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clk: si570: 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>
This commit is contained in:
Brian Masney 2025-08-11 11:18:37 -04:00
parent 0d4ccc3756
commit 3859ce9eeb
1 changed files with 16 additions and 10 deletions
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26
drivers/clk/clk-si570.c
View File

@ -246,34 +246,40 @@ static unsigned long si570_recalc_rate(struct clk_hw *hw,
return rate;
}
static long si570_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
static int si570_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
int err;
u64 rfreq;
unsigned int n1, hs_div;
struct clk_si570 *data = to_clk_si570(hw);
if (!rate)
return 0;
if (!req->rate) {
req->rate = 0;
if (div64_u64(abs(rate - data->frequency) * 10000LL,
return 0;
}
if (div64_u64(abs(req->rate - data->frequency) * 10000LL,
data->frequency) < 35) {
rfreq = div64_u64((data->rfreq * rate) +
div64_u64(data->frequency, 2), data->frequency);
rfreq = div64_u64((data->rfreq * req->rate) +
div64_u64(data->frequency, 2),
data->frequency);
n1 = data->n1;
hs_div = data->hs_div;
} else {
err = si570_calc_divs(rate, data, &rfreq, &n1, &hs_div);
err = si570_calc_divs(req->rate, data, &rfreq, &n1, &hs_div);
if (err) {
dev_err(&data->i2c_client->dev,
"unable to round rate\n");
req->rate = 0;
return 0;
}
}
return rate;
return 0;
}
/**
@ -368,7 +374,7 @@ static int si570_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops si570_clk_ops = {
.recalc_rate = si570_recalc_rate,
.round_rate = si570_round_rate,
.determine_rate = si570_determine_rate,
.set_rate = si570_set_rate,
};