On 15/03/2017 17:02, Bjorn Helgaas wrote: > If checking for link in your accessor is the best you can do, maybe > that's all you can do. I thought there was another driver that did > that, but I can't find it now. It doesn't seem perfectly safe to me, > since the link could go down after you check for "link up" and before > you actually issue the read. Are you thinking of some hotplug scenario? My system doesn't support hotplug, and I naively thought that the link would be down if there is no card, and up shortly after reset if there is a card. Regards.
