Re: [PATCH]: ACPI: Skip the power state check in power transition

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On Monday 11 May 2009 11:27:40 pm yakui_zhao wrote:
> From: Zhao Yakui <yakui.zhao@xxxxxxxxx>
> 
> Skip the power state check in course of power transition by changing the
> default value of acpi_power_nocheck to 1. If so, it is unnecessary to add the
> boot option of "acpi.power_nocheck=1" or add it into DMI power check table to
> skip the power state check.
> 
> Of course the power state check still can be enabled by adding the boot option
> of "acpi.power_nocheck=0".

What is the value of keeping the "acpi.power_nocheck" option at all?

If we can get along without it, it'd be nice to just remove the
whole thing.

Bjorn

> Index: linux-2.6/drivers/acpi/power.c
> ===================================================================
> --- linux-2.6.orig/drivers/acpi/power.c	2009-04-16 16:10:24.000000000 +0800
> +++ linux-2.6/drivers/acpi/power.c	2009-05-12 13:12:27.000000000 +0800
> @@ -54,7 +54,7 @@
>  #define ACPI_POWER_RESOURCE_STATE_ON	0x01
>  #define ACPI_POWER_RESOURCE_STATE_UNKNOWN 0xFF
>  
> -int acpi_power_nocheck;
> +int acpi_power_nocheck = 1;
>  module_param_named(power_nocheck, acpi_power_nocheck, bool, 000);
>  
>  static int acpi_power_add(struct acpi_device *device);
> 
> 
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