From: Pierre Ossman <drzeus-list@drzeus.cx>
Date: Sun, 3 Jul 2005 22:22:53 +0000 (+0200)
Subject: [PATCH] 8139cp - redetect link after suspend
X-Git-Tag: firefly_0821_release~42255^2~17^2~2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a4cf0761493495681d72dcc0b34efb86e94a5527;p=firefly-linux-kernel-4.4.55.git

[PATCH] 8139cp - redetect link after suspend

After suspend the driver needs to retest link status in case the cable
has been inserted or removed during the suspend.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
---

diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 7b293f01c9ed..34b80de34fae 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -1897,6 +1897,7 @@ static int cp_resume (struct pci_dev *pdev)
 {
 	struct net_device *dev;
 	struct cp_private *cp;
+	unsigned long flags;
 
 	dev = pci_get_drvdata (pdev);
 	cp  = netdev_priv(dev);
@@ -1910,6 +1911,12 @@ static int cp_resume (struct pci_dev *pdev)
 	
 	cp_init_hw (cp);
 	netif_start_queue (dev);
+
+	spin_lock_irqsave (&cp->lock, flags);
+
+	mii_check_media(&cp->mii_if, netif_msg_link(cp), FALSE);
+
+	spin_unlock_irqrestore (&cp->lock, flags);
 	
 	return 0;
 }