From ad3620a072bc1ba93b0146f6f5467ae928b449a6 Mon Sep 17 00:00:00 2001
From: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Date: Sat, 4 Apr 2009 14:49:07 +0000
Subject: [PATCH] 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 | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c
index 501a8d7ac2be..15b8fe61695b 100644
--- a/drivers/net/pcmcia/axnet_cs.c
+++ b/drivers/net/pcmcia/axnet_cs.c
@@ -339,7 +339,7 @@ static int axnet_config(struct pcmcia_device *link)
{
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 @@ static int axnet_config(struct pcmcia_device *link)
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 @@ static int axnet_config(struct pcmcia_device *link)
pcmcia_access_configuration_register(link, ®);
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 @@ static void AX88190_init(struct net_device *dev, int startp)
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);
--
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