gemini_pci_enable,
 	.disable = gemini_pci_disable,

drivers/clk/clk-highbank.c

···
 	*pdivf = divf;
 }
 
-static long clk_pll_round_rate(struct clk_hw *hwclk, unsigned long rate,
-			       unsigned long *parent_rate)
+static int clk_pll_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	u32 divq, divf;
-	unsigned long ref_freq = *parent_rate;
+	unsigned long ref_freq = req->best_parent_rate;
 
-	clk_pll_calc(rate, ref_freq, &divq, &divf);
+	clk_pll_calc(req->rate, ref_freq, &divq, &divf);
 
-	return (ref_freq * (divf + 1)) / (1 << divq);
+	req->rate = (ref_freq * (divf + 1)) / (1 << divq);
+
+	return 0;
 }
 
 static int clk_pll_set_rate(struct clk_hw *hwclk, unsigned long rate,
···
 	.enable = clk_pll_enable,
 	.disable = clk_pll_disable,
 	.recalc_rate = clk_pll_recalc_rate,
-	.round_rate = clk_pll_round_rate,
+	.determine_rate = clk_pll_determine_rate,
 	.set_rate = clk_pll_set_rate,
 };
 
···
 	return parent_rate / div;
 }
 
-static long clk_periclk_round_rate(struct clk_hw *hwclk, unsigned long rate,
-				   unsigned long *parent_rate)
+static int clk_periclk_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	u32 div;
 
-	div = *parent_rate / rate;
+	div = req->best_parent_rate / req->rate;
 	div++;
 	div &= ~0x1;
 
-	return *parent_rate / div;
+	req->rate = req->best_parent_rate / div;
+
+	return 0;
 }
 
 static int clk_periclk_set_rate(struct clk_hw *hwclk, unsigned long rate,
···
 
 static const struct clk_ops periclk_ops = {
 	.recalc_rate = clk_periclk_recalc_rate,
-	.round_rate = clk_periclk_round_rate,
+	.determine_rate = clk_periclk_determine_rate,
 	.set_rate = clk_periclk_set_rate,
 };
 

drivers/clk/clk-hsdk-pll.c

···
 	return rate;
 }
 
-static long hsdk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int hsdk_pll_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	int i;
 	unsigned long best_rate;
···
 	best_rate = pll_cfg[0].rate;
 
 	for (i = 1; pll_cfg[i].rate != 0; i++) {
-		if (abs(rate - pll_cfg[i].rate) < abs(rate - best_rate))
+		if (abs(req->rate - pll_cfg[i].rate) < abs(req->rate - best_rate))
 			best_rate = pll_cfg[i].rate;
 	}
 
 	dev_dbg(clk->dev, "chosen best rate: %lu\n", best_rate);
 
-	return best_rate;
+	req->rate = best_rate;
+
+	return 0;
 }
 
 static int hsdk_pll_comm_update_rate(struct hsdk_pll_clk *clk,
···
 
 static const struct clk_ops hsdk_pll_ops = {
 	.recalc_rate = hsdk_pll_recalc_rate,
-	.round_rate = hsdk_pll_round_rate,
+	.determine_rate = hsdk_pll_determine_rate,
 	.set_rate = hsdk_pll_set_rate,
 };
 

drivers/clk/clk-lmk04832.c

···
 	return DIV_ROUND_CLOSEST(prate * 2 * pll2_p * pll2_n, pll2_r);
 }
 
-static long lmk04832_vco_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *prate)
+static int lmk04832_vco_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct lmk04832 *lmk = container_of(hw, struct lmk04832, vco);
 	unsigned int n, p, r;
 	long vco_rate;
 	int ret;
 
-	ret = lmk04832_check_vco_ranges(lmk, rate);
+	ret = lmk04832_check_vco_ranges(lmk, req->rate);
 	if (ret < 0)
 		return ret;
 
-	vco_rate = lmk04832_calc_pll2_params(*prate, rate, &n, &p, &r);
+	vco_rate = lmk04832_calc_pll2_params(req->best_parent_rate, req->rate,
+					     &n, &p, &r);
 	if (vco_rate < 0) {
 		dev_err(lmk->dev, "PLL2 parameters out of range\n");
-		return vco_rate;
+		req->rate = vco_rate;
+
+		return 0;
 	}
 
-	if (rate != vco_rate)
+	if (req->rate != vco_rate)
 		return -EINVAL;
 
-	return vco_rate;
+	req->rate = vco_rate;
+
+	return 0;
 }
 
 static int lmk04832_vco_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.prepare = lmk04832_vco_prepare,
 	.unprepare = lmk04832_vco_unprepare,
 	.recalc_rate = lmk04832_vco_recalc_rate,
-	.round_rate = lmk04832_vco_round_rate,
+	.determine_rate = lmk04832_vco_determine_rate,
 	.set_rate = lmk04832_vco_set_rate,
 };
 
···
 	return DIV_ROUND_CLOSEST(prate, sysref_div);
 }
 
-static long lmk04832_sclk_round_rate(struct clk_hw *hw, unsigned long rate,
-				     unsigned long *prate)
+static int lmk04832_sclk_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
 	struct lmk04832 *lmk = container_of(hw, struct lmk04832, sclk);
 	unsigned long sclk_rate;
 	unsigned int sysref_div;
 
-	sysref_div = DIV_ROUND_CLOSEST(*prate, rate);
-	sclk_rate = DIV_ROUND_CLOSEST(*prate, sysref_div);
+	sysref_div = DIV_ROUND_CLOSEST(req->best_parent_rate, req->rate);
+	sclk_rate = DIV_ROUND_CLOSEST(req->best_parent_rate, sysref_div);
 
 	if (sysref_div < 0x07 || sysref_div > 0x1fff) {
 		dev_err(lmk->dev, "SYSREF divider out of range\n");
 		return -EINVAL;
 	}
 
-	if (rate != sclk_rate)
+	if (req->rate != sclk_rate)
 		return -EINVAL;
 
-	return sclk_rate;
+	req->rate = sclk_rate;
+
+	return 0;
 }
 
 static int lmk04832_sclk_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.prepare = lmk04832_sclk_prepare,
 	.unprepare = lmk04832_sclk_unprepare,
 	.recalc_rate = lmk04832_sclk_recalc_rate,
-	.round_rate = lmk04832_sclk_round_rate,
+	.determine_rate = lmk04832_sclk_determine_rate,
 	.set_rate = lmk04832_sclk_set_rate,
 };
 
···
 	return rate;
 }
 
-static long lmk04832_dclk_round_rate(struct clk_hw *hw, unsigned long rate,
-				     unsigned long *prate)
+static int lmk04832_dclk_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
 	struct lmk_dclk *dclk = container_of(hw, struct lmk_dclk, hw);
 	struct lmk04832 *lmk = dclk->lmk;
 	unsigned long dclk_rate;
 	unsigned int dclk_div;
 
-	dclk_div = DIV_ROUND_CLOSEST(*prate, rate);
-	dclk_rate = DIV_ROUND_CLOSEST(*prate, dclk_div);
+	dclk_div = DIV_ROUND_CLOSEST(req->best_parent_rate, req->rate);
+	dclk_rate = DIV_ROUND_CLOSEST(req->best_parent_rate, dclk_div);
 
 	if (dclk_div < 1 || dclk_div > 0x3ff) {
 		dev_err(lmk->dev, "%s_div out of range\n", clk_hw_get_name(hw));
 		return -EINVAL;
 	}
 
-	if (rate != dclk_rate)
+	if (req->rate != dclk_rate)
 		return -EINVAL;
 
-	return dclk_rate;
+	req->rate = dclk_rate;
+
+	return 0;
 }
 
 static int lmk04832_dclk_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.prepare = lmk04832_dclk_prepare,
 	.unprepare = lmk04832_dclk_unprepare,
 	.recalc_rate = lmk04832_dclk_recalc_rate,
-	.round_rate = lmk04832_dclk_round_rate,
+	.determine_rate = lmk04832_dclk_determine_rate,
 	.set_rate = lmk04832_dclk_set_rate,
 };
 

drivers/clk/clk-loongson1.c

···
 				   d->flags, d->width);
 }
 
-static long ls1x_divider_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *prate)
+static int ls1x_divider_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct ls1x_clk *ls1x_clk = to_ls1x_clk(hw);
 	const struct ls1x_clk_div_data *d = ls1x_clk->data;
 
-	return divider_round_rate(hw, rate, prate, d->table,
-				  d->width, d->flags);
+	req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate,
+				       d->table, d->width, d->flags);
+
+	return 0;
 }
 
 static int ls1x_divider_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops ls1x_clk_divider_ops = {
 	.recalc_rate = ls1x_divider_recalc_rate,
-	.round_rate = ls1x_divider_round_rate,
+	.determine_rate = ls1x_divider_determine_rate,
 	.set_rate = ls1x_divider_set_rate,
 };
 

drivers/clk/clk-max9485.c

···
 	return 0;
 }
 
-static long max9485_clkout_round_rate(struct clk_hw *hw, unsigned long rate,
-				      unsigned long *parent_rate)
+static int max9485_clkout_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	const struct max9485_rate *curr, *prev = NULL;
 
 	for (curr = max9485_rates; curr->out != 0; curr++) {
 		/* Exact matches */
-		if (curr->out == rate)
-			return rate;
+		if (curr->out == req->rate)
+			return 0;
 
 		/*
 		 * Find the first entry that has a frequency higher than the
 		 * requested one.
 		 */
-		if (curr->out > rate) {
+		if (curr->out > req->rate) {
 			unsigned int mid;
 
 			/*
 			 * If this is the first entry, clamp the value to the
 			 * lowest possible frequency.
 			 */
-			if (!prev)
-				return curr->out;
+			if (!prev) {
+				req->rate = curr->out;
+
+				return 0;
+			}
 
 			/*
 			 * Otherwise, determine whether the previous entry or
···
 			 */
 			mid = prev->out + ((curr->out - prev->out) / 2);
 
-			return (mid > rate) ? prev->out : curr->out;
+			req->rate = mid > req->rate ? prev->out : curr->out;
+
+			return 0;
 		}
 
 		prev = curr;
 	}
 
 	/* If the last entry was still too high, clamp the value */
-	return prev->out;
+	req->rate = prev->out;
+
+	return 0;
 }
 
 struct max9485_clk {
···
 		.parent_index = -1,
 		.ops = {
 			.set_rate	= max9485_clkout_set_rate,
-			.round_rate	= max9485_clkout_round_rate,
+			.determine_rate = max9485_clkout_determine_rate,
 			.recalc_rate	= max9485_clkout_recalc_rate,
 		},
 	},

drivers/clk/clk-milbeaut.c

···
 				   divider->flags, divider->width);
 }
 
-static long m10v_clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int m10v_clk_divider_determine_rate(struct clk_hw *hw,
+					   struct clk_rate_request *req)
 {
 	struct m10v_clk_divider *divider = to_m10v_div(hw);
 
···
 		val = readl(divider->reg) >> 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(hw, rate, prate, divider->table,
-				  divider->width, divider->flags);
+	req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate,
+				       divider->table, divider->width, divider->flags);
+
+	return 0;
 }
 
 static int m10v_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops m10v_clk_divider_ops = {
 	.recalc_rate = m10v_clk_divider_recalc_rate,
-	.round_rate = m10v_clk_divider_round_rate,
+	.determine_rate = m10v_clk_divider_determine_rate,
 	.set_rate = m10v_clk_divider_set_rate,
 };
 

drivers/clk/clk-multiplier.c

···
 	return bestmult;
 }
 
-static long clk_multiplier_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *parent_rate)
+static int clk_multiplier_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	struct clk_multiplier *mult = to_clk_multiplier(hw);
-	unsigned long factor = __bestmult(hw, rate, parent_rate,
+	unsigned long factor = __bestmult(hw, req->rate, &req->best_parent_rate,
 					  mult->width, mult->flags);
 
-	return *parent_rate * factor;
+	req->rate = req->best_parent_rate * factor;
+
+	return 0;
 }
 
 static int clk_multiplier_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 const struct clk_ops clk_multiplier_ops = {
 	.recalc_rate	= clk_multiplier_recalc_rate,
-	.round_rate	= clk_multiplier_round_rate,
+	.determine_rate = clk_multiplier_determine_rate,
 	.set_rate	= clk_multiplier_set_rate,
 };
 EXPORT_SYMBOL_GPL(clk_multiplier_ops);

drivers/clk/clk-scmi.c

···
 	return rate;
 }
 
-static long scmi_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *parent_rate)
+static int scmi_clk_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	u64 fmin, fmax, ftmp;
 	struct scmi_clk *clk = to_scmi_clk(hw);
···
 	 * running at then.
 	 */
 	if (clk->info->rate_discrete)
-		return rate;
+		return 0;
 
 	fmin = clk->info->range.min_rate;
 	fmax = clk->info->range.max_rate;
-	if (rate <= fmin)
-		return fmin;
-	else if (rate >= fmax)
-		return fmax;
+	if (req->rate <= fmin) {
+		req->rate = fmin;
 
-	ftmp = rate - fmin;
+		return 0;
+	} else if (req->rate >= fmax) {
+		req->rate = fmax;
+
+		return 0;
+	}
+
+	ftmp = req->rate - fmin;
 	ftmp += clk->info->range.step_size - 1; /* to round up */
 	do_div(ftmp, clk->info->range.step_size);
 
-	return ftmp * clk->info->range.step_size + fmin;
+	req->rate = ftmp * clk->info->range.step_size + fmin;
+
+	return 0;
 }
 
 static int scmi_clk_set_rate(struct clk_hw *hw, unsigned long rate,
···
 		return 0;
 
 	return p_idx;
-}
-
-static int scmi_clk_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
-{
-	/*
-	 * Suppose all the requested rates are supported, and let firmware
-	 * to handle the left work.
-	 */
-	return 0;
 }
 
 static int scmi_clk_enable(struct clk_hw *hw)
···
 
 	/* Rate ops */
 	ops->recalc_rate = scmi_clk_recalc_rate;
-	ops->round_rate = scmi_clk_round_rate;
 	ops->determine_rate = scmi_clk_determine_rate;
 	if (feats_key & BIT(SCMI_CLK_RATE_CTRL_SUPPORTED))
 		ops->set_rate = scmi_clk_set_rate;

drivers/clk/clk-scpi.c

···
 	return clk->scpi_ops->clk_get_val(clk->id);
 }
 
-static long scpi_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *parent_rate)
+static int scpi_clk_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	/*
 	 * We can't figure out what rate it will be, so just return the
···
 	 * after the rate is set and we'll know what rate the clock is
 	 * running at then.
 	 */
-	return rate;
+	return 0;
 }
 
 static int scpi_clk_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops scpi_clk_ops = {
 	.recalc_rate = scpi_clk_recalc_rate,
-	.round_rate = scpi_clk_round_rate,
+	.determine_rate = scpi_clk_determine_rate,
 	.set_rate = scpi_clk_set_rate,
 };
 
···
 	return opp->freq;
 }
 
-static long scpi_dvfs_round_rate(struct clk_hw *hw, unsigned long rate,
-				 unsigned long *parent_rate)
+static int scpi_dvfs_determine_rate(struct clk_hw *hw,
+				    struct clk_rate_request *req)
 {
 	struct scpi_clk *clk = to_scpi_clk(hw);
 
-	return __scpi_dvfs_round_rate(clk, rate);
+	req->rate = __scpi_dvfs_round_rate(clk, req->rate);
+
+	return 0;
 }
 
 static int __scpi_find_dvfs_index(struct scpi_clk *clk, unsigned long rate)
···
 
 static const struct clk_ops scpi_dvfs_ops = {
 	.recalc_rate = scpi_dvfs_recalc_rate,
-	.round_rate = scpi_dvfs_round_rate,
+	.determine_rate = scpi_dvfs_determine_rate,
 	.set_rate = scpi_dvfs_set_rate,
 };
 

drivers/clk/clk-si514.c

···
 	return si514_calc_rate(&settings);
 }
 
-static long si514_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *parent_rate)
+static int si514_determine_rate(struct clk_hw *hw,
+				struct clk_rate_request *req)
 {
 	struct clk_si514_muldiv settings;
 	int err;
 
-	if (!rate)
+	if (!req->rate) {
+		req->rate = 0;
+
 		return 0;
+	}
 
-	err = si514_calc_muldiv(&settings, rate);
-	if (err)
-		return err;
+	err = si514_calc_muldiv(&settings, req->rate);
+	if (err) {
+		req->rate = err;
 
-	return si514_calc_rate(&settings);
+		return 0;
+	}
+
+	req->rate = si514_calc_rate(&settings);
+
+	return 0;
 }
 
 /*
···
 	.unprepare = si514_unprepare,
 	.is_prepared = si514_is_prepared,
 	.recalc_rate = si514_recalc_rate,
-	.round_rate = si514_round_rate,
+	.determine_rate = si514_determine_rate,
 	.set_rate = si514_set_rate,
 };
 

drivers/clk/clk-si521xx.c

···
 	return (unsigned long)rate;
 }
 
-static long si521xx_diff_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *prate)
+static int si521xx_diff_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	unsigned long best_parent;
 
-	best_parent = (rate / SI521XX_DIFF_MULT) * SI521XX_DIFF_DIV;
-	*prate = clk_hw_round_rate(clk_hw_get_parent(hw), best_parent);
+	best_parent = (req->rate / SI521XX_DIFF_MULT) * SI521XX_DIFF_DIV;
+	req->best_parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw), best_parent);
 
-	return (*prate / SI521XX_DIFF_DIV) * SI521XX_DIFF_MULT;
+	req->rate = (req->best_parent_rate / SI521XX_DIFF_DIV) * SI521XX_DIFF_MULT;
+
+	return 0;
 }
 
 static int si521xx_diff_set_rate(struct clk_hw *hw, unsigned long rate,
···
 }
 
 static const struct clk_ops si521xx_diff_clk_ops = {
-	.round_rate	= si521xx_diff_round_rate,
+	.determine_rate = si521xx_diff_determine_rate,
 	.set_rate	= si521xx_diff_set_rate,
 	.recalc_rate	= si521xx_diff_recalc_rate,
 	.prepare	= si521xx_diff_prepare,

drivers/clk/clk-si5341.c

···
 	return f;
 }
 
-static long si5341_synth_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *parent_rate)
+static int si5341_synth_clk_determine_rate(struct clk_hw *hw,
+					   struct clk_rate_request *req)
 {
 	struct clk_si5341_synth *synth = to_clk_si5341_synth(hw);
 	u64 f;
···
 	/* The synthesizer accuracy is such that anything in range will work */
 	f = synth->data->freq_vco;
 	do_div(f, SI5341_SYNTH_N_MAX);
-	if (rate < f)
-		return f;
+	if (req->rate < f) {
+		req->rate = f;
+
+		return 0;
+	}
 
 	f = synth->data->freq_vco;
 	do_div(f, SI5341_SYNTH_N_MIN);
-	if (rate > f)
-		return f;
+	if (req->rate > f) {
+		req->rate = f;
 
-	return rate;
+		return 0;
+	}
+
+	return 0;
 }
 
 static int si5341_synth_program(struct clk_si5341_synth *synth,
···
 	.prepare = si5341_synth_clk_prepare,
 	.unprepare = si5341_synth_clk_unprepare,
 	.recalc_rate = si5341_synth_clk_recalc_rate,
-	.round_rate = si5341_synth_clk_round_rate,
+	.determine_rate = si5341_synth_clk_determine_rate,
 	.set_rate = si5341_synth_clk_set_rate,
 };
 

drivers/clk/clk-si544.c

···
 	return si544_calc_rate(&settings);
 }
 
-static long si544_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *parent_rate)
+static int si544_determine_rate(struct clk_hw *hw,
+				struct clk_rate_request *req)
 {
 	struct clk_si544 *data = to_clk_si544(hw);
 
-	if (!is_valid_frequency(data, rate))
+	if (!is_valid_frequency(data, req->rate))
 		return -EINVAL;
 
 	/* The accuracy is less than 1 Hz, so any rate is possible */
-	return rate;
+	return 0;
 }
 
 /* Calculates the maximum "small" change, 950 * rate / 1000000 */
···
 	.unprepare = si544_unprepare,
 	.is_prepared = si544_is_prepared,
 	.recalc_rate = si544_recalc_rate,
-	.round_rate = si544_round_rate,
+	.determine_rate = si544_determine_rate,
 	.set_rate = si544_set_rate,
 };
 

drivers/clk/clk-si570.c

···
 	return rate;
 }
 
-static long si570_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *parent_rate)
+static int si570_determine_rate(struct clk_hw *hw,
+				struct clk_rate_request *req)
 {
 	int err;
 	u64 rfreq;
 	unsigned int n1, hs_div;
 	struct clk_si570 *data = to_clk_si570(hw);
 
