327b6dbd98
Backport qca8k mdio improvement patch merged upstream, where we use eth packet when available to send mdio commands. This should improve speed and cause less load on the CPU. Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
From e31dbd3b6aba585231cd84a87adeb22e7c6a8c19 Mon Sep 17 00:00:00 2001
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From: Vladimir Oltean <vladimir.oltean@nxp.com>
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Date: Thu, 6 Jan 2022 01:11:13 +0200
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Subject: [PATCH 2/6] net: dsa: merge rtnl_lock sections in dsa_slave_create
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Currently dsa_slave_create() has two sequences of rtnl_lock/rtnl_unlock
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in a row. Remove the rtnl_unlock() and rtnl_lock() in between, such that
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the operation can execute slighly faster.
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Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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net/dsa/slave.c | 4 +---
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1 file changed, 1 insertion(+), 3 deletions(-)
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diff --git a/net/dsa/slave.c b/net/dsa/slave.c
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index 88bcdba92fa7..22241afcac81 100644
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--- a/net/dsa/slave.c
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+++ b/net/dsa/slave.c
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@@ -2022,14 +2022,12 @@ int dsa_slave_create(struct dsa_port *port)
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}
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rtnl_lock();
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+
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ret = dsa_slave_change_mtu(slave_dev, ETH_DATA_LEN);
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- rtnl_unlock();
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if (ret && ret != -EOPNOTSUPP)
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dev_warn(ds->dev, "nonfatal error %d setting MTU to %d on port %d\n",
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ret, ETH_DATA_LEN, port->index);
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- rtnl_lock();
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-
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ret = register_netdevice(slave_dev);
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if (ret) {
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netdev_err(master, "error %d registering interface %s\n",
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--
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2.34.1
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