[U-Boot] [PATCH 01/16] clk: introduce clk_dev_binded

Peng Fan peng.fan at nxp.com
Mon Jul 29 08:31:20 UTC 2019


Hi Lukasz,

> Subject: [PATCH 01/16] clk: introduce clk_dev_binded

Do you have time to review the patchset? Patches were delegated to you.

Thanks,
Peng.

> 
> When support Clock Common Framework, U-Boot use dev for clk tree
> information, there is no clk->parent. When support composite clk, it contains
> mux/gate/divider, but the mux/gate/divider is not binded with device.
> So we could not use dev_get_uclass_priv to get the correct
> clk_mux/gate/divider. So add clk_dev_binded to let choose the correct
> method.
> 
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
> ---
>  drivers/clk/clk.c | 8 ++++++++
>  include/clk.h     | 9 +++++++++
>  2 files changed, 17 insertions(+)
> 
> diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 7d748c9fc7..39b3087067
> 100644
> --- a/drivers/clk/clk.c
> +++ b/drivers/clk/clk.c
> @@ -55,3 +55,11 @@ const char *clk_hw_get_name(const struct clk *hw)
> {
>  	return hw->dev->name;
>  }
> +
> +bool clk_dev_binded(struct clk *clk)
> +{
> +	if (clk->dev && (clk->dev->flags & DM_FLAG_BOUND))
> +		return true;
> +
> +	return false;
> +}
> diff --git a/include/clk.h b/include/clk.h index f8f56d9cf0..2ebc905e04
> 100644
> --- a/include/clk.h
> +++ b/include/clk.h
> @@ -356,4 +356,13 @@ static inline bool clk_valid(struct clk *clk)
>   * @return zero on success, or -ENOENT on error
>   */
>  int clk_get_by_id(ulong id, struct clk **clkp);
> +
> +/**
> + * clk_dev_binded() - Check whether the clk has a device binded
> + *
> + * @clk		A pointer to the clk
> + *
> + * @return true on binded, or false on no  */ bool
> +clk_dev_binded(struct clk *clk);
>  #endif
> --
> 2.16.4



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