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clk: mmp: frac: 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 2025-08-11 11:18:22 -04:00
parent 2ffc3f1f39
commit 4a7aeef18b
1 changed files with 14 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

27
drivers/clk/mmp/clk-frac.c
View file

@ -21,8 +21,8 @@
#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;
@ -33,19 +33,20 @@ static long clk_factor_round_rate(struct clk_hw *hw, unsigned long drate,
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,
@ -160,7 +161,7 @@ static int clk_factor_init(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,
};