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authorBrian Masney <bmasney@redhat.com>2025-08-11 11:17:59 -0400
committerBrian Masney <bmasney@redhat.com>2025-09-08 09:41:26 -0400
commit3c117b696a8a9733fe9b8affc5a13536c60ff730 (patch)
tree376f8155006ec0faf11a935cd2c7e87248276737
parentclk: at91: pll: convert from round_rate() to determine_rate() (diff)
downloadlinux-3c117b696a8a9733fe9b8affc5a13536c60ff730.tar.gz
linux-3c117b696a8a9733fe9b8affc5a13536c60ff730.zip
clk: at91: plldiv: 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>
-rw-r--r--drivers/clk/at91/clk-plldiv.c34
1 files changed, 23 insertions, 11 deletions
diff --git a/drivers/clk/at91/clk-plldiv.c b/drivers/clk/at91/clk-plldiv.c
index ba3a1839a96d..3ac09fecc54e 100644
--- a/drivers/clk/at91/clk-plldiv.c
+++ b/drivers/clk/at91/clk-plldiv.c
@@ -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;
+ }
+
+ 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 *parent_rate;
+ 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,
};