[PATCH] PM: Hide CONFIG_PM from users

[Stephen Rothwell]

Hi Mark,

On Mon,  7 Feb 2011 12:22:15 +0000 Mark Brown <broonie at opensource.wolfsonmicro.com> wrote:
>
> diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
> index 2657299..99e3c52 100644
> --- a/kernel/power/Kconfig
> +++ b/kernel/power/Kconfig
> @@ -1,23 +1,6 @@
>  config PM
> -	bool "Power Management support"
> -	depends on !IA64_HP_SIM
> -	---help---
> -	  "Power Management" means that parts of your computer are shut
> -	  off or put into a power conserving "sleep" mode if they are not
> -	  being used.  There are two competing standards for doing this: APM
> -	  and ACPI.  If you want to use either one, say Y here and then also
> -	  to the requisite support below.
> -
> -	  Power Management is most important for battery powered laptop
> -	  computers; if you have a laptop, check out the Linux Laptop home
> -	  page on the WWW at <http://www.linux-on-laptops.com/> or
> -	  Tuxmobil - Linux on Mobile Computers at <http://www.tuxmobil.org/>
> -	  and the Battery Powered Linux mini-HOWTO, available from
> -	  <http://www.tldp.org/docs.html#howto>.
> -
> -	  Note that, even if you say N here, Linux on the x86 architecture
> -	  will issue the hlt instruction if nothing is to be done, thereby
> -	  sending the processor to sleep and saving power.
> +	bool
> +	default y if !IA64_HP_SIM

Several powerpc configs have CONFIG_PM (implicitly) disabled (e.g. the
server configs), so this will unexpectedly turn it on for them.

-- 
Cheers,
Stephen Rothwell                    sfr at canb.auug.org.au
http://www.canb.auug.org.au/~sfr/
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