net/mlx4_core: Cleanup FMR unmapping flow

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Remove redundant and not essential operations in fmr unmap/free.
According to device spec, in FMR unmap it is sufficient to set
ownership bit to SW. This allows remapping afterwards.

Fixes: 8ad11fb6b0 ("IB/mlx4: Implement FMRs")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Tariq Toukan 2017-12-28 16:26:10 +02:00 • committed by David S. Miller

parent dc484851ed

commit fd4a3e2828

1 changed files with 21 additions and 19 deletions

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42

drivers/net/ethernet/mellanox/mlx4/mr.c

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