Messages in this thread | | | Subject | Re: [PATCH V2 3/7] PCI: make pci_flr_wait() generic and rename to pci_dev_wait() | From | Sinan Kaya <> | Date | Tue, 2 Jan 2018 10:47:56 -0500 |
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On 12/13/2017 5:43 PM, Bjorn Helgaas wrote: >> + >> + /* >> + * Per PCIe r3.1, sec 6.6.2, a device must complete an FLR within > I think this should reference the "Advanced Capabilities for > Conventional PCI" ECN, shouldn't it? The one I see is dated 13 April > 2006, updated 27 July 2006, and I don't see a PCI spec that includes > it.
I'll add reference to PCI spec as well. Any other comments on the series?
> >> + * 100ms, but may silently discard requests while the FLR is in >> + * progress. Wait 100ms before trying to access the device. >> + */ >> + msleep(100); >> + >> + return pci_dev_wait(dev, "AF_FLR", PCIE_RESET_READY_POLL_MS); > CRS is not applicable to conventional PCI. The ECN mentions waiting > 100ms. I don't see anything about polling after that, but I guess it > probably doesn't hurt anything.
ok, I'll keep it as it is.
> >> }
-- 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.
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