-	if (!rate)
-		return 0;
+	if (!req->rate) {
+		req->rate = 0;
 
-	if (div64_u64(abs(rate - data->frequency) * 10000LL,
+		return 0;
+	}
+
+	if (div64_u64(abs(req->rate - data->frequency) * 10000LL,
 				data->frequency) < 35) {
-		rfreq = div64_u64((data->rfreq * rate) +
-				div64_u64(data->frequency, 2), data->frequency);
+		rfreq = div64_u64((data->rfreq * req->rate) +
+				  div64_u64(data->frequency, 2),
+				  data->frequency);
 		n1 = data->n1;
 		hs_div = data->hs_div;
 
 	} else {
-		err = si570_calc_divs(rate, data, &rfreq, &n1, &hs_div);
+		err = si570_calc_divs(req->rate, data, &rfreq, &n1, &hs_div);
 		if (err) {
 			dev_err(&data->i2c_client->dev,
 					"unable to round rate\n");
+			req->rate = 0;
+
 			return 0;
 		}
 	}
 
-	return rate;
+	return 0;
 }
 
 /**
···
 
 static const struct clk_ops si570_clk_ops = {
 	.recalc_rate = si570_recalc_rate,
-	.round_rate = si570_round_rate,
+	.determine_rate = si570_determine_rate,
 	.set_rate = si570_set_rate,
 };
 

drivers/clk/clk-sp7021.c

···
 	return fbdiv;
 }
 
-static long sp_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-			      unsigned long *prate)
+static int sp_pll_determine_rate(struct clk_hw *hw,
+				 struct clk_rate_request *req)
 {
 	struct sp_pll *clk = to_sp_pll(hw);
 	long ret;
 
-	if (rate == *prate) {
-		ret = *prate; /* bypass */
+	if (req->rate == req->best_parent_rate) {
+		ret = req->best_parent_rate; /* bypass */
 	} else if (clk->div_width == DIV_A) {
-		ret = plla_round_rate(clk, rate);
+		ret = plla_round_rate(clk, req->rate);
 	} else if (clk->div_width == DIV_TV) {
-		ret = plltv_div(clk, rate);
+		ret = plltv_div(clk, req->rate);
 		if (ret < 0)
-			ret = *prate;
+			ret = req->best_parent_rate;
 	} else {
-		ret = sp_pll_calc_div(clk, rate) * clk->brate;
+		ret = sp_pll_calc_div(clk, req->rate) * clk->brate;
 	}
 
-	return ret;
+	req->rate = ret;
+
+	return 0;
 }
 
 static unsigned long sp_pll_recalc_rate(struct clk_hw *hw,
···
 	.enable = sp_pll_enable,
 	.disable = sp_pll_disable,
 	.is_enabled = sp_pll_is_enabled,
-	.round_rate = sp_pll_round_rate,
+	.determine_rate = sp_pll_determine_rate,
 	.recalc_rate = sp_pll_recalc_rate,
 	.set_rate = sp_pll_set_rate
 };

drivers/clk/clk-sparx5.c

···
 	return conf.freq;
 }
 
-static long s5_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-			      unsigned long *parent_rate)
+static int s5_pll_determine_rate(struct clk_hw *hw,
+				 struct clk_rate_request *req)
 {
 	struct s5_pll_conf conf;
 
-	return s5_calc_params(rate, *parent_rate, &conf);
+	req->rate = s5_calc_params(req->rate, req->best_parent_rate, &conf);
+
+	return 0;
 }
 
 static const struct clk_ops s5_pll_ops = {
 	.enable		= s5_pll_enable,
 	.disable	= s5_pll_disable,
 	.set_rate	= s5_pll_set_rate,
-	.round_rate	= s5_pll_round_rate,
+	.determine_rate = s5_pll_determine_rate,
 	.recalc_rate	= s5_pll_recalc_rate,
 };
 

drivers/clk/clk-stm32f4.c

···
 	return parent_rate;
 }
 
-static long clk_apb_mul_round_rate(struct clk_hw *hw, unsigned long rate,
-				   unsigned long *prate)
+static int clk_apb_mul_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	struct clk_apb_mul *am = to_clk_apb_mul(hw);
 	unsigned long mult = 1;
···
 		mult = 2;
 
 	if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) {
-		unsigned long best_parent = rate / mult;
+		unsigned long best_parent = req->rate / mult;
 
-		*prate = clk_hw_round_rate(clk_hw_get_parent(hw), best_parent);
+		req->best_parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw), best_parent);
 	}
 
-	return *prate * mult;
+	req->rate = req->best_parent_rate * mult;
+
+	return 0;
 }
 
 static int clk_apb_mul_set_rate(struct clk_hw *hw, unsigned long rate,
···
 }
 
 static const struct clk_ops clk_apb_mul_factor_ops = {
-	.round_rate = clk_apb_mul_round_rate,
+	.determine_rate = clk_apb_mul_determine_rate,
 	.set_rate = clk_apb_mul_set_rate,
 	.recalc_rate = clk_apb_mul_recalc_rate,
 };
···
 	return parent_rate * n;
 }
 
-static long stm32f4_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *prate)
+static int stm32f4_pll_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	struct clk_gate *gate = to_clk_gate(hw);
 	struct stm32f4_pll *pll = to_stm32f4_pll(gate);
 	unsigned long n;
 
-	n = rate / *prate;
+	n = req->rate / req->best_parent_rate;
 
 	if (n < pll->n_start)
 		n = pll->n_start;
 	else if (n > 432)
 		n = 432;
 
-	return *prate * n;
+	req->rate = req->best_parent_rate * n;
+
+	return 0;
 }
 
 static void stm32f4_pll_set_ssc(struct clk_hw *hw, unsigned long parent_rate,
···
 	.disable	= stm32f4_pll_disable,
 	.is_enabled	= stm32f4_pll_is_enabled,
 	.recalc_rate	= stm32f4_pll_recalc,
-	.round_rate	= stm32f4_pll_round_rate,
+	.determine_rate = stm32f4_pll_determine_rate,
 	.set_rate	= stm32f4_pll_set_rate,
 };
 

drivers/clk/clk-tps68470.c

···
 	return best_idx;
 }
 
-static long tps68470_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *parent_rate)
+static int tps68470_clk_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
-	unsigned int idx = tps68470_clk_cfg_lookup(rate);
+	unsigned int idx = tps68470_clk_cfg_lookup(req->rate);
 
-	return clk_freqs[idx].freq;
+	req->rate = clk_freqs[idx].freq;
+
+	return 0;
 }
 
 static int tps68470_clk_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.prepare = tps68470_clk_prepare,
 	.unprepare = tps68470_clk_unprepare,
 	.recalc_rate = tps68470_clk_recalc_rate,
-	.round_rate = tps68470_clk_round_rate,
+	.determine_rate = tps68470_clk_determine_rate,
 	.set_rate = tps68470_clk_set_rate,
 };
 

drivers/clk/clk-versaclock3.c

···
 	return rate;
 }
 
-static long vc3_pfd_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int vc3_pfd_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct vc3_hw_data *vc3 = container_of(hw, struct vc3_hw_data, hw);
 	const struct vc3_pfd_data *pfd = vc3->data;
 	unsigned long idiv;
 
 	/* PLL cannot operate with input clock above 50 MHz. */
-	if (rate > 50000000)
+	if (req->rate > 50000000)
 		return -EINVAL;
 
 	/* CLKIN within range of PLL input, feed directly to PLL. */
-	if (*parent_rate <= 50000000)
-		return *parent_rate;
+	if (req->best_parent_rate <= 50000000) {
+		req->rate = req->best_parent_rate;
 
-	idiv = DIV_ROUND_UP(*parent_rate, rate);
+		return 0;
+	}
+
+	idiv = DIV_ROUND_UP(req->best_parent_rate, req->rate);
 	if (pfd->num == VC3_PFD1 || pfd->num == VC3_PFD3) {
 		if (idiv > 63)
 			return -EINVAL;
···
 			return -EINVAL;
 	}
 
-	return *parent_rate / idiv;
+	req->rate = req->best_parent_rate / idiv;
+
+	return 0;
 }
 
 static int vc3_pfd_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops vc3_pfd_ops = {
 	.recalc_rate = vc3_pfd_recalc_rate,
-	.round_rate = vc3_pfd_round_rate,
+	.determine_rate = vc3_pfd_determine_rate,
 	.set_rate = vc3_pfd_set_rate,
 };
 
···
 	return rate;
 }
 
-static long vc3_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int vc3_pll_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct vc3_hw_data *vc3 = container_of(hw, struct vc3_hw_data, hw);
 	const struct vc3_pll_data *pll = vc3->data;
 	u64 div_frc;
 
-	if (rate < pll->vco.min)
-		rate = pll->vco.min;
-	if (rate > pll->vco.max)
-		rate = pll->vco.max;
+	if (req->rate < pll->vco.min)
+		req->rate = pll->vco.min;
+	if (req->rate > pll->vco.max)
+		req->rate = pll->vco.max;
 
-	vc3->div_int = rate / *parent_rate;
+	vc3->div_int = req->rate / req->best_parent_rate;
 
 	if (pll->num == VC3_PLL2) {
 		if (vc3->div_int > 0x7ff)
-			rate = *parent_rate * 0x7ff;
+			req->rate = req->best_parent_rate * 0x7ff;
 
 		/* Determine best fractional part, which is 16 bit wide */
-		div_frc = rate % *parent_rate;
+		div_frc = req->rate % req->best_parent_rate;
 		div_frc *= BIT(16) - 1;
 
-		vc3->div_frc = min_t(u64, div64_ul(div_frc, *parent_rate), U16_MAX);
-		rate = (*parent_rate *
-			(vc3->div_int * VC3_2_POW_16 + vc3->div_frc) / VC3_2_POW_16);
+		vc3->div_frc = min_t(u64,
+				     div64_ul(div_frc, req->best_parent_rate),
+				     U16_MAX);
+		req->rate = (req->best_parent_rate *
+			     (vc3->div_int * VC3_2_POW_16 + vc3->div_frc) / VC3_2_POW_16);
 	} else {
-		rate = *parent_rate * vc3->div_int;
+		req->rate = req->best_parent_rate * vc3->div_int;
 	}
 
-	return rate;
+	return 0;
 }
 
 static int vc3_pll_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops vc3_pll_ops = {
 	.recalc_rate = vc3_pll_recalc_rate,
-	.round_rate = vc3_pll_round_rate,
+	.determine_rate = vc3_pll_determine_rate,
 	.set_rate = vc3_pll_set_rate,
 };
 
···
 				   div_data->flags, div_data->width);
 }
 
-static long vc3_div_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int vc3_div_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct vc3_hw_data *vc3 = container_of(hw, struct vc3_hw_data, hw);
 	const struct vc3_div_data *div_data = vc3->data;
···
 		bestdiv >>= div_data->shift;
 		bestdiv &= VC3_DIV_MASK(div_data->width);
 		bestdiv = vc3_get_div(div_data->table, bestdiv, div_data->flags);
-		return DIV_ROUND_UP(*parent_rate, bestdiv);
+		req->rate = DIV_ROUND_UP(req->best_parent_rate, bestdiv);
+
+		return 0;
 	}
 
-	return divider_round_rate(hw, rate, parent_rate, div_data->table,
-				  div_data->width, div_data->flags);
+	req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate,
+				       div_data->table,
+				       div_data->width, div_data->flags);
+
+	return 0;
 }
 
 static int vc3_div_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops vc3_div_ops = {
 	.recalc_rate = vc3_div_recalc_rate,
-	.round_rate = vc3_div_round_rate,
+	.determine_rate = vc3_div_determine_rate,
 	.set_rate = vc3_div_set_rate,
 };
 

drivers/clk/clk-versaclock5.c

···
 	return parent_rate;
 }
 
-static long vc5_dbl_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int vc5_dbl_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
-	if ((*parent_rate == rate) || ((*parent_rate * 2) == rate))
-		return rate;
+	if ((req->best_parent_rate == req->rate) || ((req->best_parent_rate * 2) == req->rate))
+		return 0;
 	else
 		return -EINVAL;
 }
···
 
 static const struct clk_ops vc5_dbl_ops = {
 	.recalc_rate	= vc5_dbl_recalc_rate,
-	.round_rate	= vc5_dbl_round_rate,
+	.determine_rate = vc5_dbl_determine_rate,
 	.set_rate	= vc5_dbl_set_rate,
 };
 
···
 		return parent_rate / VC5_REF_DIVIDER_REF_DIV(div);
 }
 
-static long vc5_pfd_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int vc5_pfd_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	unsigned long idiv;
 
 	/* PLL cannot operate with input clock above 50 MHz. */
-	if (rate > 50000000)
+	if (req->rate > 50000000)
 		return -EINVAL;
 
 	/* CLKIN within range of PLL input, feed directly to PLL. */
-	if (*parent_rate <= 50000000)
-		return *parent_rate;
+	if (req->best_parent_rate <= 50000000) {
+		req->rate = req->best_parent_rate;
 
-	idiv = DIV_ROUND_UP(*parent_rate, rate);
+		return 0;
+	}
+
+	idiv = DIV_ROUND_UP(req->best_parent_rate, req->rate);
 	if (idiv > 127)
 		return -EINVAL;
 
-	return *parent_rate / idiv;
+	req->rate = req->best_parent_rate / idiv;
+
+	return 0;
 }
 
 static int vc5_pfd_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops vc5_pfd_ops = {
 	.recalc_rate	= vc5_pfd_recalc_rate,
-	.round_rate	= vc5_pfd_round_rate,
+	.determine_rate = vc5_pfd_determine_rate,
 	.set_rate	= vc5_pfd_set_rate,
 };
 
···
 	return (parent_rate * div_int) + ((parent_rate * div_frc) >> 24);
 }
 
-static long vc5_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int vc5_pll_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw);
 	struct vc5_driver_data *vc5 = hwdata->vc5;
 	u32 div_int;
 	u64 div_frc;
 
-	rate = clamp(rate, VC5_PLL_VCO_MIN, vc5->chip_info->vco_max);
+	req->rate = clamp(req->rate, VC5_PLL_VCO_MIN, vc5->chip_info->vco_max);
 
 	/* Determine integer part, which is 12 bit wide */
-	div_int = rate / *parent_rate;
+	div_int = req->rate / req->best_parent_rate;
 	if (div_int > 0xfff)
-		rate = *parent_rate * 0xfff;
+		req->rate = req->best_parent_rate * 0xfff;
 
 	/* Determine best fractional part, which is 24 bit wide */
-	div_frc = rate % *parent_rate;
+	div_frc = req->rate % req->best_parent_rate;
 	div_frc *= BIT(24) - 1;
-	do_div(div_frc, *parent_rate);
+	do_div(div_frc, req->best_parent_rate);
 
 	hwdata->div_int = div_int;
 	hwdata->div_frc = (u32)div_frc;
 
-	return (*parent_rate * div_int) + ((*parent_rate * div_frc) >> 24);
+	req->rate = (req->best_parent_rate * div_int) + ((req->best_parent_rate * div_frc) >> 24);
+
+	return 0;
 }
 
 static int vc5_pll_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops vc5_pll_ops = {
 	.recalc_rate	= vc5_pll_recalc_rate,
-	.round_rate	= vc5_pll_round_rate,
+	.determine_rate = vc5_pll_determine_rate,
 	.set_rate	= vc5_pll_set_rate,
 };
 
···
 	return div64_u64((u64)f_in << 24ULL, ((u64)div_int << 24ULL) + div_frc);
 }
 
-static long vc5_fod_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int vc5_fod_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct vc5_hw_data *hwdata = container_of(hw, struct vc5_hw_data, hw);
 	/* VCO frequency is divided by two before entering FOD */
-	u32 f_in = *parent_rate / 2;
+	u32 f_in = req->best_parent_rate / 2;
 	u32 div_int;
 	u64 div_frc;
 
 	/* Determine integer part, which is 12 bit wide */
-	div_int = f_in / rate;
+	div_int = f_in / req->rate;
 	/*
 	 * WARNING: The clock chip does not output signal if the integer part
 	 *          of the divider is 0xfff and fractional part is non-zero.
···
 	 */
 	if (div_int > 0xffe) {
 		div_int = 0xffe;
-		rate = f_in / div_int;
+		req->rate = f_in / div_int;
 	}
 
 	/* Determine best fractional part, which is 30 bit wide */
-	div_frc = f_in % rate;
+	div_frc = f_in % req->rate;
 	div_frc <<= 24;
-	do_div(div_frc, rate);
+	do_div(div_frc, req->rate);
 
 	hwdata->div_int = div_int;
 	hwdata->div_frc = (u32)div_frc;
 
-	return div64_u64((u64)f_in << 24ULL, ((u64)div_int << 24ULL) + div_frc);
+	req->rate = div64_u64((u64)f_in << 24ULL, ((u64)div_int << 24ULL) + div_frc);
+
+	return 0;
 }
 
 static int vc5_fod_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops vc5_fod_ops = {
 	.recalc_rate	= vc5_fod_recalc_rate,
-	.round_rate	= vc5_fod_round_rate,
+	.determine_rate = vc5_fod_determine_rate,
 	.set_rate	= vc5_fod_set_rate,
 };
 

drivers/clk/clk-versaclock7.c

···
 	return fod_rate;
 }
 
-static long vc7_fod_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate)
+static int vc7_fod_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct vc7_fod_data *fod = container_of(hw, struct vc7_fod_data, hw);
 	unsigned long fod_rate;
 
 	pr_debug("%s - %s: requested rate: %lu, parent_rate: %lu\n",
-		 __func__, clk_hw_get_name(hw), rate, *parent_rate);
+		 __func__, clk_hw_get_name(hw), req->rate, req->best_parent_rate);
 
-	vc7_calc_fod_divider(rate, *parent_rate,
+	vc7_calc_fod_divider(req->rate, req->best_parent_rate,
 			     &fod->fod_1st_int, &fod->fod_2nd_int, &fod->fod_frac);
-	fod_rate = vc7_calc_fod_2nd_stage_rate(*parent_rate, fod->fod_1st_int,
+	fod_rate = vc7_calc_fod_2nd_stage_rate(req->best_parent_rate, fod->fod_1st_int,
 					       fod->fod_2nd_int, fod->fod_frac);
 
 	pr_debug("%s - %s: fod_1st_int: %u, fod_2nd_int: %u, fod_frac: %llu\n",
···
 		 fod->fod_1st_int, fod->fod_2nd_int, fod->fod_frac);
 	pr_debug("%s - %s rate: %lu\n", __func__, clk_hw_get_name(hw), fod_rate);
 
-	return fod_rate;
+	req->rate = fod_rate;
+
+	return 0;
 }
 
 static int vc7_fod_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate)
···
 
 static const struct clk_ops vc7_fod_ops = {
 	.recalc_rate = vc7_fod_recalc_rate,
-	.round_rate = vc7_fod_round_rate,
+	.determine_rate = vc7_fod_determine_rate,
 	.set_rate = vc7_fod_set_rate,
 };
 
···
 	return iod_rate;
 }
 
-static long vc7_iod_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *parent_rate)
+static int vc7_iod_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct vc7_iod_data *iod = container_of(hw, struct vc7_iod_data, hw);
 	unsigned long iod_rate;
 
 	pr_debug("%s - %s: requested rate: %lu, parent_rate: %lu\n",
-		 __func__, clk_hw_get_name(hw), rate, *parent_rate);
+		 __func__, clk_hw_get_name(hw), req->rate, req->best_parent_rate);
 
-	vc7_calc_iod_divider(rate, *parent_rate, &iod->iod_int);
-	iod_rate = div64_u64(*parent_rate, iod->iod_int);
+	vc7_calc_iod_divider(req->rate, req->best_parent_rate, &iod->iod_int);
+	iod_rate = div64_u64(req->best_parent_rate, iod->iod_int);
 
 	pr_debug("%s - %s: iod_int: %u\n", __func__, clk_hw_get_name(hw), iod->iod_int);
 	pr_debug("%s - %s rate: %ld\n", __func__, clk_hw_get_name(hw), iod_rate);
 
-	return iod_rate;
+	req->rate = iod_rate;
+
+	return 0;
 }
 
 static int vc7_iod_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate)
···
 
 static const struct clk_ops vc7_iod_ops = {
 	.recalc_rate = vc7_iod_recalc_rate,
-	.round_rate = vc7_iod_round_rate,
+	.determine_rate = vc7_iod_determine_rate,
 	.set_rate = vc7_iod_set_rate,
 };
 

drivers/clk/clk-vt8500.c

···
 	return parent_rate / div;
 }
 
-static long vt8500_dclk_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int vt8500_dclk_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	struct clk_device *cdev = to_clk_device(hw);
 	u32 divisor;
 
