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

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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>
This commit is contained in:
Francois Romieu 2007-12-04 22:58:41 +01:00 committed by David S. Miller
parent f945fa7ad9
commit ebc7164730
1 changed files with 9 additions and 6 deletions
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15
drivers/net/sis190.c
View file

@ -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",