IB/qib: Avoid duplicate writes to the rcv head register

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Avoid duplicate writes to the head register as this can lead to lost
interrupts if the context goes full before the second write is done.

Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

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Mike Marciniszyn 2011-01-10 17:42:21 -08:00 • committed by Roland Dreier

parent e706203c7c

commit aa7374ac19

1 changed files with 9 additions and 1 deletions

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drivers/infiniband/hw/qib/qib_driver.c

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