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Commit 8d2b169fd78ab7d7903d5686021596d8adb9e930

Authored by Fugang Duan
Committed by Jason Liu
1 parent 76f9b385fe
Exists in imx_3.0.35_4.1.0

ENGR00291667-01 net:fec: reinit multicast address when fec restart 

Ptp multicast packet receive does not work after Ethernet link is lost
for a short time and then reconnected again. Because fec call restart()
to reset all multicast when cable hotplug.
(cherry picked from commit adfa64f0c2bf35f8b902ae5700f97e7e11ae1794)

Signed-off-by: Fugang Duan  <B38611@freescale.com>
(cherry picked from commit 57a3f0b6888dfa2a59c7f1b738badbec342b2d10)

Showing 1 changed file with 2 additions and 3 deletions Side-by-side Diff

... ... @@ -1612,9 +1612,8 @@
1612 1612 /* Clear any outstanding interrupt. */
1613 1613 writel(0xffc00000, fep->hwp + FEC_IEVENT);
1614 1614  
1615   - /* Reset all multicast. */
1616   - writel(0, fep->hwp + FEC_GRP_HASH_TABLE_HIGH);
1617   - writel(0, fep->hwp + FEC_GRP_HASH_TABLE_LOW);
  1615 + /* Setup multicast filter. */
  1616 + set_multicast_list(dev);
1618 1617 #ifndef CONFIG_M5272
1619 1618 writel(0, fep->hwp + FEC_HASH_TABLE_HIGH);
1620 1619 writel(0, fep->hwp + FEC_HASH_TABLE_LOW);