-	if (rate == 0)
+	if (req->rate == 0)
 		return 0;
 
-	divisor = *prate / rate;
+	divisor = req->best_parent_rate / req->rate;
 
 	/* If prate / rate would be decimal, incr the divisor */
-	if (rate * divisor < *prate)
+	if (req->rate * divisor < req->best_parent_rate)
 		divisor++;
 
 	/*
 	 * If this is a request for SDMMC we have to adjust the divisor
 	 * when >31 to use the fixed predivisor
 	 */
-	if ((cdev->div_mask == 0x3F) && (divisor > 31)) {
+	if ((cdev->div_mask == 0x3F) && (divisor > 31))
 		divisor = 64 * ((divisor / 64) + 1);
-	}
 
-	return *prate / divisor;
+	req->rate = req->best_parent_rate / divisor;
+
+	return 0;
 }
 
 static int vt8500_dclk_set_rate(struct clk_hw *hw, unsigned long rate,
···
 };
 
 static const struct clk_ops vt8500_divisor_clk_ops = {
-	.round_rate = vt8500_dclk_round_rate,
+	.determine_rate = vt8500_dclk_determine_rate,
 	.set_rate = vt8500_dclk_set_rate,
 	.recalc_rate = vt8500_dclk_recalc_rate,
 };
···
 	.enable = vt8500_dclk_enable,
 	.disable = vt8500_dclk_disable,
 	.is_enabled = vt8500_dclk_is_enabled,
-	.round_rate = vt8500_dclk_round_rate,
+	.determine_rate = vt8500_dclk_determine_rate,
 	.set_rate = vt8500_dclk_set_rate,
 	.recalc_rate = vt8500_dclk_recalc_rate,
 };
···
 	return 0;
 }
 
-static long vtwm_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int vtwm_pll_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	struct clk_pll *pll = to_clk_pll(hw);
 	u32 filter, mul, div1, div2;
···
 
 	switch (pll->type) {
 	case PLL_TYPE_VT8500:
-		ret = vt8500_find_pll_bits(rate, *prate, &mul, &div1);
+		ret = vt8500_find_pll_bits(req->rate, req->best_parent_rate,
+					   &mul, &div1);
 		if (!ret)
-			round_rate = VT8500_BITS_TO_FREQ(*prate, mul, div1);
+			round_rate = VT8500_BITS_TO_FREQ(req->best_parent_rate,
+							 mul, div1);
 		break;
 	case PLL_TYPE_WM8650:
-		ret = wm8650_find_pll_bits(rate, *prate, &mul, &div1, &div2);
+		ret = wm8650_find_pll_bits(req->rate, req->best_parent_rate,
+					   &mul, &div1, &div2);
 		if (!ret)
-			round_rate = WM8650_BITS_TO_FREQ(*prate, mul, div1, div2);
+			round_rate = WM8650_BITS_TO_FREQ(req->best_parent_rate,
+							 mul, div1, div2);
 		break;
 	case PLL_TYPE_WM8750:
-		ret = wm8750_find_pll_bits(rate, *prate, &filter, &mul, &div1, &div2);
+		ret = wm8750_find_pll_bits(req->rate, req->best_parent_rate,
+					   &filter, &mul, &div1, &div2);
 		if (!ret)
-			round_rate = WM8750_BITS_TO_FREQ(*prate, mul, div1, div2);
+			round_rate = WM8750_BITS_TO_FREQ(req->best_parent_rate,
+							 mul, div1, div2);
 		break;
 	case PLL_TYPE_WM8850:
-		ret = wm8850_find_pll_bits(rate, *prate, &mul, &div1, &div2);
+		ret = wm8850_find_pll_bits(req->rate, req->best_parent_rate,
+					   &mul, &div1, &div2);
 		if (!ret)
-			round_rate = WM8850_BITS_TO_FREQ(*prate, mul, div1, div2);
+			round_rate = WM8850_BITS_TO_FREQ(req->best_parent_rate,
+							 mul, div1, div2);
 		break;
 	default:
-		ret = -EINVAL;
+		return -EINVAL;
 	}
 
 	if (ret)
-		return ret;
+		req->rate = ret;
+	else
+		req->rate = round_rate;
 
-	return round_rate;
+	return 0;
 }
 
 static unsigned long vtwm_pll_recalc_rate(struct clk_hw *hw,
···
 }
 
 static const struct clk_ops vtwm_pll_ops = {
-	.round_rate = vtwm_pll_round_rate,
+	.determine_rate = vtwm_pll_determine_rate,
 	.set_rate = vtwm_pll_set_rate,
 	.recalc_rate = vtwm_pll_recalc_rate,
 };

drivers/clk/clk-wm831x.c

···
 	return 0;
 }
 
-static long wm831x_fll_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *unused)
+static int wm831x_fll_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	int best = 0;
 	int i;
 
 	for (i = 0; i < ARRAY_SIZE(wm831x_fll_auto_rates); i++)
-		if (abs(wm831x_fll_auto_rates[i] - rate) <
-		    abs(wm831x_fll_auto_rates[best] - rate))
+		if (abs(wm831x_fll_auto_rates[i] - req->rate) <
+		    abs(wm831x_fll_auto_rates[best] - req->rate))
 			best = i;
 
-	return wm831x_fll_auto_rates[best];
+	req->rate = wm831x_fll_auto_rates[best];
+
+	return 0;
 }
 
 static int wm831x_fll_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.is_prepared = wm831x_fll_is_prepared,
 	.prepare = wm831x_fll_prepare,
 	.unprepare = wm831x_fll_unprepare,
-	.round_rate = wm831x_fll_round_rate,
+	.determine_rate = wm831x_fll_determine_rate,
 	.recalc_rate = wm831x_fll_recalc_rate,
 	.set_rate = wm831x_fll_set_rate,
 	.get_parent = wm831x_fll_get_parent,

drivers/clk/clk-xgene.c

···
 	return ret;
 }
 
-static long xgene_clk_pmd_round_rate(struct clk_hw *hw, unsigned long rate,
-				     unsigned long *parent_rate)
+static int xgene_clk_pmd_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
 	struct xgene_clk_pmd *fd = to_xgene_clk_pmd(hw);
 	u64 ret, scale;
 
-	if (!rate || rate >= *parent_rate)
-		return *parent_rate;
+	if (!req->rate || req->rate >= req->best_parent_rate) {
+		req->rate = req->best_parent_rate;
+
+		return 0;
+	}
 
 	/* freq = parent_rate * scaler / denom */
-	ret = rate * fd->denom;
-	scale = DIV_ROUND_UP_ULL(ret, *parent_rate);
+	ret = req->rate * fd->denom;
+	scale = DIV_ROUND_UP_ULL(ret, req->best_parent_rate);
 
-	ret = (u64)*parent_rate * scale;
+	ret = (u64)req->best_parent_rate * scale;
 	do_div(ret, fd->denom);
 
-	return ret;
+	req->rate = ret;
+
+	return 0;
 }
 
 static int xgene_clk_pmd_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops xgene_clk_pmd_ops = {
 	.recalc_rate = xgene_clk_pmd_recalc_rate,
-	.round_rate = xgene_clk_pmd_round_rate,
+	.determine_rate = xgene_clk_pmd_determine_rate,
 	.set_rate = xgene_clk_pmd_set_rate,
 };
 
···
 	return parent_rate / divider_save;
 }
 
-static long xgene_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int xgene_clk_determine_rate(struct clk_hw *hw,
+				    struct clk_rate_request *req)
 {
 	struct xgene_clk *pclk = to_xgene_clk(hw);
-	unsigned long parent_rate = *prate;
+	unsigned long parent_rate = req->best_parent_rate;
 	u32 divider;
 
 	if (pclk->param.divider_reg) {
 		/* Let's compute the divider */
-		if (rate > parent_rate)
-			rate = parent_rate;
-		divider = parent_rate / rate;   /* Rounded down */
+		if (req->rate > parent_rate)
+			req->rate = parent_rate;
+		divider = parent_rate / req->rate;   /* Rounded down */
 	} else {
 		divider = 1;
 	}
 
-	return parent_rate / divider;
+	req->rate = parent_rate / divider;
+
+	return 0;
 }
 
 static const struct clk_ops xgene_clk_ops = {
···
 	.is_enabled = xgene_clk_is_enabled,
 	.recalc_rate = xgene_clk_recalc_rate,
 	.set_rate = xgene_clk_set_rate,
-	.round_rate = xgene_clk_round_rate,
+	.determine_rate = xgene_clk_determine_rate,
 };
 
 static struct clk *xgene_register_clk(struct device *dev,

drivers/clk/hisilicon/clk-hi3660-stub.c

···
 			.num_parents = 0,			\
 			.flags = CLK_GET_RATE_NOCACHE,		\
 		},						\
-	},
+	}
 
 #define to_stub_clk(_hw) container_of(_hw, struct hi3660_stub_clk, hw)
 
···
 	return stub_clk->rate;
 }
 
-static long hi3660_stub_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				       unsigned long *prate)
+static int hi3660_stub_clk_determine_rate(struct clk_hw *hw,
+					  struct clk_rate_request *req)
 {
 	/*
 	 * LPM3 handles rate rounding so just return whatever
 	 * rate is requested.
 	 */
-	return rate;
+	return 0;
 }
 
 static int hi3660_stub_clk_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops hi3660_stub_clk_ops = {
 	.recalc_rate    = hi3660_stub_clk_recalc_rate,
-	.round_rate     = hi3660_stub_clk_round_rate,
+	.determine_rate = hi3660_stub_clk_determine_rate,
 	.set_rate       = hi3660_stub_clk_set_rate,
 };
 
 static struct hi3660_stub_clk hi3660_stub_clks[HI3660_CLK_STUB_NUM] = {
-	DEFINE_CLK_STUB(HI3660_CLK_STUB_CLUSTER0, 0x0001030A, "cpu-cluster.0")
-	DEFINE_CLK_STUB(HI3660_CLK_STUB_CLUSTER1, 0x0002030A, "cpu-cluster.1")
-	DEFINE_CLK_STUB(HI3660_CLK_STUB_GPU, 0x0003030A, "clk-g3d")
-	DEFINE_CLK_STUB(HI3660_CLK_STUB_DDR, 0x00040309, "clk-ddrc")
+	DEFINE_CLK_STUB(HI3660_CLK_STUB_CLUSTER0, 0x0001030A, "cpu-cluster.0"),
+	DEFINE_CLK_STUB(HI3660_CLK_STUB_CLUSTER1, 0x0002030A, "cpu-cluster.1"),
+	DEFINE_CLK_STUB(HI3660_CLK_STUB_GPU, 0x0003030A, "clk-g3d"),
+	DEFINE_CLK_STUB(HI3660_CLK_STUB_DDR, 0x00040309, "clk-ddrc"),
 };
 
 static struct clk_hw *hi3660_stub_clk_hw_get(struct of_phandle_args *clkspec,

drivers/clk/hisilicon/clk-hi6220-stub.c

···
 	return ret;
 }
 
-static long hi6220_stub_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *parent_rate)
+static int hi6220_stub_clk_determine_rate(struct clk_hw *hw,
+					  struct clk_rate_request *req)
 {
 	struct hi6220_stub_clk *stub_clk = to_stub_clk(hw);
-	unsigned long new_rate = rate / 1000;  /* kHz */
+	unsigned long new_rate = req->rate / 1000;  /* kHz */
 
 	switch (stub_clk->id) {
 	case HI6220_STUB_ACPU0:
···
 		break;
 	}
 
-	return new_rate;
+	req->rate = new_rate;
+
+	return 0;
 }
 
 static const struct clk_ops hi6220_stub_clk_ops = {
 	.recalc_rate	= hi6220_stub_clk_recalc_rate,
-	.round_rate	= hi6220_stub_clk_round_rate,
+	.determine_rate = hi6220_stub_clk_determine_rate,
 	.set_rate	= hi6220_stub_clk_set_rate,
 };
 

drivers/clk/hisilicon/clkdivider-hi6220.c

···
 				   CLK_DIVIDER_ROUND_CLOSEST, dclk->width);
 }
 
-static long hi6220_clkdiv_round_rate(struct clk_hw *hw, unsigned long rate,
-					unsigned long *prate)
+static int hi6220_clkdiv_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
 	struct hi6220_clk_divider *dclk = to_hi6220_clk_divider(hw);
 
-	return divider_round_rate(hw, rate, prate, dclk->table,
-				  dclk->width, CLK_DIVIDER_ROUND_CLOSEST);
+	req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate, dclk->table,
+				       dclk->width, CLK_DIVIDER_ROUND_CLOSEST);
+
+	return 0;
 }
 
 static int hi6220_clkdiv_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops hi6220_clkdiv_ops = {
 	.recalc_rate = hi6220_clkdiv_recalc_rate,
-	.round_rate = hi6220_clkdiv_round_rate,
+	.determine_rate = hi6220_clkdiv_determine_rate,
 	.set_rate = hi6220_clkdiv_set_rate,
 };
 

drivers/clk/ingenic/cgu.c

···
 		n * od);
 }
 
-static long
-ingenic_pll_round_rate(struct clk_hw *hw, unsigned long req_rate,
-		       unsigned long *prate)
+static int ingenic_pll_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	struct ingenic_clk *ingenic_clk = to_ingenic_clk(hw);
 	const struct ingenic_cgu_clk_info *clk_info = to_clk_info(ingenic_clk);
 
-	return ingenic_pll_calc(clk_info, req_rate, *prate, NULL, NULL, NULL);
+	req->rate = ingenic_pll_calc(clk_info, req->rate, req->best_parent_rate,
+				     NULL, NULL, NULL);
+
+	return 0;
 }
 
 static inline int ingenic_pll_check_stable(struct ingenic_cgu *cgu,
···
 
 static const struct clk_ops ingenic_pll_ops = {
 	.recalc_rate = ingenic_pll_recalc_rate,
-	.round_rate = ingenic_pll_round_rate,
+	.determine_rate = ingenic_pll_determine_rate,
 	.set_rate = ingenic_pll_set_rate,
 
 	.enable = ingenic_pll_enable,

drivers/clk/ingenic/jz4780-cgu.c

···
 	return parent_rate;
 }
 
-static long jz4780_otg_phy_round_rate(struct clk_hw *hw, unsigned long req_rate,
-				      unsigned long *parent_rate)
+static int jz4780_otg_phy_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
-	if (req_rate < 15600000)
-		return 12000000;
+	if (req->rate < 15600000)
+		req->rate = 12000000;
+	else if (req->rate < 21600000)
+		req->rate = 19200000;
+	else if (req->rate < 36000000)
+		req->rate = 24000000;
+	else
+		req->rate = 48000000;
 
-	if (req_rate < 21600000)
-		return 19200000;
-
-	if (req_rate < 36000000)
-		return 24000000;
-
-	return 48000000;
+	return 0;
 }
 
 static int jz4780_otg_phy_set_rate(struct clk_hw *hw, unsigned long req_rate,
···
 
 static const struct clk_ops jz4780_otg_phy_ops = {
 	.recalc_rate = jz4780_otg_phy_recalc_rate,
-	.round_rate = jz4780_otg_phy_round_rate,
+	.determine_rate = jz4780_otg_phy_determine_rate,
 	.set_rate = jz4780_otg_phy_set_rate,
 
 	.enable		= jz4780_otg_phy_enable,

drivers/clk/ingenic/x1000-cgu.c

···
 	return parent_rate;
 }
 
-static long x1000_otg_phy_round_rate(struct clk_hw *hw, unsigned long req_rate,
-				      unsigned long *parent_rate)
+static int x1000_otg_phy_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
-	if (req_rate < 18000000)
-		return 12000000;
+	if (req->rate < 18000000)
+		req->rate = 12000000;
+	else if (req->rate < 36000000)
+		req->rate = 24000000;
+	else
+		req->rate = 48000000;
 
-	if (req_rate < 36000000)
-		return 24000000;
-
-	return 48000000;
+	return 0;
 }
 
 static int x1000_otg_phy_set_rate(struct clk_hw *hw, unsigned long req_rate,
···
 
 static const struct clk_ops x1000_otg_phy_ops = {
 	.recalc_rate = x1000_otg_phy_recalc_rate,
-	.round_rate = x1000_otg_phy_round_rate,
+	.determine_rate = x1000_otg_phy_determine_rate,
 	.set_rate = x1000_otg_phy_set_rate,
 
 	.enable		= x1000_usb_phy_enable,

drivers/clk/mediatek/clk-pll.c

···
 	return __mtk_pll_recalc_rate(pll, parent_rate, pcw, postdiv);
 }
 
-long mtk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-			unsigned long *prate)
+int mtk_pll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
 {
 	struct mtk_clk_pll *pll = to_mtk_clk_pll(hw);
 	u32 pcw = 0;
 	int postdiv;
 
-	mtk_pll_calc_values(pll, &pcw, &postdiv, rate, *prate);
+	mtk_pll_calc_values(pll, &pcw, &postdiv, req->rate,
+			    req->best_parent_rate);
 
-	return __mtk_pll_recalc_rate(pll, *prate, pcw, postdiv);
+	req->rate = __mtk_pll_recalc_rate(pll, req->best_parent_rate, pcw,
+					  postdiv);
+
+	return 0;
 }
 
 int mtk_pll_prepare(struct clk_hw *hw)
···
 	.prepare	= mtk_pll_prepare,
 	.unprepare	= mtk_pll_unprepare,
 	.recalc_rate	= mtk_pll_recalc_rate,
-	.round_rate	= mtk_pll_round_rate,
+	.determine_rate = mtk_pll_determine_rate,
 	.set_rate	= mtk_pll_set_rate,
 };
 

drivers/clk/mediatek/clk-pll.h

···
 			 u32 freq, u32 fin);
 int mtk_pll_set_rate(struct clk_hw *hw, unsigned long rate,
 		     unsigned long parent_rate);
-long mtk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-			unsigned long *prate);
+int mtk_pll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req);
 
 struct clk_hw *mtk_clk_register_pll_ops(struct mtk_clk_pll *pll,
 					const struct mtk_pll_data *data,

drivers/clk/mediatek/clk-pllfh.c

···
 	.prepare	= mtk_pll_prepare,
 	.unprepare	= mtk_pll_unprepare,
 	.recalc_rate	= mtk_pll_recalc_rate,
-	.round_rate	= mtk_pll_round_rate,
+	.determine_rate = mtk_pll_determine_rate,
 	.set_rate	= mtk_fhctl_set_rate,
 };
 

drivers/clk/microchip/clk-core.c

···
 	return parent_rate / pbclk_read_pbdiv(pb);
 }
 
-static long pbclk_round_rate(struct clk_hw *hw, unsigned long rate,
-			     unsigned long *parent_rate)
+static int pbclk_determine_rate(struct clk_hw *hw,
+				struct clk_rate_request *req)
 {
-	return calc_best_divided_rate(rate, *parent_rate,
-				      PB_DIV_MAX, PB_DIV_MIN);
+	req->rate = calc_best_divided_rate(req->rate, req->best_parent_rate,
+					   PB_DIV_MAX, PB_DIV_MIN);
+
+	return 0;
 }
 
 static int pbclk_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.disable	= pbclk_disable,
 	.is_enabled	= pbclk_is_enabled,
 	.recalc_rate	= pbclk_recalc_rate,
-	.round_rate	= pbclk_round_rate,
+	.determine_rate = pbclk_determine_rate,
 	.set_rate	= pbclk_set_rate,
 };
 
···
 	return roclk_calc_rate(parent_rate, rodiv, rotrim);
 }
 
-static long roclk_round_rate(struct clk_hw *hw, unsigned long rate,
-			     unsigned long *parent_rate)
+static int roclk_determine_rate(struct clk_hw *hw,
+				struct clk_rate_request *req)
 {
 	u32 rotrim, rodiv;
 
 	/* calculate dividers for new rate */
-	roclk_calc_div_trim(rate, *parent_rate, &rodiv, &rotrim);
+	roclk_calc_div_trim(req->rate, req->best_parent_rate, &rodiv, &rotrim);
 
 	/* caclulate new rate (rounding) based on new rodiv & rotrim */
-	return roclk_calc_rate(*parent_rate, rodiv, rotrim);
+	req->rate = roclk_calc_rate(req->best_parent_rate, rodiv, rotrim);
+
+	return 0;
 }
 
 static int roclk_determine_rate(struct clk_hw *hw,
···
 	return rate64;
 }
 
-static long spll_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *parent_rate)
+static int spll_clk_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	struct pic32_sys_pll *pll = clkhw_to_spll(hw);
 
