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From: Luiz Otavio O Souza <loos@FreeBSD.org>
Date: Mon, 6 Jul 2015 17:13:18 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r285211 - head/sys/dev/dwc
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Author: loos
Date: Mon Jul  6 17:13:17 2015
New Revision: 285211
URL: https://svnweb.freebsd.org/changeset/base/285211

Log:
  When initializing the (unused) TX descriptors it is not necessary set the
  chain bit.
  
  Obtained from:	NetBSD

Modified:
  head/sys/dev/dwc/if_dwc.c

Modified: head/sys/dev/dwc/if_dwc.c
==============================================================================
--- head/sys/dev/dwc/if_dwc.c	Mon Jul  6 16:50:19 2015	(r285210)
+++ head/sys/dev/dwc/if_dwc.c	Mon Jul  6 17:13:17 2015	(r285211)
@@ -898,10 +898,8 @@ setup_dma(struct dwc_softc *sc)
 	}
 
 	for (idx = 0; idx < TX_DESC_COUNT; idx++) {
-		sc->txdesc_ring[idx].tdes0 = DDESC_TDES0_TXCHAIN;
-		sc->txdesc_ring[idx].tdes1 = 0;
 		nidx = next_txidx(sc, idx);
-		sc->txdesc_ring[idx].addr_next = sc->txdesc_ring_paddr + \
+		sc->txdesc_ring[idx].addr_next = sc->txdesc_ring_paddr +
 		    (nidx * sizeof(struct dwc_hwdesc));
 	}