From mboxrd@z Thu Jan 1 00:00:00 1970 From: Max Filippov Subject: [PATCH 1/3] net: ethoc: don't advertise gigabit speed on attached PHY Date: Mon, 27 Jan 2014 07:59:25 +0400 Message-ID: <1390795167-6677-2-git-send-email-jcmvbkbc@gmail.com> References: <1390795167-6677-1-git-send-email-jcmvbkbc@gmail.com> Return-path: In-Reply-To: <1390795167-6677-1-git-send-email-jcmvbkbc@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-xtensa@linux-xtensa.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Chris Zankel , Marc Gauthier , "David S. Miller" , Grant Likely , Rob Herring , Max Filippov List-Id: devicetree@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 --- drivers/net/ethernet/ethoc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c index 4de8cfd..0aa1a05 100644 --- a/drivers/net/ethernet/ethoc.c +++ b/drivers/net/ethernet/ethoc.c @@ -712,6 +712,8 @@ static int ethoc_open(struct net_device *dev) netif_start_queue(dev); } + priv->phy->advertising &= ~(ADVERTISED_1000baseT_Full | + ADVERTISED_1000baseT_Half); phy_start(priv->phy); napi_enable(&priv->napi); -- 1.8.1.4