-	return spll_calc_mult_div(pll, rate, *parent_rate, NULL, NULL);
+	req->rate = spll_calc_mult_div(pll, req->rate, req->best_parent_rate,
+				       NULL, NULL);
+
+	return 0;
 }
 
 static int spll_clk_set_rate(struct clk_hw *hw, unsigned long rate,
···
 /* SPLL clock operation */
 const struct clk_ops pic32_spll_ops = {
 	.recalc_rate	= spll_clk_recalc_rate,
-	.round_rate	= spll_clk_round_rate,
+	.determine_rate = spll_clk_determine_rate,
 	.set_rate	= spll_clk_set_rate,
 };
 
···
 	return parent_rate / div;
 }
 
-static long sclk_round_rate(struct clk_hw *hw, unsigned long rate,
-			    unsigned long *parent_rate)
+static int sclk_determine_rate(struct clk_hw *hw,
+			       struct clk_rate_request *req)
 {
-	return calc_best_divided_rate(rate, *parent_rate, SLEW_SYSDIV, 1);
+	req->rate = calc_best_divided_rate(req->rate, req->best_parent_rate,
+					   SLEW_SYSDIV, 1);
+
+	return 0;
 }
 
 static int sclk_set_rate(struct clk_hw *hw,
···
 const struct clk_ops pic32_sclk_ops = {
 	.get_parent	= sclk_get_parent,
 	.set_parent	= sclk_set_parent,
-	.round_rate	= sclk_round_rate,
+	.determine_rate = sclk_determine_rate,
 	.set_rate	= sclk_set_rate,
 	.recalc_rate	= sclk_get_rate,
 	.init		= sclk_init,

drivers/clk/mmp/clk-audio.c

···
 	return 0;
 }
 
-static long audio_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				 unsigned long *parent_rate)
+static int audio_pll_determine_rate(struct clk_hw *hw,
+				    struct clk_rate_request *req)
 {
 	unsigned int prediv;
 	unsigned int postdiv;
 	long rounded = 0;
 
 	for (prediv = 0; prediv < ARRAY_SIZE(predivs); prediv++) {
-		if (predivs[prediv].parent_rate != *parent_rate)
+		if (predivs[prediv].parent_rate != req->best_parent_rate)
 			continue;
 		for (postdiv = 0; postdiv < ARRAY_SIZE(postdivs); postdiv++) {
 			long freq = predivs[prediv].freq_vco;
 
 			freq /= postdivs[postdiv].divisor;
-			if (freq == rate)
-				return rate;
-			if (freq < rate)
+			if (freq == req->rate)
+				return 0;
+			if (freq < req->rate)
 				continue;
 			if (rounded && freq > rounded)
 				continue;
···
 		}
 	}
 
-	return rounded;
+	req->rate = rounded;
+
+	return 0;
 }
 
 static int audio_pll_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops audio_pll_ops = {
 	.recalc_rate = audio_pll_recalc_rate,
-	.round_rate = audio_pll_round_rate,
+	.determine_rate = audio_pll_determine_rate,
 	.set_rate = audio_pll_set_rate,
 };
 

drivers/clk/mmp/clk-frac.c

···
 
 #define to_clk_factor(hw) container_of(hw, struct mmp_clk_factor, hw)
 
-static long clk_factor_round_rate(struct clk_hw *hw, unsigned long drate,
-		unsigned long *prate)
+static int clk_factor_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	struct mmp_clk_factor *factor = to_clk_factor(hw);
 	u64 rate = 0, prev_rate;
···
 		d = &factor->ftbl[i];
 
 		prev_rate = rate;
-		rate = (u64)(*prate) * d->denominator;
+		rate = (u64)(req->best_parent_rate) * d->denominator;
 		do_div(rate, d->numerator * factor->masks->factor);
-		if (rate > drate)
+		if (rate > req->rate)
 			break;
 	}
-	if ((i == 0) || (i == factor->ftbl_cnt)) {
-		return rate;
-	} else {
-		if ((drate - prev_rate) > (rate - drate))
-			return rate;
-		else
-			return prev_rate;
-	}
+
+	if ((i == 0) || (i == factor->ftbl_cnt))
+		req->rate = rate;
+	else if ((req->rate - prev_rate) > (rate - req->rate))
+		req->rate = rate;
+	else
+		req->rate = prev_rate;
+
+	return 0;
 }
 
 static unsigned long clk_factor_recalc_rate(struct clk_hw *hw,
···
 
 static const struct clk_ops clk_factor_ops = {
 	.recalc_rate = clk_factor_recalc_rate,
-	.round_rate = clk_factor_round_rate,
+	.determine_rate = clk_factor_determine_rate,
 	.set_rate = clk_factor_set_rate,
 	.init = clk_factor_init,
 };

drivers/clk/mstar/clk-msc313-cpupll.c

···
 					     parent_rate);
 }
 
-static long msc313_cpupll_round_rate(struct clk_hw *hw, unsigned long rate,
-				     unsigned long *parent_rate)
+static int msc313_cpupll_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
-	u32 reg = msc313_cpupll_regforfrequecy(rate, *parent_rate);
-	long rounded = msc313_cpupll_frequencyforreg(reg, *parent_rate);
+	u32 reg = msc313_cpupll_regforfrequecy(req->rate, req->best_parent_rate);
+	long rounded = msc313_cpupll_frequencyforreg(reg, req->best_parent_rate);
 
 	/*
 	 * This is my poor attempt at making sure the resulting
 	 * rate doesn't overshoot the requested rate.
 	 */
-	for (; rounded >= rate && reg > 0; reg--)
-		rounded = msc313_cpupll_frequencyforreg(reg, *parent_rate);
+	for (; rounded >= req->rate && reg > 0; reg--)
+		rounded = msc313_cpupll_frequencyforreg(reg, req->best_parent_rate);
 
-	return rounded;
+	req->rate = rounded;
+
+	return 0;
 }
 
 static int msc313_cpupll_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate)
···
 
 static const struct clk_ops msc313_cpupll_ops = {
 	.recalc_rate	= msc313_cpupll_recalc_rate,
-	.round_rate	= msc313_cpupll_round_rate,
+	.determine_rate = msc313_cpupll_determine_rate,
 	.set_rate	= msc313_cpupll_set_rate,
 };
 

drivers/clk/mvebu/ap-cpu-clk.c

···
 	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,
 };
 

drivers/clk/mvebu/armada-37xx-periph.c

···
 	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))
···
 
 		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 */
···
 
 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,
 };

drivers/clk/mvebu/clk-corediv.c

···
 	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,
···
 		.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),
···
 		.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),
···
 	.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),
···
 	.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),

drivers/clk/mvebu/clk-cpu.c

···
 	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,
···
 
 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,
 };
 

drivers/clk/mvebu/dove-divider.c

···
 	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,
···
 
 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,
 };
 

drivers/clk/mxs/clk-div.c

···
 	return div->ops->recalc_rate(&div->divider.hw, parent_rate);
 }
 
-static long clk_div_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *prate)
+static int clk_div_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct clk_div *div = to_clk_div(hw);
 
-	return div->ops->round_rate(&div->divider.hw, rate, prate);
+	return div->ops->determine_rate(&div->divider.hw, req);
 }
 
 static int clk_div_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops clk_div_ops = {
 	.recalc_rate = clk_div_recalc_rate,
-	.round_rate = clk_div_round_rate,
+	.determine_rate = clk_div_determine_rate,
 	.set_rate = clk_div_set_rate,
 };
 

drivers/clk/mxs/clk-frac.c

···
 	return tmp_rate >> frac->width;
 }
 
-static long clk_frac_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int clk_frac_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	struct clk_frac *frac = to_clk_frac(hw);
-	unsigned long parent_rate = *prate;
+	unsigned long parent_rate = req->best_parent_rate;
 	u32 div;
 	u64 tmp, tmp_rate, result;
 
-	if (rate > parent_rate)
+	if (req->rate > parent_rate)
 		return -EINVAL;
 
-	tmp = rate;
+	tmp = req->rate;
 	tmp <<= frac->width;
 	do_div(tmp, parent_rate);
 	div = tmp;
···
 	result = tmp_rate >> frac->width;
 	if ((result << frac->width) < tmp_rate)
 		result += 1;
-	return result;
+	req->rate = result;
+
+	return 0;
 }
 
 static int clk_frac_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops clk_frac_ops = {
 	.recalc_rate = clk_frac_recalc_rate,
-	.round_rate = clk_frac_round_rate,
+	.determine_rate = clk_frac_determine_rate,
 	.set_rate = clk_frac_set_rate,
 };
 

drivers/clk/mxs/clk-ref.c

···
 	return tmp;
 }
 
-static long clk_ref_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *prate)
+static int clk_ref_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
-	unsigned long parent_rate = *prate;
+	unsigned long parent_rate = req->best_parent_rate;
 	u64 tmp = parent_rate;
 	u8 frac;
 
-	tmp = tmp * 18 + rate / 2;
-	do_div(tmp, rate);
+	tmp = tmp * 18 + req->rate / 2;
+	do_div(tmp, req->rate);
 	frac = clamp(tmp, 18, 35);
 
 	tmp = parent_rate;
 	tmp *= 18;
 	do_div(tmp, frac);
 
-	return tmp;
+	req->rate = tmp;
+
+	return 0;
 }
 
 static int clk_ref_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.enable		= clk_ref_enable,
 	.disable	= clk_ref_disable,
 	.recalc_rate	= clk_ref_recalc_rate,
-	.round_rate	= clk_ref_round_rate,
+	.determine_rate = clk_ref_determine_rate,
 	.set_rate	= clk_ref_set_rate,
 };
 

drivers/clk/nuvoton/clk-ma35d1-divider.c

···
 				   CLK_DIVIDER_ROUND_CLOSEST, dclk->width);
 }
 
-static long ma35d1_clkdiv_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *prate)
+static int ma35d1_clkdiv_determine_rate(struct clk_hw *hw,
+					struct clk_rate_request *req)
 {
 	struct ma35d1_adc_clk_div *dclk = to_ma35d1_adc_clk_div(hw);
 
-	return divider_round_rate(hw, rate, prate, dclk->table,
-				  dclk->width, CLK_DIVIDER_ROUND_CLOSEST);
+	req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate,
+				       dclk->table, dclk->width,
+				       CLK_DIVIDER_ROUND_CLOSEST);
+
+	return 0;
 }
 
 static int ma35d1_clkdiv_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate)
···
 
 static const struct clk_ops ma35d1_adc_clkdiv_ops = {
 	.recalc_rate = ma35d1_clkdiv_recalc_rate,
-	.round_rate = ma35d1_clkdiv_round_rate,
+	.determine_rate = ma35d1_clkdiv_determine_rate,
 	.set_rate = ma35d1_clkdiv_set_rate,
 };
 

drivers/clk/nuvoton/clk-ma35d1-pll.c

···
 	return 0;
 }
 
-static long ma35d1_clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				      unsigned long *parent_rate)
+static int ma35d1_clk_pll_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	struct ma35d1_clk_pll *pll = to_ma35d1_clk_pll(hw);
 	u32 reg_ctl[3] = { 0 };
 	unsigned long pll_freq;
 	long ret;
 
-	if (*parent_rate < PLL_FREF_MIN_FREQ || *parent_rate > PLL_FREF_MAX_FREQ)
+	if (req->best_parent_rate < PLL_FREF_MIN_FREQ || req->best_parent_rate > PLL_FREF_MAX_FREQ)
 		return -EINVAL;
 
-	ret = ma35d1_pll_find_closest(pll, rate, *parent_rate, reg_ctl, &pll_freq);
+	ret = ma35d1_pll_find_closest(pll, req->rate, req->best_parent_rate,
+				      reg_ctl, &pll_freq);
 	if (ret < 0)
 		return ret;
 
 	switch (pll->id) {
 	case CAPLL:
 		reg_ctl[0] = readl_relaxed(pll->ctl0_base);
-		pll_freq = ma35d1_calc_smic_pll_freq(reg_ctl[0], *parent_rate);
-		return pll_freq;
+		pll_freq = ma35d1_calc_smic_pll_freq(reg_ctl[0], req->best_parent_rate);
+		req->rate = pll_freq;
+
+		return 0;
 	case DDRPLL:
 	case APLL:
 	case EPLL:
 	case VPLL:
 		reg_ctl[0] = readl_relaxed(pll->ctl0_base);
 		reg_ctl[1] = readl_relaxed(pll->ctl1_base);
-		pll_freq = ma35d1_calc_pll_freq(pll->mode, reg_ctl, *parent_rate);
-		return pll_freq;
+		pll_freq = ma35d1_calc_pll_freq(pll->mode, reg_ctl, req->best_parent_rate);
+		req->rate = pll_freq;
+
+		return 0;
 	}
+
+	req->rate = 0;
+
 	return 0;
 }
 
···
 	.unprepare = ma35d1_clk_pll_unprepare,
 	.set_rate = ma35d1_clk_pll_set_rate,
 	.recalc_rate = ma35d1_clk_pll_recalc_rate,
-	.round_rate = ma35d1_clk_pll_round_rate,
+	.determine_rate = ma35d1_clk_pll_determine_rate,
 };
 
 static const struct clk_ops ma35d1_clk_fixed_pll_ops = {
 	.recalc_rate = ma35d1_clk_pll_recalc_rate,
-	.round_rate = ma35d1_clk_pll_round_rate,
+	.determine_rate = ma35d1_clk_pll_determine_rate,
 };
 
 struct clk_hw *ma35d1_reg_clk_pll(struct device *dev, u32 id, u8 u8mode, const char *name,

drivers/clk/nxp/clk-lpc18xx-cgu.c

···
 	return 0;
 }
 
-static long lpc18xx_pll0_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *prate)
+static int lpc18xx_pll0_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	unsigned long m;
 
-	if (*prate < rate) {
+	if (req->best_parent_rate < req->rate) {
 		pr_warn("%s: pll dividers not supported\n", __func__);
 		return -EINVAL;
 	}
 
-	m = DIV_ROUND_UP_ULL(*prate, rate * 2);
+	m = DIV_ROUND_UP_ULL(req->best_parent_rate, req->rate * 2);
 	if (m <= 0 && m > LPC18XX_PLL0_MSEL_MAX) {
-		pr_warn("%s: unable to support rate %lu\n", __func__, rate);
+		pr_warn("%s: unable to support rate %lu\n", __func__, req->rate);
 		return -EINVAL;
 	}
 
-	return 2 * *prate * m;
+	req->rate = 2 * req->best_parent_rate * m;
+
+	return 0;
 }
 
 static int lpc18xx_pll0_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops lpc18xx_pll0_ops = {
 	.recalc_rate	= lpc18xx_pll0_recalc_rate,
-	.round_rate	= lpc18xx_pll0_round_rate,
+	.determine_rate = lpc18xx_pll0_determine_rate,
 	.set_rate	= lpc18xx_pll0_set_rate,
 };
 

drivers/clk/nxp/clk-lpc32xx.c

···
 	return regmap_update_bits(clk_regmap, clk->reg, 0x1FFFF, val);
 }
 
-static long clk_hclk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *parent_rate)
+static int clk_hclk_pll_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct lpc32xx_pll_clk *clk = to_lpc32xx_pll_clk(hw);
-	u64 m_i, o = rate, i = *parent_rate, d = (u64)rate << 6;
+	u64 m_i, o = req->rate, i = req->best_parent_rate, d = (u64)req->rate << 6;
 	u64 m = 0, n = 0, p = 0;
 	int p_i, n_i;
 
-	pr_debug("%s: %lu/%lu\n", clk_hw_get_name(hw), *parent_rate, rate);
+	pr_debug("%s: %lu/%lu\n", clk_hw_get_name(hw), req->best_parent_rate, req->rate);
 
-	if (rate > 266500000)
+	if (req->rate > 266500000)
 		return -EINVAL;
 
 	/* Have to check all 20 possibilities to find the minimal M */
···
 		}
 	}
 
-	if (d == (u64)rate << 6) {
+	if (d == (u64)req->rate << 6) {
 		pr_err("%s: %lu: no valid PLL parameters are found\n",
-		       clk_hw_get_name(hw), rate);
+		       clk_hw_get_name(hw), req->rate);
 		return -EINVAL;
 	}
 
···
 
 	if (!d)
 		pr_debug("%s: %lu: found exact match: %llu/%llu/%llu\n",
-			 clk_hw_get_name(hw), rate, m, n, p);
+			 clk_hw_get_name(hw), req->rate, m, n, p);
 	else
 		pr_debug("%s: %lu: found closest: %llu/%llu/%llu - %llu\n",
-			 clk_hw_get_name(hw), rate, m, n, p, o);
+			 clk_hw_get_name(hw), req->rate, m, n, p, o);
 
-	return o;
+	req->rate = o;
+
+	return 0;
 }
 
-static long clk_usb_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				   unsigned long *parent_rate)
+static int clk_usb_pll_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	struct lpc32xx_pll_clk *clk = to_lpc32xx_pll_clk(hw);
 	struct clk_hw *usb_div_hw, *osc_hw;
 	u64 d_i, n_i, m, o;
 
-	pr_debug("%s: %lu/%lu\n", clk_hw_get_name(hw), *parent_rate, rate);
+	pr_debug("%s: %lu/%lu\n", clk_hw_get_name(hw), req->best_parent_rate,
+		 req->rate);
 
 	/*
 	 * The only supported USB clock is 48MHz, with PLL internal constraints
···
 	 * and post-divider must be 4, this slightly simplifies calculation of
 	 * USB divider, USB PLL N and M parameters.
 	 */
-	if (rate != 48000000)
+	if (req->rate != 48000000)
 		return -EINVAL;
 
 	/* USB divider clock */
···
 			clk->m_div = m;
 			clk->p_div = 2;
 			clk->mode = PLL_NON_INTEGER;
-			*parent_rate = div64_u64(o, d_i);
+			req->best_parent_rate = div64_u64(o, d_i);
 
-			return rate;
+			return 0;
 		}
 	}
 
 	return -EINVAL;
 }
 
-#define LPC32XX_DEFINE_PLL_OPS(_name, _rc, _sr, _rr)			\
+#define LPC32XX_DEFINE_PLL_OPS(_name, _rc, _sr, _dr)			\
 	static const struct clk_ops clk_ ##_name ## _ops = {		\
 		.enable = clk_pll_enable,				\
 		.disable = clk_pll_disable,				\
 		.is_enabled = clk_pll_is_enabled,			\
 		.recalc_rate = _rc,					\
 		.set_rate = _sr,					\
-		.round_rate = _rr,					\
+		.determine_rate = _dr,					\
 	}
 
 LPC32XX_DEFINE_PLL_OPS(pll_397x, clk_pll_397x_recalc_rate, NULL, NULL);
 LPC32XX_DEFINE_PLL_OPS(hclk_pll, clk_pll_recalc_rate,
-		       clk_pll_set_rate, clk_hclk_pll_round_rate);
+		       clk_pll_set_rate, clk_hclk_pll_determine_rate);
 LPC32XX_DEFINE_PLL_OPS(usb_pll,  clk_pll_recalc_rate,
-		       clk_pll_set_rate, clk_usb_pll_round_rate);
+		       clk_pll_set_rate, clk_usb_pll_determine_rate);
 
 static int clk_ddram_is_enabled(struct clk_hw *hw)
 {
···
 				   divider->flags, divider->width);
 }
 
-static long clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int clk_divider_determine_rate(struct clk_hw *hw,
+				      struct clk_rate_request *req)
 {
 	struct lpc32xx_clk_div *divider = to_lpc32xx_div(hw);
 	unsigned int bestdiv;
···
 		bestdiv &= div_mask(divider->width);
 		bestdiv = _get_div(divider->table, bestdiv, divider->flags,
 			divider->width);
-		return DIV_ROUND_UP(*prate, bestdiv);
+		req->rate = DIV_ROUND_UP(req->best_parent_rate, bestdiv);
+
+		return 0;
 	}
 
-	return divider_round_rate(hw, rate, prate, divider->table,
-				  divider->width, divider->flags);
+	req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate,
+				       divider->table, divider->width, divider->flags);
+
+	return 0;
 }
 
 static int clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops lpc32xx_clk_divider_ops = {
 	.recalc_rate = clk_divider_recalc_rate,
-	.round_rate = clk_divider_round_rate,
+	.determine_rate = clk_divider_determine_rate,
 	.set_rate = clk_divider_set_rate,
 };
 

drivers/clk/pistachio/clk-pll.c

···
 	return NULL;
 }
 
-static long pll_round_rate(struct clk_hw *hw, unsigned long rate,
-			   unsigned long *parent_rate)
+static int pll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
 {
 	struct pistachio_clk_pll *pll = to_pistachio_pll(hw);
 	unsigned int i;
 
 	for (i = 0; i < pll->nr_rates; i++) {
-		if (i > 0 && pll->rates[i].fref == *parent_rate &&
-		    pll->rates[i].fout <= rate)
-			return pll->rates[i - 1].fout;
+		if (i > 0 && pll->rates[i].fref == req->best_parent_rate &&
+		    pll->rates[i].fout <= req->rate) {
+			req->rate = pll->rates[i - 1].fout;
+
+			return 0;
+		}
 	}
 
