Re: [PATCH v2] PM: add kernel parameter to disable asynchronous suspend/resume

[Randy Dunlap <rdunlap@infradead.org>]

Hi,

On 7/8/25 8:16 AM, Tudor Ambarus wrote:

> ---
>  Documentation/admin-guide/kernel-parameters.txt | 11 +++++++++++
>  kernel/power/main.c                             |  9 +++++++++
>  2 files changed, 20 insertions(+)
> 
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index f1f2c0874da9ddfc95058c464fdf5dabaf0de713..33ca6b881b1d77bdeea765b19291a90b2a82e8a3 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -5000,6 +5000,17 @@
>  			that number, otherwise (e.g., 'pmu_override=on'), MMCR1
>  			remains 0.
>  

This should be more like:


	pm_async=off	[PM]

or

> +	pm_async	[PM]

	pm_async=	[PM]
			Format: off


> +			If set to "off", disables asynchronous suspend and
> +			resume of devices during system-wide power transitions.
> +			This parameter sets the initial value of the
> +			/sys/power/pm_async sysfs knob at boot time.
> +			This can be useful on platforms where device
> +			dependencies are not well-defined, or for debugging
> +			power management issues. Defaults to "on" (asynchronous
> +			operations enabled).
> +
> +
>  	pm_debug_messages	[SUSPEND,KNL]
>  			Enable suspend/resume debug messages during boot up.


-- 
~Randy