From efc0a82aa810cf3c37505cf3c753ad6f1cf33572 Mon Sep 17 00:00:00 2001
From: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Date: Fri, 21 Jun 2013 17:59:52 +0200
Subject: [PATCH] net: fec: Fix multicast list setup in fec_restart().

Setup the multicast list of the net_device instead of
clearing it blindly. This restores the multicast groups
in case of a link down/up event or when resuming from
suspend.

Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
---
 drivers/net/ethernet/freescale/fec_main.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index d48099f..4c32709 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -60,6 +60,8 @@
 
 #include "fec.h"
 
+static void set_multicast_list(struct net_device *ndev);
+
 #if defined(CONFIG_ARM)
 #define FEC_ALIGNMENT	0xf
 #else
@@ -471,9 +473,8 @@ fec_restart(struct net_device *ndev, int duplex)
 	/* Clear any outstanding interrupt. */
 	writel(0xffc00000, fep->hwp + FEC_IEVENT);
 
-	/* Reset all multicast.	*/
-	writel(0, fep->hwp + FEC_GRP_HASH_TABLE_HIGH);
-	writel(0, fep->hwp + FEC_GRP_HASH_TABLE_LOW);
+	/* Setup multicast filter. */
+	set_multicast_list(ndev);
 #ifndef CONFIG_M5272
 	writel(0, fep->hwp + FEC_HASH_TABLE_HIGH);
 	writel(0, fep->hwp + FEC_HASH_TABLE_LOW);
-- 
1.7.4.1

