net: ethernet: ti: am65-cpsw-ethtool: configured critical setting only when no running netdevs
Ensure that critical setting can only be configured when there are no running netdevs - all ports are down. Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -445,7 +445,7 @@ static int am65_cpsw_set_channels(struct net_device *ndev,
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/* Check if interface is up. Can change the num queues when
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* the interface is down.
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*/
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if (netif_running(ndev))
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if (common->usage_count)
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return -EBUSY;
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am65_cpsw_nuss_remove_tx_chns(common);
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@ -734,6 +734,9 @@ static int am65_cpsw_set_ethtool_priv_flags(struct net_device *ndev, u32 flags)
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rrobin = !!(flags & AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN);
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if (common->usage_count)
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return -EBUSY;
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if (common->est_enabled && rrobin) {
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netdev_err(ndev,
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"p0-rx-ptype-rrobin flag conflicts with QOS\n");
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