-	return pll->rates[0].fout;
+	req->rate = pll->rates[0].fout;
+
+	return 0;
 }
 
 static int pll_gf40lp_frac_enable(struct clk_hw *hw)
···
 	.disable = pll_gf40lp_frac_disable,
 	.is_enabled = pll_gf40lp_frac_is_enabled,
 	.recalc_rate = pll_gf40lp_frac_recalc_rate,
-	.round_rate = pll_round_rate,
+	.determine_rate = pll_determine_rate,
 	.set_rate = pll_gf40lp_frac_set_rate,
 };
 
···
 	.disable = pll_gf40lp_laint_disable,
 	.is_enabled = pll_gf40lp_laint_is_enabled,
 	.recalc_rate = pll_gf40lp_laint_recalc_rate,
-	.round_rate = pll_round_rate,
+	.determine_rate = pll_determine_rate,
 	.set_rate = pll_gf40lp_laint_set_rate,
 };
 

drivers/clk/qcom/clk-regmap-divider.c

···
 	return container_of(to_clk_regmap(hw), struct clk_regmap_div, clkr);
 }
 
-static long div_round_ro_rate(struct clk_hw *hw, unsigned long rate,
-			      unsigned long *prate)
+static int div_ro_determine_rate(struct clk_hw *hw,
+				 struct clk_rate_request *req)
 {
 	struct clk_regmap_div *divider = to_clk_regmap_div(hw);
 	struct clk_regmap *clkr = &divider->clkr;
···
 	val >>= divider->shift;
 	val &= BIT(divider->width) - 1;
 
-	return divider_ro_round_rate(hw, rate, prate, NULL, divider->width,
-				     CLK_DIVIDER_ROUND_CLOSEST, val);
+	req->rate = divider_ro_round_rate(hw, req->rate,
+					  &req->best_parent_rate, NULL,
+					  divider->width,
+					  CLK_DIVIDER_ROUND_CLOSEST, val);
+
+	return 0;
 }
 
-static long div_round_rate(struct clk_hw *hw, unsigned long rate,
-			   unsigned long *prate)
+static int div_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
 {
 	struct clk_regmap_div *divider = to_clk_regmap_div(hw);
 
-	return divider_round_rate(hw, rate, prate, NULL, divider->width,
-				  CLK_DIVIDER_ROUND_CLOSEST);
+	req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate,
+				       NULL,
+				       divider->width,
+				       CLK_DIVIDER_ROUND_CLOSEST);
+
+	return 0;
 }
 
 static int div_set_rate(struct clk_hw *hw, unsigned long rate,
···
 }
 
 const struct clk_ops clk_regmap_div_ops = {
-	.round_rate = div_round_rate,
+	.determine_rate = div_determine_rate,
 	.set_rate = div_set_rate,
 	.recalc_rate = div_recalc_rate,
 };
 EXPORT_SYMBOL_GPL(clk_regmap_div_ops);
 
 const struct clk_ops clk_regmap_div_ro_ops = {
-	.round_rate = div_round_ro_rate,
+	.determine_rate = div_ro_determine_rate,
 	.recalc_rate = div_recalc_rate,
 };
 EXPORT_SYMBOL_GPL(clk_regmap_div_ro_ops);

drivers/clk/rockchip/clk-ddr.c

···
 	return res.a0;
 }
 
-static long rockchip_ddrclk_sip_round_rate(struct clk_hw *hw,
-					   unsigned long rate,
-					   unsigned long *prate)
+static int rockchip_ddrclk_sip_determine_rate(struct clk_hw *hw,
+					      struct clk_rate_request *req)
 {
 	struct arm_smccc_res res;
 
-	arm_smccc_smc(ROCKCHIP_SIP_DRAM_FREQ, rate, 0,
+	arm_smccc_smc(ROCKCHIP_SIP_DRAM_FREQ, req->rate, 0,
 		      ROCKCHIP_SIP_CONFIG_DRAM_ROUND_RATE,
 		      0, 0, 0, 0, &res);
 
-	return res.a0;
+	req->rate = res.a0;
+
+	return 0;
 }
 
 static u8 rockchip_ddrclk_get_parent(struct clk_hw *hw)
···
 static const struct clk_ops rockchip_ddrclk_sip_ops = {
 	.recalc_rate = rockchip_ddrclk_sip_recalc_rate,
 	.set_rate = rockchip_ddrclk_sip_set_rate,
-	.round_rate = rockchip_ddrclk_sip_round_rate,
+	.determine_rate = rockchip_ddrclk_sip_determine_rate,
 	.get_parent = rockchip_ddrclk_get_parent,
 };
 

drivers/clk/rockchip/clk-half-divider.c

···
 	return bestdiv;
 }
 
-static long clk_half_divider_round_rate(struct clk_hw *hw, unsigned long rate,
-					unsigned long *prate)
+static int clk_half_divider_determine_rate(struct clk_hw *hw,
+					   struct clk_rate_request *req)
 {
 	struct clk_divider *divider = to_clk_divider(hw);
 	int div;
 
-	div = clk_half_divider_bestdiv(hw, rate, prate,
+	div = clk_half_divider_bestdiv(hw, req->rate, &req->best_parent_rate,
 				       divider->width,
 				       divider->flags);
 
-	return DIV_ROUND_UP_ULL(((u64)*prate * 2), div * 2 + 3);
+	req->rate = DIV_ROUND_UP_ULL(((u64)req->best_parent_rate * 2), div * 2 + 3);
+
+	return 0;
 }
 
 static int clk_half_divider_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops clk_half_divider_ops = {
 	.recalc_rate = clk_half_divider_recalc_rate,
-	.round_rate = clk_half_divider_round_rate,
+	.determine_rate = clk_half_divider_determine_rate,
 	.set_rate = clk_half_divider_set_rate,
 };
 

drivers/clk/rockchip/clk-pll.c

···
 	return NULL;
 }
 
-static long rockchip_pll_round_rate(struct clk_hw *hw,
-			    unsigned long drate, unsigned long *prate)
+static int rockchip_pll_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct rockchip_clk_pll *pll = to_rockchip_clk_pll(hw);
 	const struct rockchip_pll_rate_table *rate_table = pll->rate_table;
···
 
 	/* Assuming rate_table is in descending order */
 	for (i = 0; i < pll->rate_count; i++) {
-		if (drate >= rate_table[i].rate)
-			return rate_table[i].rate;
+		if (req->rate >= rate_table[i].rate) {
+			req->rate = rate_table[i].rate;
+
+			return 0;
+		}
 	}
 
 	/* return minimum supported value */
-	return rate_table[i - 1].rate;
+	req->rate = rate_table[i - 1].rate;
+
+	return 0;
 }
 
 /*
···
 
 static const struct clk_ops rockchip_rk3036_pll_clk_ops = {
 	.recalc_rate = rockchip_rk3036_pll_recalc_rate,
-	.round_rate = rockchip_pll_round_rate,
+	.determine_rate = rockchip_pll_determine_rate,
 	.set_rate = rockchip_rk3036_pll_set_rate,
 	.enable = rockchip_rk3036_pll_enable,
 	.disable = rockchip_rk3036_pll_disable,
···
 
 static const struct clk_ops rockchip_rk3066_pll_clk_ops = {
 	.recalc_rate = rockchip_rk3066_pll_recalc_rate,
-	.round_rate = rockchip_pll_round_rate,
+	.determine_rate = rockchip_pll_determine_rate,
 	.set_rate = rockchip_rk3066_pll_set_rate,
 	.enable = rockchip_rk3066_pll_enable,
 	.disable = rockchip_rk3066_pll_disable,
···
 
 static const struct clk_ops rockchip_rk3399_pll_clk_ops = {
 	.recalc_rate = rockchip_rk3399_pll_recalc_rate,
-	.round_rate = rockchip_pll_round_rate,
+	.determine_rate = rockchip_pll_determine_rate,
 	.set_rate = rockchip_rk3399_pll_set_rate,
 	.enable = rockchip_rk3399_pll_enable,
 	.disable = rockchip_rk3399_pll_disable,
···
 
 static const struct clk_ops rockchip_rk3588_pll_clk_ops = {
 	.recalc_rate = rockchip_rk3588_pll_recalc_rate,
-	.round_rate = rockchip_pll_round_rate,
+	.determine_rate = rockchip_pll_determine_rate,
 	.set_rate = rockchip_rk3588_pll_set_rate,
 	.enable = rockchip_rk3588_pll_enable,
 	.disable = rockchip_rk3588_pll_disable,

drivers/clk/sifive/fu540-prci.h

···
 
 static const struct clk_ops sifive_fu540_prci_wrpll_clk_ops = {
 	.set_rate = sifive_prci_wrpll_set_rate,
-	.round_rate = sifive_prci_wrpll_round_rate,
+	.determine_rate = sifive_prci_wrpll_determine_rate,
 	.recalc_rate = sifive_prci_wrpll_recalc_rate,
 	.enable = sifive_prci_clock_enable,
 	.disable = sifive_prci_clock_disable,

drivers/clk/sifive/fu740-prci.h

···
 
 static const struct clk_ops sifive_fu740_prci_wrpll_clk_ops = {
 	.set_rate = sifive_prci_wrpll_set_rate,
-	.round_rate = sifive_prci_wrpll_round_rate,
+	.determine_rate = sifive_prci_wrpll_determine_rate,
 	.recalc_rate = sifive_prci_wrpll_recalc_rate,
 	.enable = sifive_prci_clock_enable,
 	.disable = sifive_prci_clock_disable,

drivers/clk/sifive/sifive-prci.c

···
 	return wrpll_calc_output_rate(&pwd->c, parent_rate);
 }
 
-long sifive_prci_wrpll_round_rate(struct clk_hw *hw,
-				  unsigned long rate,
-				  unsigned long *parent_rate)
+int sifive_prci_wrpll_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	struct __prci_clock *pc = clk_hw_to_prci_clock(hw);
 	struct __prci_wrpll_data *pwd = pc->pwd;
···
 
 	memcpy(&c, &pwd->c, sizeof(c));
 
-	wrpll_configure_for_rate(&c, rate, *parent_rate);
+	wrpll_configure_for_rate(&c, req->rate, req->best_parent_rate);
 
-	return wrpll_calc_output_rate(&c, *parent_rate);
+	req->rate = wrpll_calc_output_rate(&c, req->best_parent_rate);
+
+	return 0;
 }
 
 int sifive_prci_wrpll_set_rate(struct clk_hw *hw,

drivers/clk/sifive/sifive-prci.h

···
 void sifive_prci_hfpclkpllsel_use_hfpclkpll(struct __prci_data *pd);
 
 /* Linux clock framework integration */
-long sifive_prci_wrpll_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *parent_rate);
+int sifive_prci_wrpll_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req);
 int sifive_prci_wrpll_set_rate(struct clk_hw *hw, unsigned long rate,
 			       unsigned long parent_rate);
 int sifive_clk_is_enabled(struct clk_hw *hw);

drivers/clk/sophgo/clk-cv18xx-ip.c

···
 	return parent_rate;
 }
 
-static long gate_round_rate(struct clk_hw *hw, unsigned long rate,
-			    unsigned long *parent_rate)
+static int gate_determine_rate(struct clk_hw *hw,
+			       struct clk_rate_request *req)
 {
-	return *parent_rate;
+	req->rate = req->best_parent_rate;
+
+	return 0;
 }
 
 static int gate_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.is_enabled = gate_is_enabled,
 
 	.recalc_rate = gate_recalc_rate,
-	.round_rate = gate_round_rate,
+	.determine_rate = gate_determine_rate,
 	.set_rate = gate_set_rate,
 };
 

drivers/clk/sophgo/clk-sg2042-clkgen.c

···
 	return ret_rate;
 }
 
-static long sg2042_clk_divider_round_rate(struct clk_hw *hw,
-					  unsigned long rate,
-					  unsigned long *prate)
+static int sg2042_clk_divider_determine_rate(struct clk_hw *hw,
+					     struct clk_rate_request *req)
 {
 	struct sg2042_divider_clock *divider = to_sg2042_clk_divider(hw);
 	unsigned long ret_rate;
···
 			bestdiv = readl(divider->reg) >> divider->shift;
 			bestdiv &= clk_div_mask(divider->width);
 		}
-		ret_rate = DIV_ROUND_UP_ULL((u64)*prate, bestdiv);
+		ret_rate = DIV_ROUND_UP_ULL((u64)req->best_parent_rate, bestdiv);
 	} else {
-		ret_rate = divider_round_rate(hw, rate, prate, NULL,
+		ret_rate = divider_round_rate(hw, req->rate, &req->best_parent_rate, NULL,
 					      divider->width, divider->div_flags);
 	}
 
 	pr_debug("--> %s: divider_round_rate: val = %ld\n",
 		 clk_hw_get_name(hw), ret_rate);
-	return ret_rate;
+	req->rate = ret_rate;
+
+	return 0;
 }
 
 static int sg2042_clk_divider_set_rate(struct clk_hw *hw,
···
 
 static const struct clk_ops sg2042_clk_divider_ops = {
 	.recalc_rate = sg2042_clk_divider_recalc_rate,
-	.round_rate = sg2042_clk_divider_round_rate,
+	.determine_rate = sg2042_clk_divider_determine_rate,
 	.set_rate = sg2042_clk_divider_set_rate,
 };
 
 static const struct clk_ops sg2042_clk_divider_ro_ops = {
 	.recalc_rate = sg2042_clk_divider_recalc_rate,
-	.round_rate = sg2042_clk_divider_round_rate,
+	.determine_rate = sg2042_clk_divider_determine_rate,
 };
 
 /*

drivers/clk/sophgo/clk-sg2042-pll.c

···
 	return rate;
 }
 
-static long sg2042_clk_pll_round_rate(struct clk_hw *hw,
-				      unsigned long req_rate,
-				      unsigned long *prate)
+static int sg2042_clk_pll_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	struct sg2042_pll_ctrl pctrl_table;
 	unsigned int value;
 	long proper_rate;
 	int ret;
 
-	ret = sg2042_get_pll_ctl_setting(&pctrl_table, req_rate, *prate);
+	ret = sg2042_get_pll_ctl_setting(&pctrl_table,
+					 min(req->rate, req->max_rate),
+					 req->best_parent_rate);
 	if (ret) {
 		proper_rate = 0;
 		goto out;
 	}
 
 	value = sg2042_pll_ctrl_encode(&pctrl_table);
-	proper_rate = (long)sg2042_pll_recalc_rate(value, *prate);
+	proper_rate = (long)sg2042_pll_recalc_rate(value, req->best_parent_rate);
 
 out:
-	pr_debug("--> %s: pll_round_rate: val = %ld\n",
-		 clk_hw_get_name(hw), proper_rate);
-	return proper_rate;
-}
-
-static int sg2042_clk_pll_determine_rate(struct clk_hw *hw,
-					 struct clk_rate_request *req)
-{
-	req->rate = sg2042_clk_pll_round_rate(hw, min(req->rate, req->max_rate),
-					      &req->best_parent_rate);
 	pr_debug("--> %s: pll_determine_rate: val = %ld\n",
-		 clk_hw_get_name(hw), req->rate);
+		 clk_hw_get_name(hw), proper_rate);
+	req->rate = proper_rate;
+
 	return 0;
 }
 
···
 
 static const struct clk_ops sg2042_clk_pll_ops = {
 	.recalc_rate = sg2042_clk_pll_recalc_rate,
-	.round_rate = sg2042_clk_pll_round_rate,
 	.determine_rate = sg2042_clk_pll_determine_rate,
 	.set_rate = sg2042_clk_pll_set_rate,
 };
 
 static const struct clk_ops sg2042_clk_pll_ro_ops = {
 	.recalc_rate = sg2042_clk_pll_recalc_rate,
-	.round_rate = sg2042_clk_pll_round_rate,
+	.determine_rate = sg2042_clk_pll_determine_rate,
 };
 
 /*

drivers/clk/spear/clk-aux-synth.c

···
 			(rtbl[index].yscale * eq)) * 10000;
 }
 
-static long clk_aux_round_rate(struct clk_hw *hw, unsigned long drate,
-		unsigned long *prate)
+static int clk_aux_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct clk_aux *aux = to_clk_aux(hw);
 	int unused;
 
-	return clk_round_rate_index(hw, drate, *prate, aux_calc_rate,
-			aux->rtbl_cnt, &unused);
+	req->rate = clk_round_rate_index(hw, req->rate, req->best_parent_rate,
+					 aux_calc_rate, aux->rtbl_cnt, &unused);
+
+	return 0;
 }
 
 static unsigned long clk_aux_recalc_rate(struct clk_hw *hw,
···
 
 static const struct clk_ops clk_aux_ops = {
 	.recalc_rate = clk_aux_recalc_rate,
-	.round_rate = clk_aux_round_rate,
+	.determine_rate = clk_aux_determine_rate,
 	.set_rate = clk_aux_set_rate,
 };
 

drivers/clk/spear/clk-frac-synth.c

···
 	return prate;
 }
 
-static long clk_frac_round_rate(struct clk_hw *hw, unsigned long drate,
-		unsigned long *prate)
+static int clk_frac_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	struct clk_frac *frac = to_clk_frac(hw);
 	int unused;
 
-	return clk_round_rate_index(hw, drate, *prate, frac_calc_rate,
-			frac->rtbl_cnt, &unused);
+	req->rate = clk_round_rate_index(hw, req->rate, req->best_parent_rate,
+					 frac_calc_rate, frac->rtbl_cnt, &unused);
+
+	return 0;
 }
 
 static unsigned long clk_frac_recalc_rate(struct clk_hw *hw,
···
 
 static const struct clk_ops clk_frac_ops = {
 	.recalc_rate = clk_frac_recalc_rate,
-	.round_rate = clk_frac_round_rate,
+	.determine_rate = clk_frac_determine_rate,
 	.set_rate = clk_frac_set_rate,
 };
 

drivers/clk/spear/clk-gpt-synth.c

···
 	return prate;
 }
 
-static long clk_gpt_round_rate(struct clk_hw *hw, unsigned long drate,
-		unsigned long *prate)
+static int clk_gpt_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct clk_gpt *gpt = to_clk_gpt(hw);
 	int unused;
 
-	return clk_round_rate_index(hw, drate, *prate, gpt_calc_rate,
-			gpt->rtbl_cnt, &unused);
+	req->rate = clk_round_rate_index(hw, req->rate, req->best_parent_rate,
+					 gpt_calc_rate, gpt->rtbl_cnt, &unused);
+
+	return 0;
 }
 
 static unsigned long clk_gpt_recalc_rate(struct clk_hw *hw,
···
 
 static const struct clk_ops clk_gpt_ops = {
 	.recalc_rate = clk_gpt_recalc_rate,
-	.round_rate = clk_gpt_round_rate,
+	.determine_rate = clk_gpt_determine_rate,
 	.set_rate = clk_gpt_set_rate,
 };
 

drivers/clk/spear/clk-vco-pll.c

···
 	return rate;
 }
 
-static long clk_pll_round_rate(struct clk_hw *hw, unsigned long drate,
-				unsigned long *prate)
+static int clk_pll_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	int unused;
 
-	return clk_pll_round_rate_index(hw, drate, prate, &unused);
+	req->rate = clk_pll_round_rate_index(hw, req->rate,
+					     &req->best_parent_rate, &unused);
+
+	return 0;
 }
 
 static unsigned long clk_pll_recalc_rate(struct clk_hw *hw, unsigned long
···
 
 static const struct clk_ops clk_pll_ops = {
 	.recalc_rate = clk_pll_recalc_rate,
-	.round_rate = clk_pll_round_rate,
+	.determine_rate = clk_pll_determine_rate,
 	.set_rate = clk_pll_set_rate,
 };
 
···
 	return pll_calc_rate(vco->rtbl, prate, index, NULL);
 }
 
-static long clk_vco_round_rate(struct clk_hw *hw, unsigned long drate,
-		unsigned long *prate)
+static int clk_vco_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct clk_vco *vco = to_clk_vco(hw);
 	int unused;
 
