From mboxrd@z Thu Jan 1 00:00:00 1970 From: Max Filippov Subject: [PATCH v2 2/4] net: ethoc: don't advertise gigabit speed on attached PHY Date: Wed, 29 Jan 2014 10:00:16 +0400 Message-ID: <1390975218-13863-3-git-send-email-jcmvbkbc@gmail.com> References: <1390975218-13863-1-git-send-email-jcmvbkbc@gmail.com> Cc: Chris Zankel , Marc Gauthier , "David S. Miller" , Ben Hutchings , Florian Fainelli , Max Filippov To: linux-xtensa@linux-xtensa.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Return-path: In-Reply-To: <1390975218-13863-1-git-send-email-jcmvbkbc@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org OpenCores 10/100 Mbps MAC does not support speeds above 100 Mbps, but does not disable advertisement when PHY supports them. This results in non-functioning network when the MAC is connected to a gigabit PHY connected to a gigabit switch. The fix is to disable gigabit speed advertisement on attached PHY unconditionally. Signed-off-by: Max Filippov --- Changes v1->v2: - disable both gigabit advertisement and support. drivers/net/ethernet/ethoc.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c index 4de8cfd..5643b2d 100644 --- a/drivers/net/ethernet/ethoc.c +++ b/drivers/net/ethernet/ethoc.c @@ -688,6 +688,14 @@ static int ethoc_mdio_probe(struct net_device *dev) } priv->phy = phy; + phy_update_advert(phy, + ADVERTISED_1000baseT_Full | + ADVERTISED_1000baseT_Half, 0); + phy_start_aneg(phy); + phy_update_supported(phy, + SUPPORTED_1000baseT_Full | + SUPPORTED_1000baseT_Half, 0); + return 0; } -- 1.8.1.4