Re: [PATCH v4 09/10] clk: add clk_rate_exclusive api

[Michael Turquette]

Hi Jerome,

Quoting Jerome Brunet (2017-09-24 22:00:29)
> @@ -1778,6 +1867,50 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
>  EXPORT_SYMBOL_GPL(clk_set_rate);
>  
>  /**
> + * clk_set_rate_exclusive - specify a new rate get exclusive control
> + * @clk: the clk whose rate is being changed
> + * @rate: the new rate for clk
> + *
> + * This is a combination of clk_set_rate() and clk_rate_exclusive_get()
> + * within a critical section
> + *
> + * This can be used initially to ensure that at least 1 consumer is
> + * statisfied when several consumers are competing for exclusivity over the
> + * same clock provider.

Please add the following here:

  Calls to clk_rate_exclusive_get() should be balanced with calls to
  clk_rate_exclusive_put().

Otherwise looks good to me.

Best regards,
Mike