Re: [PATCH] clk: spacemit: ccu_pll: fix error return value in recalc_rate callback

From: Haylen Chu
Date: Mon Jul 21 2025 - 21:08:53 EST


On Tue, Jul 22, 2025 at 12:37:10AM +0530, Akhilesh Patil wrote:
> Return 0 instead of -EINVAL if function ccu_pll_recalc_rate() fails to
> get correct rate entry. Follow .recalc_rate callback documentation
> as mentioned in include/linux/clk-provider.h for error return value.

Nice catch, thanks.

> Signed-off-by: Akhilesh Patil <akhilesh@xxxxxxxxxxxxx>

Here misses a Fixes tag. With this added,

Reviewed-by: Haylen Chu <heylenay@xxxxxxx>

> ---
> drivers/clk/spacemit/ccu_pll.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/spacemit/ccu_pll.c b/drivers/clk/spacemit/ccu_pll.c
> index 4427dcfbbb97..45f540073a65 100644
> --- a/drivers/clk/spacemit/ccu_pll.c
> +++ b/drivers/clk/spacemit/ccu_pll.c
> @@ -122,7 +122,7 @@ static unsigned long ccu_pll_recalc_rate(struct clk_hw *hw,
>
> WARN_ON_ONCE(!entry);
>
> - return entry ? entry->rate : -EINVAL;
> + return entry ? entry->rate : 0;
> }
>
> static long ccu_pll_round_rate(struct clk_hw *hw, unsigned long rate,
> --
> 2.34.1
>