-	return clk_round_rate_index(hw, drate, *prate, vco_calc_rate,
-			vco->rtbl_cnt, &unused);
+	req->rate = clk_round_rate_index(hw, req->rate, req->best_parent_rate,
+					 vco_calc_rate, vco->rtbl_cnt, &unused);
+
+	return 0;
 }
 
 static unsigned long clk_vco_recalc_rate(struct clk_hw *hw,
···
 
 static const struct clk_ops clk_vco_ops = {
 	.recalc_rate = clk_vco_recalc_rate,
-	.round_rate = clk_vco_round_rate,
+	.determine_rate = clk_vco_determine_rate,
 	.set_rate = clk_vco_set_rate,
 };
 

drivers/clk/sprd/div.c

···
 
 #include "div.h"
 
-static long sprd_div_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *parent_rate)
+static int sprd_div_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	struct sprd_div *cd = hw_to_sprd_div(hw);
 
-	return divider_round_rate(&cd->common.hw, rate, parent_rate, NULL,
-				  cd->div.width, 0);
+	req->rate = divider_round_rate(&cd->common.hw, req->rate,
+				       &req->best_parent_rate,
+				       NULL, cd->div.width, 0);
+
+	return 0;
 }
 
 unsigned long sprd_div_helper_recalc_rate(struct sprd_clk_common *common,
···
 
 const struct clk_ops sprd_div_ops = {
 	.recalc_rate = sprd_div_recalc_rate,
-	.round_rate = sprd_div_round_rate,
+	.determine_rate = sprd_div_determine_rate,
 	.set_rate = sprd_div_set_rate,
 };
 EXPORT_SYMBOL_GPL(sprd_div_ops);

drivers/clk/sprd/pll.c

···
 	return 0;
 }
 
-static long sprd_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int sprd_pll_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
-	return rate;
+	return 0;
 }
 
 const struct clk_ops sprd_pll_ops = {
 	.prepare = sprd_pll_clk_prepare,
 	.recalc_rate = sprd_pll_recalc_rate,
-	.round_rate = sprd_pll_round_rate,
+	.determine_rate = sprd_pll_determine_rate,
 	.set_rate = sprd_pll_set_rate,
 };
 EXPORT_SYMBOL_GPL(sprd_pll_ops);

drivers/clk/st/clkgen-fsyn.c

···
 	return 0;
 }
 
-static long quadfs_pll_fs660c32_round_rate(struct clk_hw *hw,
-					   unsigned long rate,
-					   unsigned long *prate)
+static int quadfs_pll_fs660c32_determine_rate(struct clk_hw *hw,
+					      struct clk_rate_request *req)
 {
 	struct stm_fs params;
 
-	if (clk_fs660c32_vco_get_params(*prate, rate, &params))
-		return rate;
+	if (clk_fs660c32_vco_get_params(req->best_parent_rate, req->rate, &params))
+		return 0;
 
-	clk_fs660c32_vco_get_rate(*prate, &params, &rate);
+	clk_fs660c32_vco_get_rate(req->best_parent_rate, &params, &req->rate);
 
 	pr_debug("%s: %s new rate %ld [ndiv=%u]\n",
 		 __func__, clk_hw_get_name(hw),
-		 rate, (unsigned int)params.ndiv);
+		 req->rate, (unsigned int)params.ndiv);
 
-	return rate;
+	return 0;
 }
 
 static int quadfs_pll_fs660c32_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.disable	= quadfs_pll_disable,
 	.is_enabled	= quadfs_pll_is_enabled,
 	.recalc_rate	= quadfs_pll_fs660c32_recalc_rate,
-	.round_rate	= quadfs_pll_fs660c32_round_rate,
+	.determine_rate = quadfs_pll_fs660c32_determine_rate,
 	.set_rate	= quadfs_pll_fs660c32_set_rate,
 };
 
···
 	return rate;
 }
 
-static long quadfs_round_rate(struct clk_hw *hw, unsigned long rate,
-				     unsigned long *prate)
+static int quadfs_determine_rate(struct clk_hw *hw,
+				 struct clk_rate_request *req)
 {
 	struct stm_fs params;
 
-	rate = quadfs_find_best_rate(hw, rate, *prate, &params);
+	req->rate = quadfs_find_best_rate(hw, req->rate,
+					  req->best_parent_rate, &params);
 
 	pr_debug("%s: %s new rate %ld [sdiv=0x%x,md=0x%x,pe=0x%x,nsdiv3=%u]\n",
 		 __func__, clk_hw_get_name(hw),
-		 rate, (unsigned int)params.sdiv, (unsigned int)params.mdiv,
-			 (unsigned int)params.pe, (unsigned int)params.nsdiv);
+		 req->rate, (unsigned int)params.sdiv,
+		 (unsigned int)params.mdiv,
+		 (unsigned int)params.pe, (unsigned int)params.nsdiv);
 
-	return rate;
+	return 0;
 }
 
 
···
 	.enable		= quadfs_fsynth_enable,
 	.disable	= quadfs_fsynth_disable,
 	.is_enabled	= quadfs_fsynth_is_enabled,
-	.round_rate	= quadfs_round_rate,
+	.determine_rate = quadfs_determine_rate,
 	.set_rate	= quadfs_set_rate,
 	.recalc_rate	= quadfs_recalc_rate,
 };

drivers/clk/st/clkgen-pll.c

···
 	return rate;
 }
 
-static long round_rate_stm_pll3200c32(struct clk_hw *hw, unsigned long rate,
-		unsigned long *prate)
+static int stm_pll3200c32_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	struct stm_pll params;
 
-	if (!clk_pll3200c32_get_params(*prate, rate, &params))
-		clk_pll3200c32_get_rate(*prate, &params, &rate);
+	if (!clk_pll3200c32_get_params(req->best_parent_rate, req->rate, &params))
+		clk_pll3200c32_get_rate(req->best_parent_rate, &params,
+					&req->rate);
 	else {
 		pr_debug("%s: %s rate %ld Invalid\n", __func__,
-			 __clk_get_name(hw->clk), rate);
+			 __clk_get_name(hw->clk), req->rate);
+		req->rate = 0;
+
 		return 0;
 	}
 
 	pr_debug("%s: %s new rate %ld [ndiv=%u] [idf=%u]\n",
 		 __func__, __clk_get_name(hw->clk),
-		 rate, (unsigned int)params.ndiv,
+		 req->rate, (unsigned int)params.ndiv,
 		 (unsigned int)params.idf);
 
-	return rate;
+	return 0;
 }
 
 static int set_rate_stm_pll3200c32(struct clk_hw *hw, unsigned long rate,
···
 	return rate;
 }
 
-static long round_rate_stm_pll4600c28(struct clk_hw *hw, unsigned long rate,
-				      unsigned long *prate)
+static int stm_pll4600c28_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	struct stm_pll params;
 
-	if (!clk_pll4600c28_get_params(*prate, rate, &params)) {
-		clk_pll4600c28_get_rate(*prate, &params, &rate);
+	if (!clk_pll4600c28_get_params(req->best_parent_rate, req->rate, &params)) {
+		clk_pll4600c28_get_rate(req->best_parent_rate, &params,
+					&req->rate);
 	} else {
 		pr_debug("%s: %s rate %ld Invalid\n", __func__,
-			 __clk_get_name(hw->clk), rate);
+			 __clk_get_name(hw->clk), req->rate);
+		req->rate = 0;
+
 		return 0;
 	}
 
 	pr_debug("%s: %s new rate %ld [ndiv=%u] [idf=%u]\n",
 		 __func__, __clk_get_name(hw->clk),
-		 rate, (unsigned int)params.ndiv,
+		 req->rate, (unsigned int)params.ndiv,
 		 (unsigned int)params.idf);
 
-	return rate;
+	return 0;
 }
 
 static int set_rate_stm_pll4600c28(struct clk_hw *hw, unsigned long rate,
···
 	.disable	= clkgen_pll_disable,
 	.is_enabled	= clkgen_pll_is_enabled,
 	.recalc_rate	= recalc_stm_pll3200c32,
-	.round_rate	= round_rate_stm_pll3200c32,
+	.determine_rate = stm_pll3200c32_determine_rate,
 	.set_rate	= set_rate_stm_pll3200c32,
 };
 
···
 	.disable	= clkgen_pll_disable,
 	.is_enabled	= clkgen_pll_is_enabled,
 	.recalc_rate	= recalc_stm_pll4600c28,
-	.round_rate	= round_rate_stm_pll4600c28,
+	.determine_rate = stm_pll4600c28_determine_rate,
 	.set_rate	= set_rate_stm_pll4600c28,
 };
 

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,
 };
 

drivers/clk/stm32/clk-stm32mp1.c

···
 	return mult;
 }
 
-static long timer_ker_round_rate(struct clk_hw *hw, unsigned long rate,
-				 unsigned long *parent_rate)
+static int timer_ker_determine_rate(struct clk_hw *hw,
+				    struct clk_rate_request *req)
 {
-	unsigned long factor = __bestmult(hw, rate, *parent_rate);
+	unsigned long factor = __bestmult(hw, req->rate,
+					  req->best_parent_rate);
 
-	return *parent_rate * factor;
+	req->rate = req->best_parent_rate * factor;
+
+	return 0;
 }
 
 static int timer_ker_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops timer_ker_ops = {
 	.recalc_rate	= timer_ker_recalc_rate,
-	.round_rate	= timer_ker_round_rate,
+	.determine_rate = timer_ker_determine_rate,
 	.set_rate	= timer_ker_set_rate,
 
 };

drivers/clk/tegra/clk-audio-sync.c

···
 	return sync->rate;
 }
 
-static long clk_sync_source_round_rate(struct clk_hw *hw, unsigned long rate,
-				       unsigned long *prate)
+static int clk_sync_source_determine_rate(struct clk_hw *hw,
+					  struct clk_rate_request *req)
 {
 	struct tegra_clk_sync_source *sync = to_clk_sync_source(hw);
 
-	if (rate > sync->max_rate)
+	if (req->rate > sync->max_rate)
 		return -EINVAL;
 	else
-		return rate;
+		return 0;
 }
 
 static int clk_sync_source_set_rate(struct clk_hw *hw, unsigned long rate,
···
 }
 
 const struct clk_ops tegra_clk_sync_source_ops = {
-	.round_rate = clk_sync_source_round_rate,
+	.determine_rate = clk_sync_source_determine_rate,
 	.set_rate = clk_sync_source_set_rate,
 	.recalc_rate = clk_sync_source_recalc_rate,
 };

drivers/clk/tegra/clk-divider.c

···
 	return rate;
 }
 
-static long clk_frac_div_round_rate(struct clk_hw *hw, unsigned long rate,
-				   unsigned long *prate)
+static int clk_frac_div_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct tegra_clk_frac_div *divider = to_clk_frac_div(hw);
 	int div, mul;
-	unsigned long output_rate = *prate;
+	unsigned long output_rate = req->best_parent_rate;
 
-	if (!rate)
-		return output_rate;
+	if (!req->rate) {
+		req->rate = output_rate;
 
-	div = get_div(divider, rate, output_rate);
-	if (div < 0)
-		return *prate;
+		return 0;
+	}
+
+	div = get_div(divider, req->rate, output_rate);
+	if (div < 0) {
+		req->rate = req->best_parent_rate;
+
+		return 0;
+	}
 
 	mul = get_mul(divider);
 
-	return DIV_ROUND_UP(output_rate * mul, div + mul);
+	req->rate = DIV_ROUND_UP(output_rate * mul, div + mul);
+
+	return 0;
 }
 
 static int clk_frac_div_set_rate(struct clk_hw *hw, unsigned long rate,
···
 const struct clk_ops tegra_clk_frac_div_ops = {
 	.recalc_rate = clk_frac_div_recalc_rate,
 	.set_rate = clk_frac_div_set_rate,
-	.round_rate = clk_frac_div_round_rate,
+	.determine_rate = clk_frac_div_determine_rate,
 	.restore_context = clk_divider_restore_context,
 };
 

drivers/clk/tegra/clk-periph.c

···
 	struct tegra_clk_periph *periph = to_clk_periph(hw);
 	const struct clk_ops *div_ops = periph->div_ops;
 	struct clk_hw *div_hw = &periph->divider.hw;
-	long rate;
 
 	__clk_hw_set_clk(div_hw, hw);
 
-	rate = div_ops->round_rate(div_hw, req->rate, &req->best_parent_rate);
-	if (rate < 0)
-		return rate;
-
-	req->rate = (unsigned long)rate;
-	return 0;
+	return div_ops->determine_rate(div_hw, req);
 }
 
 static int clk_periph_set_rate(struct clk_hw *hw, unsigned long rate,

drivers/clk/tegra/clk-pll.c

···
 	return ret;
 }
 
-static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-			unsigned long *prate)
+static int clk_pll_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	struct tegra_clk_pll *pll = to_clk_pll(hw);
 	struct tegra_clk_pll_freq_table cfg;
···
 	if (pll->params->flags & TEGRA_PLL_FIXED) {
 		/* PLLM/MB are used for memory; we do not change rate */
 		if (pll->params->flags & (TEGRA_PLLM | TEGRA_PLLMB))
-			return clk_hw_get_rate(hw);
-		return pll->params->fixed_rate;
+			req->rate = clk_hw_get_rate(hw);
+		else
+			req->rate = pll->params->fixed_rate;
+
+		return 0;
 	}
 
-	if (_get_table_rate(hw, &cfg, rate, *prate) &&
-	    pll->params->calc_rate(hw, &cfg, rate, *prate))
+	if (_get_table_rate(hw, &cfg, req->rate, req->best_parent_rate) &&
+	    pll->params->calc_rate(hw, &cfg, req->rate, req->best_parent_rate))
 		return -EINVAL;
 
-	return cfg.output_rate;
+	req->rate = cfg.output_rate;
+
+	return 0;
 }
 
 static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
···
 	.enable = clk_pll_enable,
 	.disable = clk_pll_disable,
 	.recalc_rate = clk_pll_recalc_rate,
-	.round_rate = clk_pll_round_rate,
+	.determine_rate = clk_pll_determine_rate,
 	.set_rate = clk_pll_set_rate,
 	.restore_context = tegra_clk_pll_restore_context,
 };
···
 	.enable = clk_pllu_enable,
 	.disable = clk_pll_disable,
 	.recalc_rate = clk_pll_recalc_rate,
-	.round_rate = clk_pll_round_rate,
+	.determine_rate = clk_pll_determine_rate,
 	.set_rate = clk_pll_set_rate,
 };
 
···
 	return ret;
 }
 
-static long clk_pll_ramp_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int clk_pll_ramp_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct tegra_clk_pll *pll = to_clk_pll(hw);
 	struct tegra_clk_pll_freq_table cfg;
 	int ret, p_div;
-	u64 output_rate = *prate;
+	u64 output_rate = req->best_parent_rate;
 
-	ret = _pll_ramp_calc_pll(hw, &cfg, rate, *prate);
+	ret = _pll_ramp_calc_pll(hw, &cfg, req->rate, req->best_parent_rate);
 	if (ret < 0)
 		return ret;
 
···
 	output_rate *= cfg.n;
 	do_div(output_rate, cfg.m * p_div);
 
-	return output_rate;
+	req->rate = output_rate;
+
+	return 0;
 }
 
 static void _pllcx_strobe(struct tegra_clk_pll *pll)
···
 	return rate;
 }
 
-static long clk_pllre_round_rate(struct clk_hw *hw, unsigned long rate,
-				 unsigned long *prate)
+static int clk_pllre_determine_rate(struct clk_hw *hw,
+				    struct clk_rate_request *req)
 {
 	struct tegra_clk_pll *pll = to_clk_pll(hw);
 
-	return _pllre_calc_rate(pll, NULL, rate, *prate);
+	req->rate = _pllre_calc_rate(pll, NULL, req->rate,
+				     req->best_parent_rate);
+
+	return 0;
 }
 
 static int clk_plle_tegra114_enable(struct clk_hw *hw)
···
 	.enable = clk_pll_enable,
 	.disable = clk_pll_disable,
 	.recalc_rate = clk_pll_recalc_rate,
-	.round_rate = clk_pll_ramp_round_rate,
+	.determine_rate = clk_pll_ramp_determine_rate,
 	.set_rate = clk_pllxc_set_rate,
 };
 
···
 	.enable = clk_pllc_enable,
 	.disable = clk_pllc_disable,
 	.recalc_rate = clk_pll_recalc_rate,
-	.round_rate = clk_pll_ramp_round_rate,
+	.determine_rate = clk_pll_ramp_determine_rate,
 	.set_rate = clk_pllc_set_rate,
 };
 
···
 	.enable = clk_pll_enable,
 	.disable = clk_pll_disable,
 	.recalc_rate = clk_pllre_recalc_rate,
-	.round_rate = clk_pllre_round_rate,
+	.determine_rate = clk_pllre_determine_rate,
 	.set_rate = clk_pllre_set_rate,
 };
 
···
 	.enable = clk_pll_enable,
 	.disable = clk_pll_disable,
 	.recalc_rate = clk_pll_recalc_rate,
-	.round_rate = clk_pll_ramp_round_rate,
+	.determine_rate = clk_pll_ramp_determine_rate,
 	.set_rate = clk_pllxc_set_rate,
 	.restore_context = tegra_clk_pll_restore_context,
 };

drivers/clk/tegra/clk-super.c

···
 {
 	struct tegra_clk_super_mux *super = to_clk_super_mux(hw);
 	struct clk_hw *div_hw = &super->frac_div.hw;
-	unsigned long rate;
 
 	__clk_hw_set_clk(div_hw, hw);
 
-	rate = super->div_ops->round_rate(div_hw, req->rate,
-					  &req->best_parent_rate);
-	if (rate < 0)
-		return rate;
-
-	req->rate = rate;
-	return 0;
+	return super->div_ops->determine_rate(div_hw, req);
 }
 
 static unsigned long clk_super_recalc_rate(struct clk_hw *hw,

drivers/clk/tegra/clk-tegra210-emc.c

···
 	return DIV_ROUND_UP(parent_rate * 2, div);
 }
 
-static long tegra210_clk_emc_round_rate(struct clk_hw *hw, unsigned long rate,
-					unsigned long *prate)
+static int tegra210_clk_emc_determine_rate(struct clk_hw *hw,
+					   struct clk_rate_request *req)
 {
 	struct tegra210_clk_emc *emc = to_tegra210_clk_emc(hw);
 	struct tegra210_clk_emc_provider *provider = emc->provider;
 	unsigned int i;
 
-	if (!provider || !provider->configs || provider->num_configs == 0)
-		return clk_hw_get_rate(hw);
+	if (!provider || !provider->configs || provider->num_configs == 0) {
+		req->rate = clk_hw_get_rate(hw);
 
-	for (i = 0; i < provider->num_configs; i++) {
-		if (provider->configs[i].rate >= rate)
-			return provider->configs[i].rate;
+		return 0;
 	}
 
-	return provider->configs[i - 1].rate;
+	for (i = 0; i < provider->num_configs; i++) {
+		if (provider->configs[i].rate >= req->rate) {
+			req->rate = provider->configs[i].rate;
+
+			return 0;
+		}
+	}
+
+	req->rate = provider->configs[i - 1].rate;
+
+	return 0;
 }
 
 static struct clk *tegra210_clk_emc_find_parent(struct tegra210_clk_emc *emc,
···
 static const struct clk_ops tegra210_clk_emc_ops = {
 	.get_parent = tegra210_clk_emc_get_parent,
 	.recalc_rate = tegra210_clk_emc_recalc_rate,
-	.round_rate = tegra210_clk_emc_round_rate,
+	.determine_rate = tegra210_clk_emc_determine_rate,
 	.set_rate = tegra210_clk_emc_set_rate,
 };
 

drivers/clk/ti/clk-dra7-atl.c

···
 	return parent_rate / cdesc->divider;
 }
 
-static long atl_clk_round_rate(struct clk_hw *hw, unsigned long rate,
-			       unsigned long *parent_rate)
+static int atl_clk_determine_rate(struct clk_hw *hw,
+				  struct clk_rate_request *req)
 {
 	unsigned divider;
 
-	divider = (*parent_rate + rate / 2) / rate;
+	divider = (req->best_parent_rate + req->rate / 2) / req->rate;
 	if (divider > DRA7_ATL_DIVIDER_MASK + 1)
 		divider = DRA7_ATL_DIVIDER_MASK + 1;
 
