Date: Sat, 7 Apr 2012 05:51:44 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r233990 - head/sys/dev/ath Message-ID: <201204070551.q375piQF045744@svn.freebsd.org>
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Author: adrian Date: Sat Apr 7 05:51:43 2012 New Revision: 233990 URL: http://svn.freebsd.org/changeset/base/233990 Log: Do a dma sync before the descriptors are chained together. I need to find a better place to do this.. Modified: head/sys/dev/ath/if_ath_tx.c Modified: head/sys/dev/ath/if_ath_tx.c ============================================================================== --- head/sys/dev/ath/if_ath_tx.c Sat Apr 7 05:48:26 2012 (r233989) +++ head/sys/dev/ath/if_ath_tx.c Sat Apr 7 05:51:43 2012 (r233990) @@ -322,6 +322,7 @@ ath_tx_chaindesclist(struct ath_softc *s ds->ds_ctl0, ds->ds_ctl1, ds->ds_hw[0], ds->ds_hw[1]); bf->bf_lastds = ds; } + bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap, BUS_DMASYNC_PREWRITE); } /* @@ -372,6 +373,8 @@ ath_tx_chaindesclist_subframe(struct ath __func__, i, ds->ds_link, ds->ds_data, ds->ds_ctl0, ds->ds_ctl1, ds->ds_hw[0], ds->ds_hw[1]); bf->bf_lastds = ds; + bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap, + BUS_DMASYNC_PREWRITE); } }
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