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net/fec: carrier off initially to avoid root mount failure

with hardware slow in negotiation, the system did freeze
while trying to mount root on nfs at boot time.

the link state has not been initialised so network stack
tried to start transmission right away. this caused instant
retries, as the driver solely stated business upon link down,
rendering the system unusable.

notify carrier off initially to prevent transmission until
phylib will report link up.

Signed-off-by: Oskar Schirmer <oskar@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Oskar Schirmer 14 년 전
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1개의 변경된 파일3개의 추가작업 그리고 0개의 파일을 삭제
  1. 3 0
      drivers/net/fec.c

+ 3 - 0
drivers/net/fec.c

@@ -1311,6 +1311,9 @@ fec_probe(struct platform_device *pdev)
 	if (ret)
 		goto failed_mii_init;
 
+	/* Carrier starts down, phylib will bring it up */
+	netif_carrier_off(ndev);
+
 	ret = register_netdev(ndev);
 	if (ret)
 		goto failed_register;