K 10
svn:author
V 4
avos
K 8
svn:date
V 27
2017-03-26T16:46:39.029623Z
K 7
svn:log
V 290
iwn: drop unneeded bus_dmamap_sync() calls.

1) They are using wrong tag (Tx) + map (Rx) combination.
2) Rx descriptor is already synchronized in iwn_notif_intr()
3) It's not needed for transmitted data since device does not change
mbuf contents.

Tested with Intel 6205 (amd64), STA mode.

END