Re: [ath5k-devel] [PATCH v2] ath5k: disable ASPM

From: Matthew Garrett
Date: Tue Jun 22 2010 - 12:32:18 EST


On Mon, Jun 21, 2010 at 01:39:07PM -0700, Luis R. Rodriguez wrote:
> Last I reviewed CONFIG_PCIEASPM won't buy you *anything* other than
> debugging knobs. With it you can force all devices to enable ASPM
> completely on or disable it. Both of which I think are not really
> useful and instead should be done in userspace given that if you are
> testing ASPM you likely want to test only one one device and its
> respective root complex, not all at the same time.

It buys you enabling of ASPM on devices that the BIOS hasn't configured,
which is legitimate and useful.

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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