Re: [PATCH] PM: Hide CONFIG_PM from users

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On Tue, Feb 08, 2011 at 01:44:32AM +1100, Stephen Rothwell wrote:
> On Mon, 7 Feb 2011 14:18:29 +0000 Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

> > Do you mean that these systems require CONFIG_PM be turned off, or just
> > that people tend not to turn it on?  If the latter would you expect any
> > ill effects from doing so?

> I don't know the answer to either question without testing.  All I am
> saying is that currently the default for CONFIG_PM is "off" and you are
> changing it to be "on" and there may not have been any testing done of
> that in some situations.   We don't know where it was explicitly
> turned off any more since we shrank our defconfig files (which was done
> automatically) ... since it is off by default, it doesn't need to be
> mentioned in a defconfig unless it needs to be turned on.

My suspicion would be that it'll have been turned off by someone hitting
return through a config upgrade rather than through deliberate effort.
On the other hand if it is essential for some machines to have it
disabled they probably want to have somethnig in Kconfig.
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