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

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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>

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Dave Olson 2008-04-16 21:09:30 -07:00 • committed by Roland Dreier

parent 0ab6b2b9ab

commit 1d7c2e529f

3 changed files with 45 additions and 1 deletions

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23

drivers/infiniband/hw/ipath/ipath_file_ops.c

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22

drivers/infiniband/hw/ipath/ipath_init_chip.c

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1

drivers/infiniband/hw/ipath/ipath_kernel.h

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