Re: [PATCH] ACPI: Adjust the return value of _REV on x86

From: Matthew Garrett
Date: Mon Mar 16 2015 - 17:01:49 EST


On Mon, Mar 16, 2015 at 02:34:24PM -0600, Al Stone wrote:

> More a philosophical question -- the patch seems fine to me, personally, and
> for arm64, we have to have >= 5 anyway -- but would it make sense to just not
> acknowledge _REV and deprecate it from the kernel and the spec? I'm already
> trying to get rid of _OSI because of such silliness and force requests to _OSC
> where they should be (granted, it will take some time...).

A bunch of systems verify that _REV returns >= 2 and change EC behaviour
based on that, so killing it in the near term is unfortunately probably
not an option.

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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