nfp: handle SR-IOV already enabled when driver is probing

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We assumed that when we probe number of enabled VFs will be at 0.
This doesn't have to be the case for example if previous driver left
SR-IOV enabled due to some VFs being assigned.  Read the number of VFs
enabled.  Fail probe if it's above current FWs limit.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Jakub Kicinski 2017-06-27 00:50:25 -07:00 • committed by David S. Miller

parent 168c478e10

commit 0dc7862191

1 changed files with 8 additions and 0 deletions

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drivers/net/ethernet/netronome/nfp/nfp_main.c

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