summaryrefslogtreecommitdiff
path: root/drivers/clk
diff options
context:
space:
mode:
authorBrian Masney <bmasney@redhat.com>2025-07-10 17:10:39 -0400
committerStephen Boyd <sboyd@kernel.org>2025-07-24 15:17:23 -0700
commit6d50f953f75e76d81253647449570969e37a7bad (patch)
tree9c585856f8e0c913317837c9407c62ae88b22872 /drivers/clk
parent6534f1a7c1e5a24c021ad1d3c0f95907105b0ff2 (diff)
downloadlinux-next-6d50f953f75e76d81253647449570969e37a7bad.tar.gz
linux-next-6d50f953f75e76d81253647449570969e37a7bad.zip
clk: imx: frac-pll: 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> Link: https://lore.kernel.org/r/20250710-clk-imx-round-rate-v1-7-5726f98e6d8d@redhat.com Reviewed-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/imx/clk-frac-pll.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/clk/imx/clk-frac-pll.c b/drivers/clk/imx/clk-frac-pll.c
index c703056fae85..eb668faaa38f 100644
--- a/drivers/clk/imx/clk-frac-pll.c
+++ b/drivers/clk/imx/clk-frac-pll.c
@@ -119,19 +119,19 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
return rate;
}
-static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *prate)
+static int clk_pll_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- u64 parent_rate = *prate;
+ u64 parent_rate = req->best_parent_rate;
u32 divff, divfi;
u64 temp64;
parent_rate *= 8;
- rate *= 2;
- temp64 = rate;
+ req->rate *= 2;
+ temp64 = req->rate;
do_div(temp64, parent_rate);
divfi = temp64;
- temp64 = rate - divfi * parent_rate;
+ temp64 = req->rate - divfi * parent_rate;
temp64 *= PLL_FRAC_DENOM;
do_div(temp64, parent_rate);
divff = temp64;
@@ -140,9 +140,11 @@ static long clk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
temp64 *= divff;
do_div(temp64, PLL_FRAC_DENOM);
- rate = parent_rate * divfi + temp64;
+ req->rate = parent_rate * divfi + temp64;
+
+ req->rate = req->rate / 2;
- return rate / 2;
+ return 0;
}
/*
@@ -198,7 +200,7 @@ static const struct clk_ops clk_frac_pll_ops = {
.unprepare = clk_pll_unprepare,
.is_prepared = clk_pll_is_prepared,
.recalc_rate = clk_pll_recalc_rate,
- .round_rate = clk_pll_round_rate,
+ .determine_rate = clk_pll_determine_rate,
.set_rate = clk_pll_set_rate,
};