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git://projects.qi-hardware.com/openwrt-xburst.git
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d1f448b466
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31335 3c298f89-4303-0410-b956-a3cf2f4a3e73
63 lines
1.9 KiB
Diff
63 lines
1.9 KiB
Diff
From 2bad6512b242b3b5f41414a830d7224d504d0825 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Tue, 15 Nov 2011 14:52:21 +0100
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Subject: [PATCH 19/73] NET: MIPS: lantiq: non existing phy was not handled
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gracefully
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The code blindly assumed that that a PHY device was present causing a BadVA.
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In addition the driver should not fail to load incase no PHY was found.
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Instead we print the following line and continue with no attached PHY.
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etop: mdio probe failed
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Signed-off-by: John Crispin <blogic@openwrt.org>
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Cc: netdev@vger.kernel.org
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---
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drivers/net/ethernet/lantiq_etop.c | 14 ++++++++------
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1 files changed, 8 insertions(+), 6 deletions(-)
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--- a/drivers/net/ethernet/lantiq_etop.c
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+++ b/drivers/net/ethernet/lantiq_etop.c
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@@ -612,7 +612,8 @@ ltq_etop_open(struct net_device *dev)
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ltq_dma_open(&ch->dma);
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napi_enable(&ch->napi);
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}
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- phy_start(priv->phydev);
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+ if (priv->phydev)
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+ phy_start(priv->phydev);
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netif_tx_start_all_queues(dev);
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return 0;
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}
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@@ -624,7 +625,8 @@ ltq_etop_stop(struct net_device *dev)
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int i;
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netif_tx_stop_all_queues(dev);
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- phy_stop(priv->phydev);
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+ if (priv->phydev)
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+ phy_stop(priv->phydev);
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for (i = 0; i < MAX_DMA_CHAN; i++) {
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struct ltq_etop_chan *ch = &priv->ch[i];
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@@ -770,9 +772,10 @@ ltq_etop_init(struct net_device *dev)
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if (err)
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goto err_netdev;
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ltq_etop_set_multicast_list(dev);
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- err = ltq_etop_mdio_init(dev);
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- if (err)
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- goto err_netdev;
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+ if (!ltq_etop_mdio_init(dev))
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+ dev->ethtool_ops = <q_etop_ethtool_ops;
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+ else
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+ pr_warn("etop: mdio probe failed\n");;
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return 0;
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err_netdev:
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@@ -868,7 +871,6 @@ ltq_etop_probe(struct platform_device *p
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dev = alloc_etherdev_mq(sizeof(struct ltq_etop_priv), 4);
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strcpy(dev->name, "eth%d");
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dev->netdev_ops = <q_eth_netdev_ops;
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- dev->ethtool_ops = <q_etop_ethtool_ops;
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priv = netdev_priv(dev);
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priv->res = res;
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priv->pldata = dev_get_platdata(&pdev->dev);
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