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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>
This commit is contained in:
Guo-Fu Tseng 2010-10-18 14:10:41 +00:00 committed by David S. Miller
parent c8a8684d5c
commit 3ee94018a9
1 changed files with 6 additions and 3 deletions
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9
drivers/net/jme.c
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@ -2394,6 +2394,10 @@ jme_set_settings(struct net_device *netdev,
if (ecmd->speed == SPEED_1000 && ecmd->autoneg != AUTONEG_ENABLE)
return -EINVAL;
/*
* Check If user changed duplex only while force_media.
* Hardware would not generate link change interrupt.
*/
if (jme->mii_if.force_media &&
ecmd->autoneg != AUTONEG_ENABLE &&
(jme->mii_if.full_duplex != ecmd->duplex))
@ -2403,10 +2407,9 @@ jme_set_settings(struct net_device *netdev,
rc = mii_ethtool_sset(&(jme->mii_if), ecmd);
spin_unlock_bh(&jme->phy_lock);
if (!rc && fdc)
jme_reset_link(jme);
if (!rc) {
if (fdc)
jme_reset_link(jme);
set_bit(JME_FLAG_SSET, &jme->flags);
jme->old_ecmd = *ecmd;
}