From owner-svn-src-all@freebsd.org Wed Dec 21 22:35:28 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4F88FC8ACB9; Wed, 21 Dec 2016 22:35:28 +0000 (UTC) (envelope-from gonzo@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 0506F1E94; Wed, 21 Dec 2016 22:35:27 +0000 (UTC) (envelope-from gonzo@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id uBLMZRhD093010; Wed, 21 Dec 2016 22:35:27 GMT (envelope-from gonzo@FreeBSD.org) Received: (from gonzo@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id uBLMZRkq093009; Wed, 21 Dec 2016 22:35:27 GMT (envelope-from gonzo@FreeBSD.org) Message-Id: <201612212235.uBLMZRkq093009@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: gonzo set sender to gonzo@FreeBSD.org using -f From: Oleksandr Tymoshenko Date: Wed, 21 Dec 2016 22:35:27 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r310375 - head/sys/dev/iwn X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Dec 2016 22:35:28 -0000 Author: gonzo Date: Wed Dec 21 22:35:26 2016 New Revision: 310375 URL: https://svnweb.freebsd.org/changeset/base/310375 Log: [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 MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D8804 Modified: head/sys/dev/iwn/if_iwn.c Modified: head/sys/dev/iwn/if_iwn.c ============================================================================== --- head/sys/dev/iwn/if_iwn.c Wed Dec 21 22:04:44 2016 (r310374) +++ head/sys/dev/iwn/if_iwn.c Wed Dec 21 22:35:26 2016 (r310375) @@ -2120,6 +2120,9 @@ iwn5000_ict_reset(struct iwn_softc *sc) memset(sc->ict, 0, IWN_ICT_SIZE); sc->ict_cur = 0; + bus_dmamap_sync(sc->ict_dma.tag, sc->ict_dma.map, + BUS_DMASYNC_PREWRITE); + /* Set physical address of ICT table (4KB aligned). */ DPRINTF(sc, IWN_DEBUG_RESET, "%s: enabling ICT\n", __func__); IWN_WRITE(sc, IWN_DRAM_INT_TBL, IWN_DRAM_INT_TBL_ENABLE | @@ -4100,6 +4103,8 @@ iwn_intr(void *arg) /* Read interrupts from ICT (fast) or from registers (slow). */ if (sc->sc_flags & IWN_FLAG_USE_ICT) { + bus_dmamap_sync(sc->ict_dma.tag, sc->ict_dma.map, + BUS_DMASYNC_POSTREAD); tmp = 0; while (sc->ict[sc->ict_cur] != 0) { tmp |= sc->ict[sc->ict_cur]; @@ -4635,7 +4640,7 @@ iwn_tx_data(struct iwn_softc *sc, struct } bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); - bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, + bus_dmamap_sync(ring->cmd_dma.tag, ring->cmd_dma.map, BUS_DMASYNC_PREWRITE); bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, BUS_DMASYNC_PREWRITE); @@ -4828,7 +4833,7 @@ iwn_tx_data_raw(struct iwn_softc *sc, st } bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); - bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, + bus_dmamap_sync(ring->cmd_dma.tag, ring->cmd_dma.map, BUS_DMASYNC_PREWRITE); bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map, BUS_DMASYNC_PREWRITE); @@ -5161,7 +5166,7 @@ iwn_cmd(struct iwn_softc *sc, int code, bus_dmamap_sync(ring->data_dmat, data->map, BUS_DMASYNC_PREWRITE); } else { - bus_dmamap_sync(ring->data_dmat, ring->cmd_dma.map, + bus_dmamap_sync(ring->cmd_dma.tag, ring->cmd_dma.map, BUS_DMASYNC_PREWRITE); } bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,