Re: [PATCH v1 5/7] clocksource/drivers/stm: Add module owner

[William McVicker <willmcvicker@google.com>]

On 06/02/2025, Daniel Lezcano wrote:
> The conversion to modules requires a correct handling of the module
> refcount in order to prevent to unload it if it is in use. That is
> especially true with the clockevents where there is no function to
> unregister them.
> 
> The core time framework correctly handles the module refcount with the
> different clocksource and clockevents if the module owner is set.
> 
> Add the module owner to make sure the core framework will prevent
> stupid things happening when the driver will be converted into a
> module.
> 
> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

Reviewed-by: Will McVicker <willmcvicker@google.com>

Thanks,
Will

> ---
>  drivers/clocksource/timer-nxp-stm.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/clocksource/timer-nxp-stm.c b/drivers/clocksource/timer-nxp-stm.c
> index d7ccf9001729..bbc40623728f 100644
> --- a/drivers/clocksource/timer-nxp-stm.c
> +++ b/drivers/clocksource/timer-nxp-stm.c
> @@ -201,6 +201,7 @@ static int __init nxp_stm_clocksource_init(struct device *dev, struct stm_timer
>  	stm_timer->cs.resume = nxp_stm_clocksource_resume;
>  	stm_timer->cs.mask = CLOCKSOURCE_MASK(32);
>  	stm_timer->cs.flags = CLOCK_SOURCE_IS_CONTINUOUS;
> +	stm_timer->cs.owner = THIS_MODULE;
>  
>  	ret = clocksource_register_hz(&stm_timer->cs, stm_timer->rate);
>  	if (ret)
> @@ -314,6 +315,7 @@ static int __init nxp_stm_clockevent_per_cpu_init(struct device *dev, struct stm
>  	stm_timer->ced.cpumask = cpumask_of(cpu);
>  	stm_timer->ced.rating = 460;
>  	stm_timer->ced.irq = irq;
> +	stm_timer->ced.owner = THIS_MODULE;
>  
>  	per_cpu(stm_timers, cpu) = stm_timer;
>  
> -- 
> 2.43.0
>