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clk: fractional-divider: 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 11:18:07 -04:00
parent 986a96226c
commit b87d7e655a
1 changed files with 16 additions and 9 deletions
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25
drivers/clk/clk-fractional-divider.c
View File

@ -151,25 +151,32 @@ void clk_fractional_divider_general_approximation(struct clk_hw *hw,
}
EXPORT_SYMBOL_GPL(clk_fractional_divider_general_approximation);
static long clk_fd_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
static int clk_fd_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
struct clk_fractional_divider *fd = to_clk_fd(hw);
unsigned long m, n;
u64 ret;
if (!rate || (!clk_hw_can_set_rate_parent(hw) && rate >= *parent_rate))
return *parent_rate;
if (!req->rate || (!clk_hw_can_set_rate_parent(hw) && req->rate >= req->best_parent_rate)) {
req->rate = req->best_parent_rate;
return 0;
}
if (fd->approximation)
fd->approximation(hw, rate, parent_rate, &m, &n);
fd->approximation(hw, req->rate, &req->best_parent_rate, &m, &n);
else
clk_fractional_divider_general_approximation(hw, rate, parent_rate, &m, &n);
clk_fractional_divider_general_approximation(hw, req->rate,
&req->best_parent_rate,
&m, &n);
ret = (u64)*parent_rate * m;
ret = (u64)req->best_parent_rate * m;
do_div(ret, n);
return ret;
req->rate = ret;
return 0;
}
static int clk_fd_set_rate(struct clk_hw *hw, unsigned long rate,
@ -250,7 +257,7 @@ static void clk_fd_debug_init(struct clk_hw *hw, struct dentry *dentry)
const struct clk_ops clk_fractional_divider_ops = {
.recalc_rate = clk_fd_recalc_rate,
.round_rate = clk_fd_round_rate,
.determine_rate = clk_fd_determine_rate,
.set_rate = clk_fd_set_rate,
#ifdef CONFIG_DEBUG_FS
.debug_init = clk_fd_debug_init,