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clk: at91: plldiv: 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 11:17:59 -04:00
parent a635d6b4c7
commit 3c117b696a
1 changed files with 23 additions and 11 deletions
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34
drivers/clk/at91/clk-plldiv.c
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@@ -33,21 +33,33 @@ static unsigned long clk_plldiv_recalc_rate(struct clk_hw *hw,
return parent_rate;
}
static long clk_plldiv_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
static int clk_plldiv_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
unsigned long div;
if (rate > *parent_rate)
return *parent_rate;
div = *parent_rate / 2;
if (rate < div)
return div;
if (req->rate > req->best_parent_rate) {
req->rate = req->best_parent_rate;
if (rate - div < *parent_rate - rate)
return div;
return 0;
}
return *parent_rate;
div = req->best_parent_rate / 2;
if (req->rate < div) {
req->rate = div;
return 0;
}
if (req->rate - div < req->best_parent_rate - req->rate) {
req->rate = div;
return 0;
}
req->rate = req->best_parent_rate;
return 0;
}
static int clk_plldiv_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -66,7 +78,7 @@ static int clk_plldiv_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops plldiv_ops = {
.recalc_rate = clk_plldiv_recalc_rate,
.round_rate = clk_plldiv_round_rate,
.determine_rate = clk_plldiv_determine_rate,
.set_rate = clk_plldiv_set_rate,
};