[PATCH 9/9] drm/sun4i/sun4i_tcon_dclk: convert from round_rate() to determine_rate()

[Brian Masney]

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

Signed-off-by: Brian Masney <bmasney at redhat.com>
---
 drivers/gpu/drm/sun4i/sun4i_tcon_dclk.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon_dclk.c b/drivers/gpu/drm/sun4i/sun4i_tcon_dclk.c
index 03d7de1911cd654f395ea85ad914588c4351f391..9b85bf512d4c81d0a12e8cf726d5d5440343519c 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon_dclk.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon_dclk.c
@@ -67,8 +67,8 @@ static unsigned long sun4i_dclk_recalc_rate(struct clk_hw *hw,
 	return parent_rate / val;
 }
 
-static long sun4i_dclk_round_rate(struct clk_hw *hw, unsigned long rate,
-				  unsigned long *parent_rate)
+static int sun4i_dclk_determine_rate(struct clk_hw *hw,
+				     struct clk_rate_request *req)
 {
 	struct sun4i_dclk *dclk = hw_to_dclk(hw);
 	struct sun4i_tcon *tcon = dclk->tcon;
@@ -77,7 +77,7 @@ static long sun4i_dclk_round_rate(struct clk_hw *hw, unsigned long rate,
 	int i;
 
 	for (i = tcon->dclk_min_div; i <= tcon->dclk_max_div; i++) {
-		u64 ideal = (u64)rate * i;
+		u64 ideal = (u64) req->rate * i;
 		unsigned long rounded;
 
 		/*
@@ -99,17 +99,19 @@ static long sun4i_dclk_round_rate(struct clk_hw *hw, unsigned long rate,
 			goto out;
 		}
 
-		if (abs(rate - rounded / i) <
-		    abs(rate - best_parent / best_div)) {
+		if (abs(req->rate - rounded / i) <
+		    abs(req->rate - best_parent / best_div)) {
 			best_parent = rounded;
 			best_div = i;
 		}
 	}
 
 out:
-	*parent_rate = best_parent;
+	req->best_parent_rate = best_parent;
 
-	return best_parent / best_div;
+	req->rate = best_parent / best_div;
+
+	return 0;
 }
 
 static int sun4i_dclk_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -155,7 +157,7 @@ static const struct clk_ops sun4i_dclk_ops = {
 	.is_enabled	= sun4i_dclk_is_enabled,
 
 	.recalc_rate	= sun4i_dclk_recalc_rate,
-	.round_rate	= sun4i_dclk_round_rate,
+	.determine_rate = sun4i_dclk_determine_rate,
 	.set_rate	= sun4i_dclk_set_rate,
 
 	.get_phase	= sun4i_dclk_get_phase,

-- 
2.50.0