K 10 svn:author V 5 gonzo K 8 svn:date V 27 2017-01-04T19:22:42.004351Z K 7 svn:log V 614 MFC r309822, r310375 r309822: [iwn] Perform BUS_DMASYNC_PREREAD when initializing RX buffer BUS_DMASYNC_PREREAD is required when setting up RX buffer, otherwise data provided by card can be overwritten by data evicted from cache Also use proper tag when setting up RX descriptor Reviewed by: adrian, avos, ivadasz Differential Revision: https://reviews.freebsd.org/D8717 r310375: [iwn] Several fixes for DMA part of iwn(4) - Perform DMS sync when accessing/initializing ICT table - Fix some DMA sync operations to use matching tags Reviewed by: avos Differential Revision: https://reviews.freebsd.org/D8804 END