Re: [RFC][PATCH 2/2] ACPI PM: Add possibility to change suspend sequence

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Hi!

> Index: linux-2.6/Documentation/kernel-parameters.txt
> ===================================================================
> --- linux-2.6.orig/Documentation/kernel-parameters.txt
> +++ linux-2.6/Documentation/kernel-parameters.txt
> @@ -157,6 +157,11 @@ and is between 256 and 4096 characters. 
>  			default: The hardware signature is checked during
>  			         resume from S4.
>  
> +	acpi_old_suspend_ordering [HW,ACPI] ACPI suspend ordering
> +			Enforce the ACPI 1.0 ordering of the _PTS control
> +			method wrt putting devices into low power states
> +			default: ACPI 2.0 ordering of _PTS
> +
>  	acpi_sci=	[HW,ACPI] ACPI System Control Interrupt trigger mode
>  			Format: { level | edge | high | low }
>

Hmm, I have a wild idea...

acpi_sleep=old_ordering

...and reuse the same variable we already use for
s3_bios/s3_mode. Then, we'd be able to blacklist the systems needing
old_ordering from s2ram...

I guess this whitelist should better be done in kernel, but short-term
ability to whitelist from userland could not hurt...?

									Pavel

-- 
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