liquidio: VF interrupt initialization cleanup

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Set initialization state variable to (reflect interrupt initialization) at
correct time (immediately after having configured interrupts).  This fixes
problem of inconsistent IRQ allocation in case of [obscure] failure when
negotiating with PF driver during init.

Clean-up of interrupt enablement during initialization & avoid potential
race condition with chip-specific code (i.e. perform interrupt control in
main driver module).  Added explanatory comments regarding interrupt
enablement.

Signed-off-by: Rick Farrington <ricardo.farrington@cavium.com>
Signed-off-by: Satanand Burla <satananda.burla@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Rick Farrington 2017-05-31 09:48:09 -07:00 • committed by David S. Miller

parent a97051f455

commit 4c1588a279

2 changed files with 17 additions and 12 deletions

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10

drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.c

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21

drivers/net/ethernet/cavium/liquidio/lio_vf_main.c

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