sis190: add cmos ram access code for the SiS19x/968 chipset pair

More work is needed to handle correctly the PHY of the new devices
when connected to a 10Mb link but this change already helps some
users as is.

Fix for:
http://bugzilla.kernel.org/show_bug.cgi?id=9467

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: K.M. Liu <kmliu@sis.com.tw>
Cc: J. Gleacher <jgleacher@yahoo.com>
Cc: Alexandre Penasso Teixeira <alexandre@keepsoftware.com>
Cc: Arliton Rocha <arliton@gmail.com>
Cc: Juan Jose Pablos <juanjo@apertus.es>
Cc: Wipat Srutiprom <wipat.s@psu.ac.th>

diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c
index 7eab072..c63f484 100644 (file)
--- a/drivers/net/sis190.c
+++ b/drivers/net/sis190.c
@@ -1549,28 +1549,31 @@ static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev,
 }
 
 /**
- *     sis190_get_mac_addr_from_apc - Get MAC address for SiS965 model
+ *     sis190_get_mac_addr_from_apc - Get MAC address for SiS96x model
  *     @pdev: PCI device
  *     @dev:  network device to get address for
  *
- *     SiS965 model, use APC CMOS RAM to store MAC address.
+ *     SiS96x model, use APC CMOS RAM to store MAC address.
  *     APC CMOS RAM is accessed through ISA bridge.
  *     MAC address is read into @net_dev->dev_addr.
  */
 static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev,
                                                  struct net_device *dev)
 {
+       static const u16 __devinitdata ids[] = { 0x0965, 0x0966, 0x0968 };
        struct sis190_private *tp = netdev_priv(dev);
        struct pci_dev *isa_bridge;
        u8 reg, tmp8;
-       int i;
+       unsigned int i;
 
        net_probe(tp, KERN_INFO "%s: Read MAC address from APC.\n",
                  pci_name(pdev));
 
-       isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0965, NULL);
-       if (!isa_bridge)
-               isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0966, NULL);
+       for (i = 0; i < ARRAY_SIZE(ids); i++) {
+               isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, ids[i], NULL);
+               if (isa_bridge)
+                       break;
+       }
 
        if (!isa_bridge) {
                net_probe(tp, KERN_INFO "%s: Can not find ISA bridge.\n",