On 7/11/2017 3:58 PM, Bjorn Helgaas wrote: > I'm trying to avoid pci_walk_bus() because it's such a minefield as > far as hot-added devices. I don't think we can avoid one in the > quirk, to turn off extended tags for any devices we've already found, > but I think we *can* avoid adding more i Jike Song asked what if you attach a PCIe endpoint that has an extended tags quirk to think about the reverse direction. That's why, I was walking the entire bus. We can maybe hold onto putting such a generic code until such a device with quirk actually shows up. I'll pull your suggestion into a patch, give it a try and then post the next version. -- 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.
