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path: root/drivers/net/ethernet/realtek/r8169.c
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Diffstat (limited to 'drivers/net/ethernet/realtek/r8169.c')
-rw-r--r--drivers/net/ethernet/realtek/r8169.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 67bf07819992..c8f47f17186f 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -477,7 +477,6 @@ enum rtl_register_content {
477 /* Config1 register p.24 */ 477 /* Config1 register p.24 */
478 LEDS1 = (1 << 7), 478 LEDS1 = (1 << 7),
479 LEDS0 = (1 << 6), 479 LEDS0 = (1 << 6),
480 MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */
481 Speed_down = (1 << 4), 480 Speed_down = (1 << 4),
482 MEMMAP = (1 << 3), 481 MEMMAP = (1 << 3),
483 IOMAP = (1 << 2), 482 IOMAP = (1 << 2),
@@ -485,6 +484,7 @@ enum rtl_register_content {
485 PMEnable = (1 << 0), /* Power Management Enable */ 484 PMEnable = (1 << 0), /* Power Management Enable */
486 485
487 /* Config2 register p. 25 */ 486 /* Config2 register p. 25 */
487 MSIEnable = (1 << 5), /* 8169 only. Reserved in the 8168. */
488 PCI_Clock_66MHz = 0x01, 488 PCI_Clock_66MHz = 0x01,
489 PCI_Clock_33MHz = 0x00, 489 PCI_Clock_33MHz = 0x00,
490 490
@@ -3426,22 +3426,24 @@ static const struct rtl_cfg_info {
3426}; 3426};
3427 3427
3428/* Cfg9346_Unlock assumed. */ 3428/* Cfg9346_Unlock assumed. */
3429static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr, 3429static unsigned rtl_try_msi(struct rtl8169_private *tp,
3430 const struct rtl_cfg_info *cfg) 3430 const struct rtl_cfg_info *cfg)
3431{ 3431{
3432 void __iomem *ioaddr = tp->mmio_addr;
3432 unsigned msi = 0; 3433 unsigned msi = 0;
3433 u8 cfg2; 3434 u8 cfg2;
3434 3435
3435 cfg2 = RTL_R8(Config2) & ~MSIEnable; 3436 cfg2 = RTL_R8(Config2) & ~MSIEnable;
3436 if (cfg->features & RTL_FEATURE_MSI) { 3437 if (cfg->features & RTL_FEATURE_MSI) {
3437 if (pci_enable_msi(pdev)) { 3438 if (pci_enable_msi(tp->pci_dev)) {
3438 dev_info(&pdev->dev, "no MSI. Back to INTx.\n"); 3439 netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
3439 } else { 3440 } else {
3440 cfg2 |= MSIEnable; 3441 cfg2 |= MSIEnable;
3441 msi = RTL_FEATURE_MSI; 3442 msi = RTL_FEATURE_MSI;
3442 } 3443 }
3443 } 3444 }
3444 RTL_W8(Config2, cfg2); 3445 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3446 RTL_W8(Config2, cfg2);
3445 return msi; 3447 return msi;
3446} 3448}
3447 3449
@@ -4077,7 +4079,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
4077 tp->features |= RTL_FEATURE_WOL; 4079 tp->features |= RTL_FEATURE_WOL;
4078 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0) 4080 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
4079 tp->features |= RTL_FEATURE_WOL; 4081 tp->features |= RTL_FEATURE_WOL;
4080 tp->features |= rtl_try_msi(pdev, ioaddr, cfg); 4082 tp->features |= rtl_try_msi(tp, cfg);
4081 RTL_W8(Cfg9346, Cfg9346_Lock); 4083 RTL_W8(Cfg9346, Cfg9346_Lock);
4082 4084
4083 if (rtl_tbi_enabled(tp)) { 4085 if (rtl_tbi_enabled(tp)) {