Edward Cree says:
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sfc: prevent bogus interrupt-mode fallbacks
EF10 VFs only support MSI-X interrupts, not MSI or legacy. This series
stops the probe logic from trying to fallback to those if MSI-X interrupt
probe fails. It also prevents selecting them with the interrupt_mode
module parameter.
This avoids producing messages like "failed to hook legacy IRQ 0" and "IRQ
handler type mismatch for IRQ 0", and ensures that the relevant error
(from the attempt to enable MSI-X) is reported to the caller.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>