clk: tegra: divider: convert from round_rate() to determine_rate()

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

Signed-off-by: Brian Masney <bmasney@redhat.com>

diff --git a/drivers/clk/tegra/clk-divider.c b/drivers/clk/tegra/clk-divider.c
index 38daf483ddf171293666cea25179a9c8809d8c3f..37439fcb3ac0dd9ff672a9e9339ed6d5429dabaf 100644 (file)
--- a/drivers/clk/tegra/clk-divider.c
+++ b/drivers/clk/tegra/clk-divider.c
@@ -58,23 +58,31 @@ static unsigned long clk_frac_div_recalc_rate(struct clk_hw *hw,
        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,
@@ -127,7 +135,7 @@ static void clk_divider_restore_context(struct clk_hw *hw)
 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,
 };