Hi Andy,
Le lundi 17 juillet 2023 à 20:28 +0300, Andy Shevchenko a écrit :
> _DEFINE_DEV_PM_OPS() helps to define PM operations for the system
> sleep
> and/or runtime PM cases. Some of the existing users want to have
> _noirq()
> variants to be set. For that purpose introduce a new helper which
> sets
> up _noirq() callbacks to be set and struct dev_pm_ops be provided.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> include/linux/pm.h | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/include/linux/pm.h b/include/linux/pm.h
> index badad7d11f4f..0f19af8d5493 100644
> --- a/include/linux/pm.h
> +++ b/include/linux/pm.h
> @@ -448,6 +448,15 @@ const struct dev_pm_ops __maybe_unused name = {
> \
> SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
> }
>
> +/*
> + * Use this if you want to have the suspend and resume callbacks be
> called
> + * with disabled IRQs.
with disabled IRQs -> with IRQs disabled?
I'm not really sure that we need this macro, but I don't really object
either. As long as it has callers I guess it's fine, I just don't want
<linux/pm.h> to become too bloated and confusing.
Anyway:
Reviewed-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
Cheers,
-Paul
> + */
> +#define DEFINE_NOIRQ_DEV_PM_OPS(name, suspend_fn, resume_fn) \
> +const struct dev_pm_ops name = { \
> + NOIRQ_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
> +}
> +
> #define pm_ptr(_ptr) PTR_IF(IS_ENABLED(CONFIG_PM), (_ptr))
> #define pm_sleep_ptr(_ptr) PTR_IF(IS_ENABLED(CONFIG_PM_SLEEP),
> (_ptr))
>
