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nfp: fail probe if serial or interface id is missing

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On some platforms with broken ACPI tables we may not have access
to the Serial Number PCIe capability.  This capability is crucial
for us for switchdev operation as we use serial number as switch ID,
and for communication with management FW where interface ID is used.

If we can't determine the Serial Number we have to fail device probe.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2018-06-29 17:04:35 -07:00 • committed by David S. Miller
commit 18aa5b180f
3 changed files with 28 additions and 14 deletions
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