Re; [RFC v6] PCI: Set PCI-E Max Payload Size on fabric

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The latest patch still doesn't work on my system.. I keep getting a
'Failed attempting to set the MPS' on many of the PCIE devices.

it is failing in pcie_set_mps():

v = (ffs(mps - 8) << 5;
if (v > dev->pcie_mpss)
   goto out;

The pcie_mpss is 0..7 but the v is 128,256,512,etc.  So this always fails.
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