From ac1d49f8431bef861c7dd63e78be25e4c262eb52 Mon Sep 17 00:00:00 2001
From: Jeff Garzik <jeff@garzik.org>
Date: Sat, 29 Sep 2007 01:10:14 -0400
Subject: [PATCH] [netdrvr] sundance: fix phy scanning on IP100A
Based on a based from Jesse Huang <jesse@icplus.com.tw>.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---
drivers/net/sundance.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index a37637ec9b77..ff98f5d597f1 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -466,7 +466,7 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev,
#else
int bar = 1;
#endif
- int phy, phy_idx = 0;
+ int phy, phy_end, phy_idx = 0;
DECLARE_MAC_BUF(mac);
/* when built into the kernel, we only print version if device is found */
@@ -552,11 +552,19 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev,
np->phys[0] = 1; /* Default setting */
np->mii_preamble_required++;
+
/*
* It seems some phys doesn't deal well with address 0 being accessed
- * first, so leave address zero to the end of the loop (32 & 31).
+ * first
*/
- for (phy = 1; phy <= 32 && phy_idx < MII_CNT; phy++) {
+ if (sundance_pci_tbl[np->chip_id].device == 0x0200) {
+ phy = 0;
+ phy_end = 31;
+ } else {
+ phy = 1;
+ phy_end = 32; /* wraps to zero, due to 'phy & 0x1f' */
+ }
+ for (; phy <= phy_end && phy_idx < MII_CNT; phy++) {
int phyx = phy & 0x1f;
int mii_status = mdio_read(dev, phyx, MII_BMSR);
if (mii_status != 0xffff && mii_status != 0x0000) {
--
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