Re: [PATCH 0/2] clk: Implement a clock request API

[Stephen Boyd]

Quoting Maxime Ripard (2021-04-13 03:13:18)
> Hi,
> 
> This is a follow-up of the discussion here:
> https://lore.kernel.org/linux-clk/20210319150355.xzw7ikwdaga2dwhv@gilmour/
> 
> This implements a mechanism to raise and lower clock rates based on consumer
> workloads, with an example of such an implementation for the RaspberryPi4 HDMI
> controller.
> 
> There's a couple of things worth discussing:
> 
>   - The name is in conflict with clk_request_rate, and even though it feels
>     like the right name to me, we should probably avoid any confusion
> 
>   - The code so far implements a policy of always going for the lowest rate
>     possible. While we don't have an use-case for something else, this should
>     maybe be made more flexible?

I'm definitely confused how it is different from the
clk_set_rate_exclusive() API and associated
clk_rate_exclusive_get()/clk_rate_exclusive_put(). Can you explain
further the differences in the cover letter here?

> 
> Let me know what you think
> Maxime
>