[U-Boot] [PATCH v4 04/13] clk: Extend struct clk to provide information regarding clock rate

[Stefano Babic]

On 17/05/19 00:10, Lukasz Majewski wrote:
> This commit extends the struct clk to provide information regarding the
> clock rate.
> As a result the clock tree traversal is performed at most once, and further
> reads are using the cached value.
> 
> Signed-off-by: Lukasz Majewski <lukma at denx.de>
> 
> ---
> 
> Changes in v4:
> - None
> 
> Changes in v3: None
> 
>  include/clk.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/include/clk.h b/include/clk.h
> index a909b71f1a..1f2fd15bb5 100644
> --- a/include/clk.h
> +++ b/include/clk.h
> @@ -40,6 +40,7 @@ struct udevice;
>   * other clock APIs to identify which clock signal to operate upon.
>   *
>   * @dev: The device which implements the clock signal.
> + * @rate: The clock rate (in HZ).
>   * @id: The clock signal ID within the provider.
>   * @data: An optional data field for scenarios where a single integer ID is not
>   *	  sufficient. If used, it can be populated through an .of_xlate op and
> @@ -55,6 +56,7 @@ struct udevice;
>   */
>  struct clk {
>  	struct udevice *dev;
> +	unsigned long rate;	/* in HZ */
>  	/*
>  	 * Written by of_xlate. In the future, we might add more fields here.
>  	 */
> 


Reviewed-by: Stefano Babic <sbabic at denx.de>

Best regards,
Stefano Babic

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