tree 15bb2a68280fbefeca12ef1db4c47e9f0d386e86
parent 0ab6b2b9abb692919902edb6606c3b898f2dac17
author Dave Olson <dave.olson@qlogic.com> 1208405370 -0700
committer Roland Dreier <rolandd@cisco.com> 1208405370 -0700

IB/ipath: Enable reduced PIO update for HCAs that support it.

Newer HCAs have a threshold counter to reduce the number of DMAs the
chip makes to update the PIO buffer availability status bits.  This
patch enables the feature.

Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>