Re: [PATCH 3/5] ASoC: rt5682: clock driver must use the clock provider API

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Quoting Jerome Brunet (2021-04-10 04:13:54)
> Clock drivers ops should not the clk API but the clock provider (clk_hw)
> instead.
> 
> Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
> ---
>  sound/soc/codecs/rt5682.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
> index 0e2a10ed11da..2eee02ac8d49 100644
> --- a/sound/soc/codecs/rt5682.c
> +++ b/sound/soc/codecs/rt5682.c
> @@ -2634,7 +2634,7 @@ static int rt5682_wclk_set_rate(struct clk_hw *hw, unsigned long rate,
>                 container_of(hw, struct rt5682_priv,
>                              dai_clks_hw[RT5682_DAI_WCLK_IDX]);
>         struct snd_soc_component *component = rt5682->component;
> -       struct clk *parent_clk;
> +       struct clk_hw *parent_hw;
>         const char * const clk_name = clk_hw_get_name(hw);
>         int pre_div;
>         unsigned int clk_pll2_out;
> @@ -2649,8 +2649,8 @@ static int rt5682_wclk_set_rate(struct clk_hw *hw, unsigned long rate,
>          *
>          * It will set the codec anyway by assuming mclk is 48MHz.
>          */
> -       parent_clk = clk_get_parent(hw->clk);
> -       if (!parent_clk)
> +       parent_hw = clk_hw_get_parent(hw);
> +       if (!parent_hw)
>                 dev_warn(component->dev,
>                         "Parent mclk of wclk not acquired in driver. Please ensure mclk was provided as %d Hz.\n",
>                         CLK_PLL2_FIN);

Can this code be removed? I don't know why we care to check if the clk
has a parent or not.




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