From b49071770da25fc48b9976129e7468a253f7d5b4 Mon Sep 17 00:00:00 2001
From: Travis Geiselbrecht <geist@foobox.com>
Date: Thu, 7 May 2015 19:39:48 -0700
Subject: [PATCH] [zynq][gem] fix newly introduced bug setting up tx
 descriptors for the first time

Change-Id: I04b174fa9bde08b8a5a334bd33e049f8e445bb91
---
 platform/zynq/gem.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/platform/zynq/gem.c b/platform/zynq/gem.c
index 522084ee..0351535f 100644
--- a/platform/zynq/gem.c
+++ b/platform/zynq/gem.c
@@ -289,7 +289,8 @@ static status_t gem_cfg_buffer_descs(void)
 
     /* Claim ownership of TX descriptors for the driver */
     for (unsigned i = 0; i < GEM_TX_BUF_CNT; i++) {
-        gem.descs->tx_tbl[i].ctrl |= TX_DESC_USED;
+        gem.descs->tx_tbl[i].addr = 0;
+        gem.descs->tx_tbl[i].ctrl = TX_DESC_USED;
     }
 
     /* Both set of descriptors need wrap bits set at the end of their tables*/