Messages in this thread | | | From | <> | Subject | Re: [PATCH] PCI: pciehp: Do not turn off slot if presence comes up after link | Date | Thu, 14 Feb 2019 19:26:28 +0000 |
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On 2/14/19 1:01 AM, Lukas Wunner wrote: > On Wed, Feb 13, 2019 at 06:55:46PM +0000, Alex_Gagniuc@Dellteam.com wrote: >> On 2/13/19 2:36 AM, Lukas Wunner wrote: >>>> (*) A bit hypothetical: There is no hardware yet implementing the ECN. >>> >>> Hm, this contradicts Austin Bolen's e-mail of Jan 25 that "Yes, this >>> platform disables in-band presence" (when asked whether your host >>> controller already adheres to the ECN). >> >> Both statements are true. The hardware does indeed disable in-band >> presence, in a rudimentary way that is not compliant with the ECN -- it >> doesn't implement the bits required by the ECN. > > Ugh, can a BIOS update make those machines compliant to the ECN
No, that is not possible, I'm told.
> or do we need a quirk specifically for them?
We might have to.
> It should match the spec, which I have no access to.
I am as irritated as you that the spec is not readily available for public viewing.
Cheers, Alex
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