Re: [PATCH] PCI, pciehp: Turn on link a while to workaround presense detection

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On Sun, Dec 8, 2013 at 1:29 PM, Rajat Jain <rajatjain@xxxxxxxxxxx> wrote:
>
> In fact things do get more complicated if we introduce link state based hot-plug, because then that requires that we do NOT disable the link permanently during power off. (Because we would want to receive future hot-plug link-up events).

is that out of spec?

Why do we need to use link state event with hotplug? What is attention
button doing?

Yinghai
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