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r8169: do not enable the TBI for anything but the original 8169. 

The TBI bit in PHYStatus is reserved on anything but the oldest 8169.

Nobody complained after I disabled it for the 8168 and the 810x (see
66ec5d4fb1).

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes Wang <hayeswang@realtek.com>
This commit is contained in:
Francois Romieu 2011-09-01 18:42:09 +02:00
parent e03f33af79
commit 2544bfc0eb
1 changed files with 10 additions and 3 deletions
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13
drivers/net/r8169.c
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@ -3080,6 +3080,14 @@ static void rtl8169_phy_reset(struct net_device *dev,
netif_err(tp, link, dev, "PHY reset failed\n");
}
static bool rtl_tbi_enabled(struct rtl8169_private *tp)
{
void __iomem *ioaddr = tp->mmio_addr;
return (tp->mac_version == RTL_GIGA_MAC_VER_01) &&
(RTL_R8(PHYstatus) & TBI_Enable);
}
static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
{
void __iomem *ioaddr = tp->mmio_addr;
@ -3112,7 +3120,7 @@ static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
ADVERTISED_1000baseT_Half |
ADVERTISED_1000baseT_Full : 0));
if (RTL_R8(PHYstatus) & TBI_Enable)
if (rtl_tbi_enabled(tp))
netif_info(tp, link, dev, "TBI auto-negotiating\n");
}
@ -3738,8 +3746,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
RTL_W8(Cfg9346, Cfg9346_Lock);
if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
(RTL_R8(PHYstatus) & TBI_Enable)) {
if (rtl_tbi_enabled(tp)) {
tp->set_speed = rtl8169_set_speed_tbi;
tp->get_settings = rtl8169_gset_tbi;
tp->phy_reset_enable = rtl8169_tbi_reset_enable;