[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>

1 files 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) {