usb-net/pegasus: simplify carrier detection

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

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

2 files changed, 1 insertions, 12 deletions

diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c
index 1ad4ee54b186..a05fd97e5bc2 100644
--- a/drivers/usb/net/pegasus.c
+++ b/drivers/usb/net/pegasus.c
@@ -847,16 +847,6 @@ static void intr_callback(struct urb *urb)
                  * 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];
diff --git a/drivers/usb/net/pegasus.h b/drivers/usb/net/pegasus.h
index c7aadb413e8c..c7467823cd1c 100644
--- a/drivers/usb/net/pegasus.h
+++ b/drivers/usb/net/pegasus.h
@@ -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( "AEI USB Fast Ethernet Adapter", VENDOR_AEILAB, 0x1701,
 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,