commit ad3620a072bc1ba93b0146f6f5467ae928b449a6
author Ken Kawasaki <ken_kawasaki@spring.nifty.jp> Sat Apr 04 14:49:07 2009 +0000
committer David S. Miller <davem@davemloft.net> Mon Apr 06 17:07:54 2009 -0700
tree 4fcde271fe0a8c55d31ca2eacff822bfd88c3e7c
parent 57579f7629a3d46c307405fbd2ea6bdb650d692f

axnet_cs: fix phy_id detection for bogus Asix chip.

axnet_cs:

(1) Some Asix phy return bogus value except 0 or 0xffff.
    Skip this phy_id.

(2) Some Asix chip need to set "select Internal PHY" bit
    at AX88190_init.

Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/pcmcia/axnet_cs.c

diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c
index 501a8d7..15b8fe6 100644
--- a/drivers/net/pcmcia/axnet_cs.c
+++ b/drivers/net/pcmcia/axnet_cs.c
@@ -339,7 +339,7 @@
 {
     struct net_device *dev = link->priv;
     axnet_dev_t *info = PRIV(dev);
-    int i, j, last_ret, last_fn;
+    int i, j, j2, last_ret, last_fn;
 
     DEBUG(0, "axnet_config(0x%p)\n", link);
 
@@ -388,6 +388,8 @@
 
     for (i = 0; i < 32; i++) {
 	j = mdio_read(dev->base_addr + AXNET_MII_EEP, i, 1);
+	j2 = mdio_read(dev->base_addr + AXNET_MII_EEP, i, 2);
+	if (j == j2) continue;
 	if ((j != 0) && (j != 0xffff)) break;
     }
 
@@ -398,6 +400,8 @@
  	pcmcia_access_configuration_register(link, &reg);
 	for (i = 0; i < 32; i++) {
 	    j = mdio_read(dev->base_addr + AXNET_MII_EEP, i, 1);
+	    j2 = mdio_read(dev->base_addr + AXNET_MII_EEP, i, 2);
+	    if (j == j2) continue;
 	    if ((j != 0) && (j != 0xffff)) break;
 	}
     }
@@ -1767,6 +1771,9 @@
 	ei_local->tx1 = ei_local->tx2 = 0;
 	ei_local->txing = 0;
 
+	if (info->flags & IS_AX88790)	/* select Internal PHY */
+		outb(0x10, e8390_base + AXNET_GPIO);
+
 	if (startp) 
 	{
 		outb_p(0xff,  e8390_base + EN0_ISR);