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clk: at91: usb: 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 11:18:01 -04:00
parent fcf9720171
commit a31de1a36e
1 changed files with 11 additions and 9 deletions
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20
drivers/clk/at91/clk-usb.c
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@@ -319,8 +319,8 @@ static unsigned long at91rm9200_clk_usb_recalc_rate(struct clk_hw *hw,
return 0;
}
static long at91rm9200_clk_usb_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
static int at91rm9200_clk_usb_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
struct at91rm9200_clk_usb *usb = to_at91rm9200_clk_usb(hw);
struct clk_hw *parent = clk_hw_get_parent(hw);
@@ -336,25 +336,27 @@ static long at91rm9200_clk_usb_round_rate(struct clk_hw *hw, unsigned long rate,
if (!usb->divisors[i])
continue;
tmp_parent_rate = rate * usb->divisors[i];
tmp_parent_rate = req->rate * usb->divisors[i];
tmp_parent_rate = clk_hw_round_rate(parent, tmp_parent_rate);
tmprate = DIV_ROUND_CLOSEST(tmp_parent_rate, usb->divisors[i]);
if (tmprate < rate)
tmpdiff = rate - tmprate;
if (tmprate < req->rate)
tmpdiff = req->rate - tmprate;
else
tmpdiff = tmprate - rate;
tmpdiff = tmprate - req->rate;
if (bestdiff < 0 || bestdiff > tmpdiff) {
bestrate = tmprate;
bestdiff = tmpdiff;
*parent_rate = tmp_parent_rate;
req->best_parent_rate = tmp_parent_rate;
}
if (!bestdiff)
break;
}
return bestrate;
req->rate = bestrate;
return 0;
}
static int at91rm9200_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -384,7 +386,7 @@ static int at91rm9200_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops at91rm9200_usb_ops = {
.recalc_rate = at91rm9200_clk_usb_recalc_rate,
.round_rate = at91rm9200_clk_usb_round_rate,
.determine_rate = at91rm9200_clk_usb_determine_rate,
.set_rate = at91rm9200_clk_usb_set_rate,
};