netdev - [PATCH][net-next] gianfar: Restore promisc mode on gfar_init

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Date:	Wed, 23 Jan 2013 12:18:36 +0200
From:	Claudiu Manoil <claudiu.manoil@...escale.com>
To:	<netdev@...r.kernel.org>
CC:	Claudiu Manoil <claudiu.manoil@...escale.com>,
	Voncken C Acksys <cedric.voncken@...sys.fr>
Subject: [PATCH][net-next] gianfar: Restore promisc mode on gfar_init_mac()

Reactivate promiscuous mode in H/W upon gfar_init_mac(), if the
net dev requires it (IFF_PROMISC flag set).
This way the promisc mode is preserved accross device reset conditions
like tx timeout, device restore, a.s.o.

Signed-off-by: Voncken C Acksys <cedric.voncken@...sys.fr>
Signed-off-by: Claudiu Manoil <claudiu.manoil@...escale.com>
---
 drivers/net/ethernet/freescale/gianfar.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index bffb2ed..e765b9b 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -355,6 +355,10 @@ static void gfar_init_mac(struct net_device *ndev)
 		gfar_write(&regs->rir0, DEFAULT_RIR0);
 	}
 
+	/* Restore PROMISC mode */
+	if (ndev->flags & IFF_PROMISC)
+		rctrl |= RCTRL_PROM;
+
 	if (ndev->features & NETIF_F_RXCSUM)
 		rctrl |= RCTRL_CHECKSUMMING;
 
-- 
1.6.6


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