Re: [PATCH v5 2/2] clk: Add gpio-locked fixed clock driver

[Vyacheslav Yurkov <uvv.mail@gmail.com>]

On 16.09.2026 15:57, Jerome Brunet wrote:

>>>> +/* We can't enable the clock, but the Common Clock Framework calls only
>>>> + * enable() not is_enabled()
>>>> + */
>>>> +static int gpio_locked_clk_enable(struct clk_hw *hw)
>>>> +{
>>>> +	return gpio_locked_clk_is_enabled(hw);
>>>> +}
> 
> You need to explain your problem a bit more because this is not OK. Your
> clock should really just provide .is_enabled() AFAICT

When a peripheral driver uses devm_clk_get_enabled(), this is resolved 
to clk_prepare() and clk_enable(). Neither of them check for 
.is_enabled(). Is that a flaw in the CCF or expected behavior?


>>>> +
>>>> +/* We have to implement it, but we are not going to control
>>>> + * parent clock selection
>>>> + */
>>>> +static u8 gpio_locked_clk_get_parent(struct clk_hw *hw)
>>>> +{
>>>> +	return 0;
>>>> +}
> 
> Same, I dont get why you need that. Not needed if there a single parent

This is a remnant from v4, thanks for spotting it.

Slava