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net/enic: re-enable link status change interrupt
[ upstream commit 8bac78f ] When INTx is used, the interrupt handler needs to explicitly re-enable interrupt in order to receive another one in future. The LSC interrupt handler currently does not, and the link state never gets updated when INTx is used (e.g. uio_pci_generic). Call rte_intr_ack() at the end of the handler, to re-enable INTx. Fixes: fefed3d ("enic: new driver") Signed-off-by: Hyong Youb Kim <hyonkim@cisco.com> Reviewed-by: John Daley <johndale@cisco.com>
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