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From: Dan Williams <dcbw@redhat•com>
To: Jeff Garzik <jeff@garzik•org>
Cc: Petko Manolov <petkan@nucleusys•com>, Greg KH <greg@kroah•com>,
	netdev@vger•kernel.org
Subject: [PATCH] usb-net/pegasus: simplify carrier detection
Date: Wed, 25 Apr 2007 21:30:29 -0400	[thread overview]
Message-ID: <1177551029.1684.2.camel@localhost.localdomain> (raw)
In-Reply-To: <462F7B9A.2090904@garzik.org>

Simplify pegasus carrier detection; rely only on the periodic MII
polling.  Reverts pieces of c43c49bd61fdb9bb085ddafcaadb17d06f95ec43.

Signed-off-by: Dan Williams <dcbw@redhat•com>

--- a/drivers/usb/net/pegasus.h	2007-04-25 21:21:00.000000000 -0400
+++ b/drivers/usb/net/pegasus.h	2007-04-25 21:21:13.000000000 -0400
@@ -11,7 +11,6 @@
 
 #define	PEGASUS_II		0x80000000
 #define	HAS_HOME_PNA		0x40000000
-#define	TRUST_LINK_STATUS	0x20000000
 
 #define	PEGASUS_MTU		1536
 #define	RX_SKBS			4
@@ -204,7 +203,7 @@
 PEGASUS_DEV( "Allied Telesyn Int. AT-USB100", VENDOR_ALLIEDTEL, 0xb100,
 		DEFAULT_GPIO_RESET | PEGASUS_II )
 PEGASUS_DEV( "Belkin F5D5050 USB Ethernet", VENDOR_BELKIN, 0x0121,
-		DEFAULT_GPIO_RESET | PEGASUS_II | TRUST_LINK_STATUS )
+		DEFAULT_GPIO_RESET | PEGASUS_II )
 PEGASUS_DEV( "Billionton USB-100", VENDOR_BILLIONTON, 0x0986,
 		DEFAULT_GPIO_RESET )
 PEGASUS_DEV( "Billionton USBLP-100", VENDOR_BILLIONTON, 0x0987,
--- a/drivers/usb/net/pegasus.c	2007-04-25 21:20:32.000000000 -0400
+++ b/drivers/usb/net/pegasus.c	2007-04-25 21:22:15.000000000 -0400
@@ -848,16 +848,6 @@
 		 * d[0].NO_CARRIER kicks in only with failed TX.
 		 * ... so monitoring with MII may be safest.
 		 */
-		if (pegasus->features & TRUST_LINK_STATUS) {
-			if (d[5] & LINK_STATUS)
-				netif_carrier_on(net);
-			else
-				netif_carrier_off(net);
-		} else {
-			/* Never set carrier _on_ based on ! NO_CARRIER */
-			if (d[0] & NO_CARRIER)
-				netif_carrier_off(net);	
-		}
 
 		/* bytes 3-4 == rx_lostpkt, reg 2E/2F */
 		pegasus->stats.rx_missed_errors += ((d[3] & 0x7f) << 8) | d[4];



  reply	other threads:[~2007-04-26  1:26 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-24 14:20 [PATCH] usb-net/pegasus: fix pegasus carrier detection Dan Williams
2007-04-24 16:49 ` Jeff Garzik
2007-04-24 17:04   ` Greg KH
2007-04-24 17:41     ` Jeff Garzik
2007-04-24 17:48     ` petkan
2007-04-24 20:24       ` Dan Williams
2007-04-25 14:58         ` Petko Manolov
2007-04-25 15:08           ` Dan Williams
2007-04-25 15:09             ` Petko Manolov
2007-04-25 16:03               ` Dan Williams
2007-04-25 16:02                 ` Jeff Garzik
2007-04-26  1:30                   ` Dan Williams [this message]
2007-04-26  9:12                     ` [PATCH] usb-net/pegasus: simplify " Petko Manolov
2007-04-28  0:17                     ` Jeff Garzik

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