Re: [PATCH 2/5] pciehp: Don't enable presence notification while surprise removal is not supported.

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On Wed, Jul 11, 2012 at 11:15 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote:
>
> What's the connection with HP_SUPR_RM()?  Is it just a coincidence
> that chipsets that set the "Hot-Plug Surprise" bit don't have this
> problem with the Presence Detect State bit?
>
> Using HP_SUPR_RM() seems like a totally bogus way to work around a
> presence detect issue.

then we should blame the spec.

and if you do the above changing, when plug the card into system,
kernel will bring that card online automatically without press
attention button.
that will be big change.

Thanks

Yinghai
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