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sh_eth: remove useless serialization in sh_eth_get_link_ksettings() 

phy_ethtool_ksettings_get() call does not modify device state or device
driver state, hence there is no need to utilize a driver specific
spinlock.

Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Zapolskiy 2018-07-04 11:14:47 +03:00 committed by David S. Miller
parent 4c10628afd
commit f3146f3774
1 changed files with 0 additions and 5 deletions
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5
drivers/net/ethernet/renesas/sh_eth.c
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@ -2043,15 +2043,10 @@ static int sh_eth_phy_start(struct net_device *ndev)
static int sh_eth_get_link_ksettings(struct net_device *ndev,
struct ethtool_link_ksettings *cmd)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
unsigned long flags;
if (!ndev->phydev)
return -ENODEV;
spin_lock_irqsave(&mdp->lock, flags);
phy_ethtool_ksettings_get(ndev->phydev, cmd);
spin_unlock_irqrestore(&mdp->lock, flags);
return 0;
}