Re: Linux 2.6.27-git3: rtl8169 oops and wireless missing symbols

From: Francois Romieu
Date: Tue Oct 14 2008 - 15:33:42 EST


J.A. Magallón <jamagallon@xxxxxxx> :
[...]
> Oct 14 02:27:45 one kernel: r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
> Oct 14 02:27:45 one kernel: r8169 0000:02:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> Oct 14 02:27:45 one kernel: r8169 0000:02:00.0: setting latency timer to 64
> Oct 14 02:27:45 one kernel: eth0: RTL8102e at 0xdfffe000, 00:00:00:00:00:00, XID 24a00000 IRQ 219

The MAC address does not look sane. Does the revert below cure it ?

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index c821da2..5b8f8ba 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1911,74 +1911,6 @@ static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
}
}

-static int rtl_eeprom_read(struct pci_dev *pdev, int cap, int addr, __le32 *val)
-{
- int ret, count = 100;
- u16 status = 0;
- u32 value;
-
- ret = pci_write_config_word(pdev, cap + PCI_VPD_ADDR, addr);
- if (ret < 0)
- return ret;
-
- do {
- udelay(10);
- ret = pci_read_config_word(pdev, cap + PCI_VPD_ADDR, &status);
- if (ret < 0)
- return ret;
- } while (!(status & PCI_VPD_ADDR_F) && --count);
-
- if (!(status & PCI_VPD_ADDR_F))
- return -ETIMEDOUT;
-
- ret = pci_read_config_dword(pdev, cap + PCI_VPD_DATA, &value);
- if (ret < 0)
- return ret;
-
- *val = cpu_to_le32(value);
-
- return 0;
-}
-
-static void rtl_init_mac_address(struct rtl8169_private *tp,
- void __iomem *ioaddr)
-{
- struct pci_dev *pdev = tp->pci_dev;
- u8 cfg1;
- int vpd_cap;
- u8 mac[8];
- DECLARE_MAC_BUF(buf);
-
- cfg1 = RTL_R8(Config1);
- if (!(cfg1 & VPD)) {
- dprintk("VPD access not enabled, enabling\n");
- RTL_W8(Cfg9346, Cfg9346_Unlock);
- RTL_W8(Config1, cfg1 | VPD);
- RTL_W8(Cfg9346, Cfg9346_Lock);
- }
-
- vpd_cap = pci_find_capability(pdev, PCI_CAP_ID_VPD);
- if (!vpd_cap)
- return;
-
- /* MAC address is stored in EEPROM at offset 0x0e
- * Realtek says: "The VPD address does not have to be a DWORD-aligned
- * address as defined in the PCI 2.2 Specifications, but the VPD data
- * is always consecutive 4-byte data starting from the VPD address
- * specified."
- */
- if (rtl_eeprom_read(pdev, vpd_cap, 0x000e, (__le32*)&mac[0]) < 0 ||
- rtl_eeprom_read(pdev, vpd_cap, 0x0012, (__le32*)&mac[4]) < 0) {
- dprintk("Reading MAC address from EEPROM failed\n");
- return;
- }
-
- dprintk("MAC address found in EEPROM: %s\n", print_mac(buf, mac));
-
- /* Write MAC address */
- rtl_rar_set(tp, mac);
-}
-
static int __devinit
rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
@@ -2156,8 +2088,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)

tp->mmio_addr = ioaddr;

- rtl_init_mac_address(tp, ioaddr);
-
/* Get MAC address */
for (i = 0; i < MAC_ADDR_LEN; i++)
dev->dev_addr[i] = RTL_R8(MAC0 + i);
--
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