[PATCH v1 2/7] clocksource/drivers/stm32-lp: Add module owner
William McVicker
willmcvicker at google.com
Tue Jun 3 10:54:34 PDT 2025
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 at linaro.org>
Reviewed-by: Will McVicker <willmcvicker at google.com>
Thanks,
Will
> ---
> drivers/clocksource/timer-stm32-lp.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/clocksource/timer-stm32-lp.c b/drivers/clocksource/timer-stm32-lp.c
> index 928da2f6de69..cf1423ca00d0 100644
> --- a/drivers/clocksource/timer-stm32-lp.c
> +++ b/drivers/clocksource/timer-stm32-lp.c
> @@ -159,6 +159,7 @@ static void stm32_clkevent_lp_init(struct stm32_lp_private *priv,
> priv->clkevt.rating = STM32_LP_RATING;
> priv->clkevt.suspend = stm32_clkevent_lp_suspend;
> priv->clkevt.resume = stm32_clkevent_lp_resume;
> + priv->clkevt.owner = THIS_MODULE;
>
> clockevents_config_and_register(&priv->clkevt, rate, 0x1,
> STM32_LPTIM_MAX_ARR);
> --
> 2.43.0
>
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