[PATCH V2 3/7] PCI: make pci_flr_wait() generic and rename to pci_dev_wait()
okaya at codeaurora.org
Tue Jan 2 07:47:56 PST 2018
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
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.
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