Re: [PATCH 6/8] clk: sophgo: sg2042-pll: remove round_rate() in favor of determine_rate()

[Chen Wang <unicorn_wang@outlook.com>]

On 8/29/2025 8:38 AM, Brian Masney wrote:
> This driver implements both the determine_rate() and round_rate() clk
> ops, and the round_rate() clk ops is deprecated. When both are defined,
> clk_core_determine_round_nolock() from the clk core will only use the
> determine_rate() clk ops, so let's remove the round_rate() clk ops since
> it's unused.
>
> The implementation of sg2042_clk_pll_determine_rate() calls
> sg2042_clk_pll_round_rate(), so this folds the two into a single
> function.
>
> Reviewed-by: Chen Wang <unicorn_wang@outlook.com>
> Signed-off-by: Brian Masney <bmasney@redhat.com>

Tested-by: Chen Wang <unicorn_wang@outlook.com> # Pioneerbox

Thanks,

Chen

> ---
>   drivers/clk/sophgo/clk-sg2042-pll.c | 26 +++++++++-----------------
>   1 file changed, 9 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/clk/sophgo/clk-sg2042-pll.c b/drivers/clk/sophgo/clk-sg2042-pll.c
> index e5fb0bb7ac4f97616f3b472fcab45e5729eb653e..110b6ee06fe4b61e89f3cbf2ce00eb03c078afb6 100644
> --- a/drivers/clk/sophgo/clk-sg2042-pll.c
> +++ b/drivers/clk/sophgo/clk-sg2042-pll.c
> @@ -346,37 +346,30 @@ static unsigned long sg2042_clk_pll_recalc_rate(struct clk_hw *hw,
>   	return rate;
>   }
>   
> -static long sg2042_clk_pll_round_rate(struct clk_hw *hw,
> -				      unsigned long req_rate,
> -				      unsigned long *prate)
> +static int sg2042_clk_pll_determine_rate(struct clk_hw *hw,
> +					 struct clk_rate_request *req)
>   {
>   	struct sg2042_pll_ctrl pctrl_table;
>   	unsigned int value;
>   	long proper_rate;
>   	int ret;
>   
> -	ret = sg2042_get_pll_ctl_setting(&pctrl_table, req_rate, *prate);
> +	ret = sg2042_get_pll_ctl_setting(&pctrl_table,
> +					 min(req->rate, req->max_rate),
> +					 req->best_parent_rate);
>   	if (ret) {
>   		proper_rate = 0;
>   		goto out;
>   	}
>   
>   	value = sg2042_pll_ctrl_encode(&pctrl_table);
> -	proper_rate = (long)sg2042_pll_recalc_rate(value, *prate);
> +	proper_rate = (long)sg2042_pll_recalc_rate(value, req->best_parent_rate);
>   
>   out:
> -	pr_debug("--> %s: pll_round_rate: val = %ld\n",
> +	pr_debug("--> %s: pll_determine_rate: val = %ld\n",
>   		 clk_hw_get_name(hw), proper_rate);
> -	return proper_rate;
> -}
> +	req->rate = proper_rate;
>   
> -static int sg2042_clk_pll_determine_rate(struct clk_hw *hw,
> -					 struct clk_rate_request *req)
> -{
> -	req->rate = sg2042_clk_pll_round_rate(hw, min(req->rate, req->max_rate),
> -					      &req->best_parent_rate);
> -	pr_debug("--> %s: pll_determine_rate: val = %ld\n",
> -		 clk_hw_get_name(hw), req->rate);
>   	return 0;
>   }
>   
> @@ -417,14 +410,13 @@ static int sg2042_clk_pll_set_rate(struct clk_hw *hw,
>   
>   static const struct clk_ops sg2042_clk_pll_ops = {
>   	.recalc_rate = sg2042_clk_pll_recalc_rate,
> -	.round_rate = sg2042_clk_pll_round_rate,
>   	.determine_rate = sg2042_clk_pll_determine_rate,
>   	.set_rate = sg2042_clk_pll_set_rate,
>   };
>   
>   static const struct clk_ops sg2042_clk_pll_ro_ops = {
>   	.recalc_rate = sg2042_clk_pll_recalc_rate,
> -	.round_rate = sg2042_clk_pll_round_rate,
> +	.determine_rate = sg2042_clk_pll_determine_rate,
>   };
>   
>   /*
>