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1e95f9b3ea
* Fix some bugs in the driver * Add missing clock and reset references in dts * Rename mdio-bus to mdio so the driver find it Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
46 lines
1.2 KiB
Diff
46 lines
1.2 KiB
Diff
From 2f8c5a68d0030ae5e65fca1bf5ca44929d5b3b06 Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Mon, 17 Feb 2020 23:50:23 +0100
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Subject: [PATCH 2/3] ag71xx: Call ag71xx_hw_disable() in case phy_conenct
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fails
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When the ag71xx_phy_connect() failed only parts of the actions done
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previously in this function wrere reverted, because only
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ag71xx_rings_cleanup() was called. My system crashed the next time
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open() was called because napi_disable() was not called again and this
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resulted in two calls to napi_enable(), which is not allowed.
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Fix this by disabling the device again.
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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Fixes: d51b6ce441d3 ("net: ethernet: add ag71xx driver")
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---
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drivers/net/ethernet/atheros/ag71xx.c | 8 ++++----
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1 file changed, 4 insertions(+), 4 deletions(-)
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--- a/drivers/net/ethernet/atheros/ag71xx.c
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+++ b/drivers/net/ethernet/atheros/ag71xx.c
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@@ -1263,18 +1263,18 @@ static int ag71xx_open(struct net_device
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ret = ag71xx_hw_enable(ag);
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if (ret)
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- goto err;
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+ return ret;
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ret = ag71xx_phy_connect(ag);
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if (ret)
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- goto err;
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+ goto err_hw_disable;
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phy_start(ndev->phydev);
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return 0;
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-err:
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- ag71xx_rings_cleanup(ag);
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+err_hw_disable:
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+ ag71xx_hw_disable(ag);
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return ret;
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}
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