Re: Changes to PM layer break userspace

[David Brownell]

On Tuesday 19 December 2006 7:43 pm, Matthew Garrett wrote:

> > Do you have an alternate solution?
> 
> How about something like this? Entirely untested, but I think it shows 
> the basic idea.

Other than indentation/whitespace bugs, it seems to encapsulate the
layering violation needed to get those deprecated files working again
for PCI (and platform_bus).   I'd rename the new bus method though;
maybe "pm_has_noirq_stage()" or somesuch.  Your name is so generic that
it'd be a surprise if the answer were ever "no"!

You should also list this new call in the feature-removal.txt entry for
stuff that gets removed with /sys/devices/.../power/state files, since
it's another mechanism that only exists to prop up that broken API,
and should vanish at the same time that API does.

- Dave

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