On 5/25/2016 1:50 PM, Bjorn Helgaas wrote: >> > You are saying that it is OK to enable L0s on just one side of the >> > link as long as both sides support L0s. > I'm not sure what you mean by the link parameters not being > compatible, but I think it is legal to enable L0s on only one > direction. I'm talking about L0s acceptable and entry latency times used to determine when L0s can be enabled. > >> > This part is a little bit misleading. I had HW people telling me >> > that both sides need to enable L0s at about the same time. > I don't remember seeing anything like that in the spec. Do they have > a pointer? "At about the same time" is too hand-wavey to be useful to > software. > OK. Let me do some more push back. I wanted to understand the OS behavior and its reasoning. Your answers are sufficient. -- Sinan Kaya Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc. Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html