Hi Mark, On Mon, 7 Feb 2011 12:22:15 +0000 Mark Brown <broo...@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 s...@canb.auug.org.au http://www.canb.auug.org.au/~sfr/
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