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

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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>
This commit is contained in:
Brian Masney
2025-09-03 11:15:03 -04:00
parent 706000971c
commit 3891c3c700
1 changed files with 18 additions and 10 deletions
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28
drivers/clk/tegra/clk-divider.c
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@@ -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,
};