netdev - [PATCH net-next] bgmac: reset cached MAC state during chip reset

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Date:	Wed, 11 Dec 2013 07:44:14 +0100
From:	Rafał Miłecki <zajec5@...il.com>
To:	netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>
Cc:	Hauke Mehrtens <hauke@...ke-m.de>,
	Rafał Miłecki <zajec5@...il.com>
Subject: [PATCH net-next] bgmac: reset cached MAC state during chip reset

Without this bgmac_adjust_link didn't know it should re-initialize MAC
state. This led to the MAC not working after if down & up routine.

Signed-off-by: Rafał Miłecki <zajec5@...il.com>
---
 drivers/net/ethernet/broadcom/bgmac.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index 055204e..5b5ac71 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -951,6 +951,8 @@ static void bgmac_chip_reset(struct bgmac *bgmac)
 			     BGMAC_CMDCFG_CFE |
 			     BGMAC_CMDCFG_SR,
 			     false);
+	bgmac->mac_speed = SPEED_UNKNOWN;
+	bgmac->mac_duplex = DUPLEX_UNKNOWN;
 
 	bgmac_clear_mib(bgmac);
 	if (core->id.id == BCMA_CORE_4706_MAC_GBIT)
-- 
1.7.10.4

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