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jme: Add comment in jme_set_settings
Explains what `fdc` variable is for. Signed-off-by: Guo-Fu Tseng <cooldavid@cooldavid.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -2394,6 +2394,10 @@ jme_set_settings(struct net_device *netdev,
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if (ecmd->speed == SPEED_1000 && ecmd->autoneg != AUTONEG_ENABLE)
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return -EINVAL;
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/*
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* Check If user changed duplex only while force_media.
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* Hardware would not generate link change interrupt.
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*/
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if (jme->mii_if.force_media &&
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ecmd->autoneg != AUTONEG_ENABLE &&
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(jme->mii_if.full_duplex != ecmd->duplex))
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@ -2403,10 +2407,9 @@ jme_set_settings(struct net_device *netdev,
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rc = mii_ethtool_sset(&(jme->mii_if), ecmd);
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spin_unlock_bh(&jme->phy_lock);
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if (!rc && fdc)
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jme_reset_link(jme);
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if (!rc) {
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if (fdc)
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jme_reset_link(jme);
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set_bit(JME_FLAG_SSET, &jme->flags);
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jme->old_ecmd = *ecmd;
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}
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