-	return *parent_rate / divider;
+	req->rate = req->best_parent_rate / divider;
+
+	return 0;
 }
 
 static int atl_clk_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.disable	= atl_clk_disable,
 	.is_enabled	= atl_clk_is_enabled,
 	.recalc_rate	= atl_clk_recalc_rate,
-	.round_rate	= atl_clk_round_rate,
+	.determine_rate = atl_clk_determine_rate,
 	.set_rate	= atl_clk_set_rate,
 };
 

drivers/clk/ti/clkt_dpll.c

···
 /* DPLL rate rounding code */
 
 /**
- * omap2_dpll_round_rate - round a target rate for an OMAP DPLL
+ * omap2_dpll_determine_rate - round a target rate for an OMAP DPLL
  * @hw: struct clk_hw containing the struct clk * for a DPLL
- * @target_rate: desired DPLL clock rate
- * @parent_rate: parent's DPLL clock rate
+ * @req: rate request
  *
  * Given a DPLL and a desired target rate, round the target rate to a
  * possible, programmable rate for this DPLL.  Attempts to select the
  * minimum possible n.  Stores the computed (m, n) in the DPLL's
  * dpll_data structure so set_rate() will not need to call this
- * (expensive) function again.  Returns ~0 if the target rate cannot
- * be rounded, or the rounded rate upon success.
+ * (expensive) function again.  Returns -EINVAL if the target rate
+ * cannot be rounded, or the rounded rate upon success.
  */
-long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate,
-			   unsigned long *parent_rate)
+int omap2_dpll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req)
 {
 	struct clk_hw_omap *clk = to_clk_hw_omap(hw);
 	int m, n, r, scaled_max_m;
···
 	const char *clk_name;
 
 	if (!clk || !clk->dpll_data)
-		return ~0;
+		return -EINVAL;
 
 	dd = clk->dpll_data;
 
-	if (dd->max_rate && target_rate > dd->max_rate)
-		target_rate = dd->max_rate;
+	if (dd->max_rate && req->rate > dd->max_rate)
+		req->rate = dd->max_rate;
 
 	ref_rate = clk_hw_get_rate(dd->clk_ref);
 	clk_name = clk_hw_get_name(hw);
 	pr_debug("clock: %s: starting DPLL round_rate, target rate %lu\n",
-		 clk_name, target_rate);
+		 clk_name, req->rate);
 
-	scaled_rt_rp = target_rate / (ref_rate / DPLL_SCALE_FACTOR);
+	scaled_rt_rp = req->rate / (ref_rate / DPLL_SCALE_FACTOR);
 	scaled_max_m = dd->max_multiplier * DPLL_SCALE_FACTOR;
 
 	dd->last_rounded_rate = 0;
···
 		if (m > scaled_max_m)
 			break;
 
-		r = _dpll_test_mult(&m, n, &new_rate, target_rate,
+		r = _dpll_test_mult(&m, n, &new_rate, req->rate,
 				    ref_rate);
 
 		/* m can't be set low enough for this n - try with a larger n */
···
 			continue;
 
 		/* skip rates above our target rate */
-		delta = target_rate - new_rate;
+		delta = req->rate - new_rate;
 		if (delta < 0)
 			continue;
 
···
 
 	if (prev_min_delta == LONG_MAX) {
 		pr_debug("clock: %s: cannot round to rate %lu\n",
-			 clk_name, target_rate);
-		return ~0;
+			 clk_name, req->rate);
+		return -EINVAL;
 	}
 
 	dd->last_rounded_m = min_delta_m;
 	dd->last_rounded_n = min_delta_n;
-	dd->last_rounded_rate = target_rate - prev_min_delta;
+	dd->last_rounded_rate = req->rate - prev_min_delta;
 
-	return dd->last_rounded_rate;
+	req->rate = dd->last_rounded_rate;
+
+	return 0;
 }

drivers/clk/ti/clock.h

···
 					   u8 index);
 int omap3_noncore_dpll_determine_rate(struct clk_hw *hw,
 				      struct clk_rate_request *req);
-long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate,
-			   unsigned long *parent_rate);
+int omap2_dpll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req);
 unsigned long omap3_clkoutx2_recalc(struct clk_hw *hw,
 				    unsigned long parent_rate);
 
···
 
 unsigned long omap4_dpll_regm4xen_recalc(struct clk_hw *hw,
 					 unsigned long parent_rate);
-long omap4_dpll_regm4xen_round_rate(struct clk_hw *hw,
-				    unsigned long target_rate,
-				    unsigned long *parent_rate);
 int omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw,
 				       struct clk_rate_request *req);
 int omap2_clk_for_each(int (*fn)(struct clk_hw_omap *hw));

drivers/clk/ti/composite.c

···
 	return ti_clk_divider_ops.recalc_rate(hw, parent_rate);
 }
 
-static long ti_composite_round_rate(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *prate)
+static int ti_composite_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	return -EINVAL;
 }
···
 
 static const struct clk_ops ti_composite_divider_ops = {
 	.recalc_rate	= &ti_composite_recalc_rate,
-	.round_rate	= &ti_composite_round_rate,
+	.determine_rate	= &ti_composite_determine_rate,
 	.set_rate	= &ti_composite_set_rate,
 };
 

drivers/clk/ti/divider.c

···
 	return bestdiv;
 }
 
-static long ti_clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
-				      unsigned long *prate)
+static int ti_clk_divider_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	int div;
-	div = ti_clk_divider_bestdiv(hw, rate, prate);
+	div = ti_clk_divider_bestdiv(hw, req->rate, &req->best_parent_rate);
 
-	return DIV_ROUND_UP(*prate, div);
+	req->rate = DIV_ROUND_UP(req->best_parent_rate, div);
+
+	return 0;
 }
 
 static int ti_clk_divider_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 const struct clk_ops ti_clk_divider_ops = {
 	.recalc_rate = ti_clk_divider_recalc_rate,
-	.round_rate = ti_clk_divider_round_rate,
+	.determine_rate = ti_clk_divider_determine_rate,
 	.set_rate = ti_clk_divider_set_rate,
 	.save_context = clk_divider_save_context,
 	.restore_context = clk_divider_restore_context,

drivers/clk/ti/dpll.c

···
 	.enable		= &omap3_noncore_dpll_enable,
 	.disable	= &omap3_noncore_dpll_disable,
 	.recalc_rate	= &omap4_dpll_regm4xen_recalc,
-	.round_rate	= &omap4_dpll_regm4xen_round_rate,
 	.set_rate	= &omap3_noncore_dpll_set_rate,
 	.set_parent	= &omap3_noncore_dpll_set_parent,
 	.set_rate_and_parent	= &omap3_noncore_dpll_set_rate_and_parent,
···
 	.enable		= &omap3_noncore_dpll_enable,
 	.disable	= &omap3_noncore_dpll_disable,
 	.recalc_rate	= &omap3_dpll_recalc,
-	.round_rate	= &omap2_dpll_round_rate,
 	.set_rate	= &omap3_noncore_dpll_set_rate,
 	.set_parent	= &omap3_noncore_dpll_set_parent,
 	.set_rate_and_parent	= &omap3_noncore_dpll_set_rate_and_parent,
···
 static const struct clk_ops dpll_no_gate_ck_ops = {
 	.recalc_rate	= &omap3_dpll_recalc,
 	.get_parent	= &omap2_init_dpll_parent,
-	.round_rate	= &omap2_dpll_round_rate,
 	.set_rate	= &omap3_noncore_dpll_set_rate,
 	.set_parent	= &omap3_noncore_dpll_set_parent,
 	.set_rate_and_parent	= &omap3_noncore_dpll_set_rate_and_parent,
···
 static const struct clk_ops omap2_dpll_core_ck_ops = {
 	.get_parent	= &omap2_init_dpll_parent,
 	.recalc_rate	= &omap2_dpllcore_recalc,
-	.round_rate	= &omap2_dpll_round_rate,
+	.determine_rate	= &omap2_dpll_determine_rate,
 	.set_rate	= &omap2_reprogram_dpllcore,
 };
 #else
···
 static const struct clk_ops omap3_dpll_core_ck_ops = {
 	.get_parent	= &omap2_init_dpll_parent,
 	.recalc_rate	= &omap3_dpll_recalc,
-	.round_rate	= &omap2_dpll_round_rate,
+	.determine_rate	= &omap2_dpll_determine_rate,
 };
 
 static const struct clk_ops omap3_dpll_ck_ops = {
···
 	.set_parent	= &omap3_noncore_dpll_set_parent,
 	.set_rate_and_parent	= &omap3_noncore_dpll_set_rate_and_parent,
 	.determine_rate	= &omap3_noncore_dpll_determine_rate,
-	.round_rate	= &omap2_dpll_round_rate,
 };
 
 static const struct clk_ops omap3_dpll5_ck_ops = {
···
 	.set_parent	= &omap3_noncore_dpll_set_parent,
 	.set_rate_and_parent	= &omap3_noncore_dpll_set_rate_and_parent,
 	.determine_rate	= &omap3_noncore_dpll_determine_rate,
-	.round_rate	= &omap2_dpll_round_rate,
 };
 
 static const struct clk_ops omap3_dpll_per_ck_ops = {
···
 	.set_parent	= &omap3_noncore_dpll_set_parent,
 	.set_rate_and_parent	= &omap3_dpll4_set_rate_and_parent,
 	.determine_rate	= &omap3_noncore_dpll_determine_rate,
-	.round_rate	= &omap2_dpll_round_rate,
 };
 #endif
 

drivers/clk/ti/dpll3xxx.c

···
 {
 	struct clk_hw_omap *clk = to_clk_hw_omap(hw);
 	struct dpll_data *dd;
+	int ret;
 
 	if (!req->rate)
 		return -EINVAL;
···
 	    (dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) {
 		req->best_parent_hw = dd->clk_bypass;
 	} else {
-		req->rate = omap2_dpll_round_rate(hw, req->rate,
-					  &req->best_parent_rate);
+		ret = omap2_dpll_determine_rate(hw, req);
+		if (ret != 0)
+			return ret;
+
 		req->best_parent_hw = dd->clk_ref;
 	}
 

drivers/clk/ti/dpll44xx.c

···
 }
 
 /**
- * omap4_dpll_regm4xen_round_rate - round DPLL rate, considering REGM4XEN bit
- * @hw: struct hw_clk containing the struct clk * of the DPLL to round a rate for
- * @target_rate: the desired rate of the DPLL
- * @parent_rate: clock rate of the DPLL parent
- *
- * Compute the rate that would be programmed into the DPLL hardware
- * for @clk if set_rate() were to be provided with the rate
- * @target_rate.  Takes the REGM4XEN bit into consideration, which is
- * needed for the OMAP4 ABE DPLL.  Returns the rounded rate (before
- * M-dividers) upon success, -EINVAL if @clk is null or not a DPLL, or
- * ~0 if an error occurred in omap2_dpll_round_rate().
- */
-long omap4_dpll_regm4xen_round_rate(struct clk_hw *hw,
-				    unsigned long target_rate,
-				    unsigned long *parent_rate)
-{
-	struct clk_hw_omap *clk = to_clk_hw_omap(hw);
-	struct dpll_data *dd;
-	long r;
-
-	if (!clk || !clk->dpll_data)
-		return -EINVAL;
-
-	dd = clk->dpll_data;
-
-	dd->last_rounded_m4xen = 0;
-
-	/*
-	 * First try to compute the DPLL configuration for
-	 * target rate without using the 4X multiplier.
-	 */
-	r = omap2_dpll_round_rate(hw, target_rate, NULL);
-	if (r != ~0)
-		goto out;
-
-	/*
-	 * If we did not find a valid DPLL configuration, try again, but
-	 * this time see if using the 4X multiplier can help. Enabling the
-	 * 4X multiplier is equivalent to dividing the target rate by 4.
-	 */
-	r = omap2_dpll_round_rate(hw, target_rate / OMAP4430_REGM4XEN_MULT,
-				  NULL);
-	if (r == ~0)
-		return r;
-
-	dd->last_rounded_rate *= OMAP4430_REGM4XEN_MULT;
-	dd->last_rounded_m4xen = 1;
-
-out:
-	omap4_dpll_lpmode_recalc(dd);
-
-	return dd->last_rounded_rate;
-}
-
-/**
  * omap4_dpll_regm4xen_determine_rate - determine rate for a DPLL
  * @hw: pointer to the clock to determine rate for
  * @req: target rate request
  *
  * Determines which DPLL mode to use for reaching a desired rate.
  * Checks whether the DPLL shall be in bypass or locked mode, and if
- * locked, calculates the M,N values for the DPLL via round-rate.
+ * locked, calculates the M,N values for the DPLL.
  * Returns 0 on success and a negative error value otherwise.
  */
 int omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw,
···
 	    (dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) {
 		req->best_parent_hw = dd->clk_bypass;
 	} else {
-		req->rate = omap4_dpll_regm4xen_round_rate(hw, req->rate,
-						&req->best_parent_rate);
+		struct clk_rate_request tmp_req;
+		long r;
+
+		clk_hw_init_rate_request(hw, &tmp_req, req->rate);
+		dd->last_rounded_m4xen = 0;
+
+		/*
+		 * First try to compute the DPLL configuration for
+		 * target rate without using the 4X multiplier.
+		 */
+
+		r = omap2_dpll_determine_rate(hw, &tmp_req);
+		if (r < 0) {
+			/*
+			 * If we did not find a valid DPLL configuration, try again, but
+			 * this time see if using the 4X multiplier can help. Enabling the
+			 * 4X multiplier is equivalent to dividing the target rate by 4.
+			 */
+			tmp_req.rate /= OMAP4430_REGM4XEN_MULT;
+			r = omap2_dpll_determine_rate(hw, &tmp_req);
+			if (r < 0)
+				return r;
+
+			dd->last_rounded_rate *= OMAP4430_REGM4XEN_MULT;
+			dd->last_rounded_m4xen = 1;
+		}
+
+		omap4_dpll_lpmode_recalc(dd);
+
+		req->rate = dd->last_rounded_rate;
 		req->best_parent_hw = dd->clk_ref;
 	}
 

drivers/clk/ti/fapll.c

···
 	return 0;
 }
 
-static long ti_fapll_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *parent_rate)
+static int ti_fapll_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	u32 pre_div_p, mult_n;
 	int error;
 
-	if (!rate)
+	if (!req->rate)
 		return -EINVAL;
 
-	error = ti_fapll_set_div_mult(rate, *parent_rate,
+	error = ti_fapll_set_div_mult(req->rate, req->best_parent_rate,
 				      &pre_div_p, &mult_n);
-	if (error)
-		return error;
+	if (error) {
+		req->rate = error;
 
-	rate = *parent_rate / pre_div_p;
-	rate *= mult_n;
+		return 0;
+	}
 
-	return rate;
+	req->rate = req->best_parent_rate / pre_div_p;
+	req->rate *= mult_n;
+
+	return 0;
 }
 
 static int ti_fapll_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.is_enabled = ti_fapll_is_enabled,
 	.recalc_rate = ti_fapll_recalc_rate,
 	.get_parent = ti_fapll_get_parent,
-	.round_rate = ti_fapll_round_rate,
+	.determine_rate = ti_fapll_determine_rate,
 	.set_rate = ti_fapll_set_rate,
 };
 
···
 	return post_div_m;
 }
 
-static long ti_fapll_synth_round_rate(struct clk_hw *hw, unsigned long rate,
-				      unsigned long *parent_rate)
+static int ti_fapll_synth_determine_rate(struct clk_hw *hw,
+					 struct clk_rate_request *req)
 {
 	struct fapll_synth *synth = to_synth(hw);
 	struct fapll_data *fd = synth->fd;
 	unsigned long r;
 
-	if (ti_fapll_clock_is_bypass(fd) || !synth->div || !rate)
+	if (ti_fapll_clock_is_bypass(fd) || !synth->div || !req->rate)
 		return -EINVAL;
 
 	/* Only post divider m available with no fractional divider? */
···
 		unsigned long frac_rate;
 		u32 synth_post_div_m;
 
-		frac_rate = ti_fapll_synth_get_frac_rate(hw, *parent_rate);
-		synth_post_div_m = DIV_ROUND_UP(frac_rate, rate);
+		frac_rate = ti_fapll_synth_get_frac_rate(hw,
+							 req->best_parent_rate);
+		synth_post_div_m = DIV_ROUND_UP(frac_rate, req->rate);
 		r = DIV_ROUND_UP(frac_rate, synth_post_div_m);
 		goto out;
 	}
 
-	r = *parent_rate * SYNTH_PHASE_K;
-	if (rate > r)
+	r = req->best_parent_rate * SYNTH_PHASE_K;
+	if (req->rate > r)
 		goto out;
 
 	r = DIV_ROUND_UP_ULL(r, SYNTH_MAX_INT_DIV * SYNTH_MAX_DIV_M);
-	if (rate < r)
+	if (req->rate < r)
 		goto out;
 
-	r = rate;
+	r = req->rate;
 out:
-	return r;
+	req->rate = r;
+
+	return 0;
 }
 
 static int ti_fapll_synth_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.disable = ti_fapll_synth_disable,
 	.is_enabled = ti_fapll_synth_is_enabled,
 	.recalc_rate = ti_fapll_synth_recalc_rate,
-	.round_rate = ti_fapll_synth_round_rate,
+	.determine_rate = ti_fapll_synth_determine_rate,
 	.set_rate = ti_fapll_synth_set_rate,
 };
 

drivers/clk/ux500/clk-prcmu.c

···
 	return prcmu_clock_rate(clk->cg_sel);
 }
 
-static long clk_prcmu_round_rate(struct clk_hw *hw, unsigned long rate,
-				 unsigned long *parent_rate)
+static int clk_prcmu_determine_rate(struct clk_hw *hw,
+				    struct clk_rate_request *req)
 {
 	struct clk_prcmu *clk = to_clk_prcmu(hw);
-	return prcmu_round_clock_rate(clk->cg_sel, rate);
+	req->rate = prcmu_round_clock_rate(clk->cg_sel, req->rate);
+
+	return 0;
 }
 
 static int clk_prcmu_set_rate(struct clk_hw *hw, unsigned long rate,
···
 	.prepare = clk_prcmu_prepare,
 	.unprepare = clk_prcmu_unprepare,
 	.recalc_rate = clk_prcmu_recalc_rate,
-	.round_rate = clk_prcmu_round_rate,
+	.determine_rate = clk_prcmu_determine_rate,
 	.set_rate = clk_prcmu_set_rate,
 };
 
···
 
 static const struct clk_ops clk_prcmu_scalable_rate_ops = {
 	.recalc_rate = clk_prcmu_recalc_rate,
-	.round_rate = clk_prcmu_round_rate,
+	.determine_rate = clk_prcmu_determine_rate,
 	.set_rate = clk_prcmu_set_rate,
 };
 
···
 	.prepare = clk_prcmu_opp_volt_prepare,
 	.unprepare = clk_prcmu_opp_volt_unprepare,
 	.recalc_rate = clk_prcmu_recalc_rate,
-	.round_rate = clk_prcmu_round_rate,
+	.determine_rate = clk_prcmu_determine_rate,
 	.set_rate = clk_prcmu_set_rate,
 };
 

drivers/clk/versatile/clk-icst.c

···
 	return icst->rate;
 }
 
-static long icst_round_rate(struct clk_hw *hw, unsigned long rate,
-			    unsigned long *prate)
+static int icst_determine_rate(struct clk_hw *hw,
+			       struct clk_rate_request *req)
 {
 	struct clk_icst *icst = to_icst(hw);
 	struct icst_vco vco;
 
 	if (icst->ctype == ICST_INTEGRATOR_AP_CM ||
 	    icst->ctype == ICST_INTEGRATOR_CP_CM_CORE) {
-		if (rate <= 12000000)
-			return 12000000;
-		if (rate >= 160000000)
-			return 160000000;
-		/* Slam to closest megahertz */
-		return DIV_ROUND_CLOSEST(rate, 1000000) * 1000000;
+		if (req->rate <= 12000000)
+			req->rate = 12000000;
+		else if (req->rate >= 160000000)
+			req->rate = 160000000;
+		else {
+			/* Slam to closest megahertz */
+			req->rate = DIV_ROUND_CLOSEST(req->rate, 1000000) * 1000000;
+		}
+
+		return 0;
 	}
 
 	if (icst->ctype == ICST_INTEGRATOR_CP_CM_MEM) {
-		if (rate <= 6000000)
-			return 6000000;
-		if (rate >= 66000000)
-			return 66000000;
-		/* Slam to closest 0.5 megahertz */
-		return DIV_ROUND_CLOSEST(rate, 500000) * 500000;
+		if (req->rate <= 6000000)
+			req->rate = 6000000;
+		else if (req->rate >= 66000000)
+			req->rate = 66000000;
+		else {
+			/* Slam to closest 0.5 megahertz */
+			req->rate = DIV_ROUND_CLOSEST(req->rate, 500000) * 500000;
+		}
+
+		return 0;
 	}
 
 	if (icst->ctype == ICST_INTEGRATOR_AP_SYS) {
 		/* Divides between 3 and 50 MHz in steps of 0.25 MHz */
-		if (rate <= 3000000)
-			return 3000000;
-		if (rate >= 50000000)
-			return 5000000;
-		/* Slam to closest 0.25 MHz */
-		return DIV_ROUND_CLOSEST(rate, 250000) * 250000;
+		if (req->rate <= 3000000)
+			req->rate = 3000000;
+		else if (req->rate >= 50000000)
+			req->rate = 5000000;
+		else {
+			/* Slam to closest 0.25 MHz */
+			req->rate = DIV_ROUND_CLOSEST(req->rate, 250000) * 250000;
+		}
+
+		return 0;
 	}
 
 	if (icst->ctype == ICST_INTEGRATOR_AP_PCI) {
···
 		 * If we're below or less than halfway from 25 to 33 MHz
 		 * select 25 MHz
 		 */
-		if (rate <= 25000000 || rate < 29000000)
-			return 25000000;
-		/* Else just return the default frequency */
-		return 33000000;
+		if (req->rate <= 25000000 || req->rate < 29000000)
+			req->rate = 25000000;
+		else {
+			/* Else just return the default frequency */
+			req->rate = 33000000;
+		}
+
+		return 0;
 	}
 
