[ltp] Re: [PATCH] {RFC} iwlagn: make 'broken' powersaving a module parameter for 3945/4965

[Robert Tomsick]

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On Fri, 2010-03-26 at 22:21 -0400, Stefan Monnier wrote:
> > A while back Tino Keitel posted a patch which could re-enable the
> > powersaving features of the Intel WiFi 4965 cards.  As some of you may
> > know, the driver's powersaving code was found to be buggy and was
> > disabled in one of the recent 2.6.3x kernels (I forget which one).  As
> > it turns out it's not too bad -- IIRC it doesn't handle suspend/resume
> > properly, but works fine otherwise.
>=20
> IIUC the problem is that there is now new power management code that
> changes the power-ssaving level dynamically, and that's the one that
> causes problem.  So IIUC the problem will show up even if you don't
> suspend/resume.
> OTOH, I have posted a feature-request to get back the old "static"
> power-management on those cards where the new code needs to be disabled.

Hm.  I've been using the broken power management for about a month now,
and I can't say I've noticed any problems.

TBH, even if it did have issues I'd probably still use it, since it
produces a sizable decrease in power consumption.




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