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clk: imx: frac-pll: 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>
Link: https://lore.kernel.org/r/20250710-clk-imx-round-rate-v1-7-5726f98e6d8d@redhat.com
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Brian Masney
2025-07-10 17:10:39 -04:00
committed by Stephen Boyd
parent 6534f1a7c1
commit 6d50f953f7
1 changed files with 11 additions and 9 deletions
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20
drivers/clk/imx/clk-frac-pll.c
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@@ -119,19 +119,19 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
return rate;
}
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)
{
u64 parent_rate = *prate;
u64 parent_rate = req->best_parent_rate;
u32 divff, divfi;
u64 temp64;
parent_rate *= 8;
rate *= 2;
temp64 = rate;
req->rate *= 2;
temp64 = req->rate;
do_div(temp64, parent_rate);
divfi = temp64;
temp64 = rate - divfi * parent_rate;
temp64 = req->rate - divfi * parent_rate;
temp64 *= PLL_FRAC_DENOM;
do_div(temp64, parent_rate);
divff = temp64;
@@ -140,9 +140,11 @@ static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
temp64 *= divff;
do_div(temp64, PLL_FRAC_DENOM);
rate = parent_rate * divfi + temp64;
req->rate = parent_rate * divfi + temp64;
return rate / 2;
req->rate = req->rate / 2;
return 0;
}
/*
@@ -198,7 +200,7 @@ static const struct clk_ops clk_frac_pll_ops = {
.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,
};