-	vco = icst_hz_to_vco(icst->params, rate);
-	return icst_hz(icst->params, vco);
+	vco = icst_hz_to_vco(icst->params, req->rate);
+	req->rate = icst_hz(icst->params, vco);
+
+	return 0;
 }
 
 static int icst_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops icst_ops = {
 	.recalc_rate = icst_recalc_rate,
-	.round_rate = icst_round_rate,
+	.determine_rate = icst_determine_rate,
 	.set_rate = icst_set_rate,
 };
 

drivers/clk/versatile/clk-vexpress-osc.c

···
 	return rate;
 }
 
-static long vexpress_osc_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *parent_rate)
+static int vexpress_osc_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct vexpress_osc *osc = to_vexpress_osc(hw);
 
-	if (osc->rate_min && rate < osc->rate_min)
-		rate = osc->rate_min;
+	if (osc->rate_min && req->rate < osc->rate_min)
+		req->rate = osc->rate_min;
 
-	if (osc->rate_max && rate > osc->rate_max)
-		rate = osc->rate_max;
+	if (osc->rate_max && req->rate > osc->rate_max)
+		req->rate = osc->rate_max;
 
-	return rate;
+	return 0;
 }
 
 static int vexpress_osc_set_rate(struct clk_hw *hw, unsigned long rate,
···
 
 static const struct clk_ops vexpress_osc_ops = {
 	.recalc_rate = vexpress_osc_recalc_rate,
-	.round_rate = vexpress_osc_round_rate,
+	.determine_rate = vexpress_osc_determine_rate,
 	.set_rate = vexpress_osc_set_rate,
 };
 

drivers/clk/visconti/pll.c

···
 	return rate_table[0].rate;
 }
 
-static long visconti_pll_round_rate(struct clk_hw *hw,
-				    unsigned long rate, unsigned long *prate)
+static int visconti_pll_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct visconti_pll *pll = to_visconti_pll(hw);
 	const struct visconti_pll_rate_table *rate_table = pll->rate_table;
···
 
 	/* Assuming rate_table is in descending order */
 	for (i = 0; i < pll->rate_count; i++)
-		if (rate >= rate_table[i].rate)
-			return rate_table[i].rate;
+		if (req->rate >= rate_table[i].rate) {
+			req->rate = rate_table[i].rate;
+
+			return 0;
+		}
 
 	/* return minimum supported value */
-	return rate_table[i - 1].rate;
+	req->rate = rate_table[i - 1].rate;
+
+	return 0;
 }
 
 static unsigned long visconti_pll_recalc_rate(struct clk_hw *hw,
···
 	.enable = visconti_pll_enable,
 	.disable = visconti_pll_disable,
 	.is_enabled = visconti_pll_is_enabled,
-	.round_rate = visconti_pll_round_rate,
+	.determine_rate = visconti_pll_determine_rate,
 	.recalc_rate = visconti_pll_recalc_rate,
 	.set_rate = visconti_pll_set_rate,
 };

drivers/clk/x86/clk-cgu.c

···
 				   divider->flags, divider->width);
 }
 
-static long
-lgm_clk_divider_round_rate(struct clk_hw *hw, unsigned long rate,
-			   unsigned long *prate)
+static int lgm_clk_divider_determine_rate(struct clk_hw *hw,
+					  struct clk_rate_request *req)
 {
 	struct lgm_clk_divider *divider = to_lgm_clk_divider(hw);
 
-	return divider_round_rate(hw, rate, prate, divider->table,
-				  divider->width, divider->flags);
+	req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate, divider->table,
+				       divider->width, divider->flags);
+
+	return 0;
 }
 
 static int
···
 
 static const struct clk_ops lgm_clk_divider_ops = {
 	.recalc_rate = lgm_clk_divider_recalc_rate,
-	.round_rate = lgm_clk_divider_round_rate,
+	.determine_rate = lgm_clk_divider_determine_rate,
 	.set_rate = lgm_clk_divider_set_rate,
 	.enable = lgm_clk_divider_enable,
 	.disable = lgm_clk_divider_disable,
···
 	return 0;
 }
 
-static long
-lgm_clk_ddiv_round_rate(struct clk_hw *hw, unsigned long rate,
-			unsigned long *prate)
+static int lgm_clk_ddiv_determine_rate(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct lgm_clk_ddiv *ddiv = to_lgm_clk_ddiv(hw);
 	u32 div, ddiv1, ddiv2;
 	u64 rate64;
 
-	div = DIV_ROUND_CLOSEST_ULL((u64)*prate, rate);
+	div = DIV_ROUND_CLOSEST_ULL((u64)req->best_parent_rate, req->rate);
 
 	/* if predivide bit is enabled, modify div by factor of 2.5 */
 	if (lgm_get_clk_val(ddiv->membase, ddiv->reg, ddiv->shift2, 1)) {
···
 		div = DIV_ROUND_CLOSEST_ULL((u64)div, 5);
 	}
 
-	if (div <= 0)
-		return *prate;
+	if (div <= 0) {
+		req->rate = req->best_parent_rate;
+
+		return 0;
+	}
 
 	if (lgm_clk_get_ddiv_val(div, &ddiv1, &ddiv2) != 0)
 		if (lgm_clk_get_ddiv_val(div + 1, &ddiv1, &ddiv2) != 0)
 			return -EINVAL;
 
-	rate64 = *prate;
+	rate64 = req->best_parent_rate;
 	do_div(rate64, ddiv1);
 	do_div(rate64, ddiv2);
 
···
 		rate64 = DIV_ROUND_CLOSEST_ULL(rate64, 5);
 	}
 
-	return rate64;
+	req->rate = rate64;
+
+	return 0;
 }
 
 static const struct clk_ops lgm_clk_ddiv_ops = {
···
 	.enable	= lgm_clk_ddiv_enable,
 	.disable = lgm_clk_ddiv_disable,
 	.set_rate = lgm_clk_ddiv_set_rate,
-	.round_rate = lgm_clk_ddiv_round_rate,
+	.determine_rate = lgm_clk_ddiv_determine_rate,
 };
 
 int lgm_clk_register_ddiv(struct lgm_clk_provider *ctx,

drivers/clk/xilinx/clk-xlnx-clock-wizard.c

···
 	return err;
 }
 
-static long clk_wzrd_round_rate(struct clk_hw *hw, unsigned long rate,
-				unsigned long *prate)
+static int clk_wzrd_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	u8 div;
 
···
 	 * since we don't change parent rate we just round rate to closest
 	 * achievable
 	 */
-	div = DIV_ROUND_CLOSEST(*prate, rate);
+	div = DIV_ROUND_CLOSEST(req->best_parent_rate, req->rate);
 
-	return *prate / div;
+	req->rate = req->best_parent_rate / div;
+
+	return 0;
 }
 
 static int clk_wzrd_get_divisors_ver(struct clk_hw *hw, unsigned long rate,
···
 			divider->flags, divider->width);
 }
 
-static long clk_wzrd_round_rate_all(struct clk_hw *hw, unsigned long rate,
-				    unsigned long *prate)
+static int clk_wzrd_determine_rate_all(struct clk_hw *hw,
+				       struct clk_rate_request *req)
 {
 	struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw);
 	u32 m, d, o;
 	int err;
 
-	err = clk_wzrd_get_divisors(hw, rate, *prate);
+	err = clk_wzrd_get_divisors(hw, req->rate, req->best_parent_rate);
 	if (err)
 		return err;
 
···
 	d = divider->d;
 	o = divider->o;
 
-	rate = div_u64(*prate * (m * 1000 + divider->m_frac), d * (o * 1000 + divider->o_frac));
-	return rate;
+	req->rate = div_u64(req->best_parent_rate * (m * 1000 + divider->m_frac),
+			    d * (o * 1000 + divider->o_frac));
+	return 0;
 }
 
-static long clk_wzrd_ver_round_rate_all(struct clk_hw *hw, unsigned long rate,
-					unsigned long *prate)
+static int clk_wzrd_ver_determine_rate_all(struct clk_hw *hw,
+					   struct clk_rate_request *req)
 {
 	struct clk_wzrd_divider *divider = to_clk_wzrd_divider(hw);
 	unsigned long int_freq;
 	u32 m, d, o, div, f;
 	int err;
 
-	err = clk_wzrd_get_divisors_ver(hw, rate, *prate);
+	err = clk_wzrd_get_divisors_ver(hw, req->rate, req->best_parent_rate);
 	if (err)
 		return err;
 
···
 	o = divider->o;
 
 	div = d * o;
-	int_freq =  divider_recalc_rate(hw, *prate * m, div, divider->table,
+	int_freq =  divider_recalc_rate(hw, req->best_parent_rate * m, div,
+					divider->table,
 					divider->flags, divider->width);
 
-	if (rate > int_freq) {
-		f = DIV_ROUND_CLOSEST_ULL(rate * WZRD_FRAC_POINTS, int_freq);
-		rate = DIV_ROUND_CLOSEST(int_freq * f, WZRD_FRAC_POINTS);
+	if (req->rate > int_freq) {
+		f = DIV_ROUND_CLOSEST_ULL(req->rate * WZRD_FRAC_POINTS,
+					  int_freq);
+		req->rate = DIV_ROUND_CLOSEST(int_freq * f, WZRD_FRAC_POINTS);
 	}
-	return rate;
+	return 0;
 }
 
 static const struct clk_ops clk_wzrd_ver_divider_ops = {
-	.round_rate = clk_wzrd_round_rate,
+	.determine_rate = clk_wzrd_determine_rate,
 	.set_rate = clk_wzrd_ver_dynamic_reconfig,
 	.recalc_rate = clk_wzrd_recalc_rate_ver,
 };
 
 static const struct clk_ops clk_wzrd_ver_div_all_ops = {
-	.round_rate = clk_wzrd_ver_round_rate_all,
+	.determine_rate = clk_wzrd_ver_determine_rate_all,
 	.set_rate = clk_wzrd_dynamic_all_ver,
 	.recalc_rate = clk_wzrd_recalc_rate_all_ver,
 };
 
 static const struct clk_ops clk_wzrd_clk_divider_ops = {
-	.round_rate = clk_wzrd_round_rate,
+	.determine_rate = clk_wzrd_determine_rate,
 	.set_rate = clk_wzrd_dynamic_reconfig,
 	.recalc_rate = clk_wzrd_recalc_rate,
 };
 
 static const struct clk_ops clk_wzrd_clk_div_all_ops = {
-	.round_rate = clk_wzrd_round_rate_all,
+	.determine_rate = clk_wzrd_determine_rate_all,
 	.set_rate = clk_wzrd_dynamic_all,
 	.recalc_rate = clk_wzrd_recalc_rate_all,
 };
···
 				WZRD_USEC_POLL, WZRD_TIMEOUT_POLL);
 }
 
-static long clk_wzrd_round_rate_f(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *prate)
+static int clk_wzrd_determine_rate_f(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
-	return rate;
+	return 0;
 }
 
 static const struct clk_ops clk_wzrd_clk_divider_ops_f = {
-	.round_rate = clk_wzrd_round_rate_f,
+	.determine_rate = clk_wzrd_determine_rate_f,
 	.set_rate = clk_wzrd_dynamic_reconfig_f,
 	.recalc_rate = clk_wzrd_recalc_ratef,
 };

drivers/clk/xilinx/xlnx_vcu.c

···
 	return 0;
 }
 
-static long xvcu_pll_round_rate(struct clk_hw *hw,
-				unsigned long rate, unsigned long *parent_rate)
+static int xvcu_pll_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	struct vcu_pll *pll = to_vcu_pll(hw);
 	unsigned int feedback_div;
 
-	rate = clamp_t(unsigned long, rate, pll->fvco_min, pll->fvco_max);
+	req->rate = clamp_t(unsigned long, req->rate, pll->fvco_min,
+			    pll->fvco_max);
 
-	feedback_div = DIV_ROUND_CLOSEST_ULL(rate, *parent_rate);
+	feedback_div = DIV_ROUND_CLOSEST_ULL(req->rate, req->best_parent_rate);
 	feedback_div = clamp_t(unsigned int, feedback_div, 25, 125);
 
-	return *parent_rate * feedback_div;
+	req->rate = req->best_parent_rate * feedback_div;
+
+	return 0;
 }
 
 static unsigned long xvcu_pll_recalc_rate(struct clk_hw *hw,
···
 static const struct clk_ops vcu_pll_ops = {
 	.enable = xvcu_pll_enable,
 	.disable = xvcu_pll_disable,
-	.round_rate = xvcu_pll_round_rate,
+	.determine_rate = xvcu_pll_determine_rate,
 	.recalc_rate = xvcu_pll_recalc_rate,
 	.set_rate = xvcu_pll_set_rate,
 };

drivers/clk/zynq/pll.c

···
  * @prate:	Clock frequency of parent clock
  * Return:	frequency closest to @rate the hardware can generate.
  */
-static long zynq_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-		unsigned long *prate)
+static int zynq_pll_determine_rate(struct clk_hw *hw,
+				   struct clk_rate_request *req)
 {
 	u32 fbdiv;
 
-	fbdiv = DIV_ROUND_CLOSEST(rate, *prate);
+	fbdiv = DIV_ROUND_CLOSEST(req->rate, req->best_parent_rate);
 	if (fbdiv < PLL_FBDIV_MIN)
 		fbdiv = PLL_FBDIV_MIN;
 	else if (fbdiv > PLL_FBDIV_MAX)
 		fbdiv = PLL_FBDIV_MAX;
 
-	return *prate * fbdiv;
+	req->rate = req->best_parent_rate * fbdiv;
+
+	return 0;
 }
 
 /**
···
 	.enable = zynq_pll_enable,
 	.disable = zynq_pll_disable,
 	.is_enabled = zynq_pll_is_enabled,
-	.round_rate = zynq_pll_round_rate,
+	.determine_rate = zynq_pll_determine_rate,
 	.recalc_rate = zynq_pll_recalc_rate
 };
 

drivers/clk/zynqmp/divider.c

···
  *
  * Return: 0 on success else error+reason
  */
-static long zynqmp_clk_divider_round_rate(struct clk_hw *hw,
-					  unsigned long rate,
-					  unsigned long *prate)
+static int zynqmp_clk_divider_determine_rate(struct clk_hw *hw,
+					     struct clk_rate_request *req)
 {
 	struct zynqmp_clk_divider *divider = to_zynqmp_clk_divider(hw);
 	const char *clk_name = clk_hw_get_name(hw);
···
 		if (divider->flags & CLK_DIVIDER_POWER_OF_TWO)
 			bestdiv = 1 << bestdiv;
 
-		return DIV_ROUND_UP_ULL((u64)*prate, bestdiv);
+		req->rate = DIV_ROUND_UP_ULL((u64)req->best_parent_rate, bestdiv);
+
+		return 0;
 	}
 
 	width = fls(divider->max_div);
 
-	rate = divider_round_rate(hw, rate, prate, NULL, width, divider->flags);
+	req->rate = divider_round_rate(hw, req->rate, &req->best_parent_rate,
+				       NULL, width, divider->flags);
 
-	if (divider->is_frac && (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) && (rate % *prate))
-		*prate = rate;
+	if (divider->is_frac && (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT) &&
+	    (req->rate % req->best_parent_rate))
+		req->best_parent_rate = req->rate;
 
-	return rate;
+	return 0;
 }
 
 /**
···
 
 static const struct clk_ops zynqmp_clk_divider_ops = {
 	.recalc_rate = zynqmp_clk_divider_recalc_rate,
-	.round_rate = zynqmp_clk_divider_round_rate,
+	.determine_rate = zynqmp_clk_divider_determine_rate,
 	.set_rate = zynqmp_clk_divider_set_rate,
 };
 
 static const struct clk_ops zynqmp_clk_divider_ro_ops = {
 	.recalc_rate = zynqmp_clk_divider_recalc_rate,
-	.round_rate = zynqmp_clk_divider_round_rate,
+	.determine_rate = zynqmp_clk_divider_determine_rate,
 };
 
 /**

drivers/clk/zynqmp/pll.c

···
  *
  * Return: Frequency closest to @rate the hardware can generate
  */
-static long zynqmp_pll_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *prate)
+static int zynqmp_pll_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	u32 fbdiv;
 	u32 mult, div;
 
 	/* Let rate fall inside the range PS_PLL_VCO_MIN ~ PS_PLL_VCO_MAX */
-	if (rate > PS_PLL_VCO_MAX) {
-		div = DIV_ROUND_UP(rate, PS_PLL_VCO_MAX);
-		rate = rate / div;
+	if (req->rate > PS_PLL_VCO_MAX) {
+		div = DIV_ROUND_UP(req->rate, PS_PLL_VCO_MAX);
+		req->rate = req->rate / div;
 	}
-	if (rate < PS_PLL_VCO_MIN) {
-		mult = DIV_ROUND_UP(PS_PLL_VCO_MIN, rate);
-		rate = rate * mult;
+	if (req->rate < PS_PLL_VCO_MIN) {
+		mult = DIV_ROUND_UP(PS_PLL_VCO_MIN, req->rate);
+		req->rate = req->rate * mult;
 	}
 
-	fbdiv = DIV_ROUND_CLOSEST(rate, *prate);
+	fbdiv = DIV_ROUND_CLOSEST(req->rate, req->best_parent_rate);
 	if (fbdiv < PLL_FBDIV_MIN || fbdiv > PLL_FBDIV_MAX) {
 		fbdiv = clamp_t(u32, fbdiv, PLL_FBDIV_MIN, PLL_FBDIV_MAX);
-		rate = *prate * fbdiv;
+		req->rate = req->best_parent_rate * fbdiv;
 	}
 
-	return rate;
+	return 0;
 }
 
 /**
···
 	.enable = zynqmp_pll_enable,
 	.disable = zynqmp_pll_disable,
 	.is_enabled = zynqmp_pll_is_enabled,
-	.round_rate = zynqmp_pll_round_rate,
+	.determine_rate = zynqmp_pll_determine_rate,
 	.recalc_rate = zynqmp_pll_recalc_rate,
 	.set_rate = zynqmp_pll_set_rate,
 };

include/linux/clk/ti.h

···
  * @clk_ref: struct clk_hw pointer to the clock's reference clock input
  * @control_reg: register containing the DPLL mode bitfield
  * @enable_mask: mask of the DPLL mode bitfield in @control_reg
- * @last_rounded_rate: cache of the last rate result of omap2_dpll_round_rate()
- * @last_rounded_m: cache of the last M result of omap2_dpll_round_rate()
+ * @last_rounded_rate: cache of the last rate result of omap2_dpll_determine_rate()
+ * @last_rounded_m: cache of the last M result of omap2_dpll_determine_rate()
  * @last_rounded_m4xen: cache of the last M4X result of
- *			omap4_dpll_regm4xen_round_rate()
+ *			omap4_dpll_regm4xen_determine_rate()
  * @last_rounded_lpmode: cache of the last lpmode result of
  *			 omap4_dpll_lpmode_recalc()
  * @max_multiplier: maximum valid non-bypass multiplier value (actual)
- * @last_rounded_n: cache of the last N result of omap2_dpll_round_rate()
+ * @last_rounded_n: cache of the last N result of omap2_dpll_determine_rate()
  * @min_divider: minimum valid non-bypass divider value (actual)
  * @max_divider: maximum valid non-bypass divider value (actual)
  * @max_rate: maximum clock rate for the DPLL