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r8169: Tx performance tweak helper

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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
This commit is contained in:
Francois Romieu 2008-08-02 15:50:02 +02:00
parent ccdffb9a88
commit 458a9f617a
1 changed files with 10 additions and 5 deletions
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15
drivers/net/r8169.c
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@ -2054,12 +2054,20 @@ static void rtl_hw_start_8169(struct net_device *dev)
RTL_W16(IntrMask, tp->intr_event); RTL_W16(IntrMask, tp->intr_event);
} }
static void rtl_tx_performance_tweak(struct pci_dev *pdev, u8 force)
{
u8 ctl;
pci_read_config_byte(pdev, 0x69, &ctl);
ctl = (ctl & ~0x70) | force;
pci_write_config_byte(pdev, 0x69, ctl);
}
static void rtl_hw_start_8168(struct net_device *dev) static void rtl_hw_start_8168(struct net_device *dev)
{ {
struct rtl8169_private *tp = netdev_priv(dev); struct rtl8169_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr; void __iomem *ioaddr = tp->mmio_addr;
struct pci_dev *pdev = tp->pci_dev; struct pci_dev *pdev = tp->pci_dev;
u8 ctl;
RTL_W8(Cfg9346, Cfg9346_Unlock); RTL_W8(Cfg9346, Cfg9346_Unlock);
@ -2073,10 +2081,7 @@ static void rtl_hw_start_8168(struct net_device *dev)
RTL_W16(CPlusCmd, tp->cp_cmd); RTL_W16(CPlusCmd, tp->cp_cmd);
/* Tx performance tweak. */ rtl_tx_performance_tweak(pdev, 0x50);
pci_read_config_byte(pdev, 0x69, &ctl);
ctl = (ctl & ~0x70) | 0x50;
pci_write_config_byte(pdev, 0x69, ctl);
RTL_W16(IntrMitigate, 0x5151); RTL_W16(IntrMitigate, 0x5151);