linux-kernel - [ 02/52] smsc95xx: mark link down on startup and let PHY interrupt deal with carrier changes

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Date:	Thu, 10 May 2012 10:31:34 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk,
	Paolo Pisati <paolo.pisati@...onical.com>,
	Steve Glendinning <steve.glendinning@...well.net>,
	"David S. Miller" <davem@...emloft.net>
Subject: [ 02/52] smsc95xx: mark link down on startup and let PHY interrupt
 deal with carrier changes

3.3-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Paolo Pisati <paolo.pisati@...onical.com>

commit 07d69d4238418746a7b85c5d05ec17c658a2a390 upstream.

Without this patch sysfs reports the cable as present

flag@...g-desktop:~$ cat /sys/class/net/eth0/carrier
1

while it's not:

flag@...g-desktop:~$ sudo mii-tool eth0
eth0: no link

Tested on my Beagle XM.

v2: added mantainer to the list of recipient

Signed-off-by: Paolo Pisati <paolo.pisati@...onical.com>
Acked-by: Steve Glendinning <steve.glendinning@...well.net>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/usb/smsc95xx.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1191,7 +1191,7 @@ static const struct driver_info smsc95xx
 	.rx_fixup	= smsc95xx_rx_fixup,
 	.tx_fixup	= smsc95xx_tx_fixup,
 	.status		= smsc95xx_status,
-	.flags		= FLAG_ETHER | FLAG_SEND_ZLP,
+	.flags		= FLAG_ETHER | FLAG_SEND_ZLP | FLAG_LINK_INTR,
 };
 
 static const struct usb_device_id products[] = {


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