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From: Tim Kientzle <kientzle@FreeBSD.org>
Date: Mon, 22 Oct 2012 02:28:48 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r241831 - head/sys/arm/ti/cpsw
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Author: kientzle
Date: Mon Oct 22 02:28:48 2012
New Revision: 241831
URL: http://svn.freebsd.org/changeset/base/241831

Log:
  Don't repeat the POSTREAD dma sync.

Modified:
  head/sys/arm/ti/cpsw/if_cpsw.c

Modified: head/sys/arm/ti/cpsw/if_cpsw.c
==============================================================================
--- head/sys/arm/ti/cpsw/if_cpsw.c	Mon Oct 22 02:12:20 2012	(r241830)
+++ head/sys/arm/ti/cpsw/if_cpsw.c	Mon Oct 22 02:28:48 2012	(r241831)
@@ -800,6 +800,7 @@ cpsw_intr_rx_locked(void *arg)
 		cpsw_write_4(CPSW_CPDMA_RX_CP(0), cpsw_cpdma_rxbd_paddr(i));
 
 		bus_dmamap_sync(sc->mbuf_dtag, sc->rx_dmamap[i], BUS_DMASYNC_POSTREAD);
+		bus_dmamap_unload(sc->mbuf_dtag, sc->rx_dmamap[i]);
 
 		/* Fill mbuf */
 		sc->rx_mbuf[i]->m_hdr.mh_data += bd.bufoff;
@@ -817,11 +818,6 @@ cpsw_intr_rx_locked(void *arg)
 			}
 		}
 
-		bus_dmamap_sync(sc->mbuf_dtag,
-		    sc->rx_dmamap[i],
-		    BUS_DMASYNC_POSTREAD);
-		bus_dmamap_unload(sc->mbuf_dtag, sc->rx_dmamap[i]);
-
 		/* Handover packet */
 		CPSW_RX_UNLOCK(sc);
 		(*ifp->if_input)(ifp, sc->rx_mbuf[i]);