On 8/6/2017 10:09 PM, Sinan Kaya wrote: > + pcie_capability_read_word(dev, PCI_EXP_RTCAP, &root_cap); > + if (root_cap & PCI_EXP_RTCAP_CRSVIS) { > + /* don't touch the HW before waiting 100ms */ > + msleep(100); This is obviously broken. I should have checked the capability on the root port. I was trying to get it out before Monday. However, I still want to hear about the preference of this methodology. -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.