diff options
| author | Jiang Liu <jiang.liu@huawei.com> | 2012-07-24 17:20:16 +0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2012-08-23 10:11:12 -0600 |
| commit | 7d7903b2a2e0c87151f8891e67c4c36a86f3fe83 (patch) | |
| tree | 9a14d31443bd3204efcd86d05d6728c9d6475d49 /drivers/net/ethernet/realtek/r8169.c | |
| parent | 424ffc943dbac747818b7e4698cdc50be91e4c25 (diff) | |
r8169: Use PCI Express Capability accessors
Use PCI Express Capability access functions to simplify r8169 driver.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/net/ethernet/realtek/r8169.c')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169.c | 44 |
1 files changed, 9 insertions, 35 deletions
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index b47d5b35024..410496817de 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -833,15 +833,8 @@ static void rtl_unlock_work(struct rtl8169_private *tp) static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force) { - int cap = pci_pcie_cap(pdev); - - if (cap) { - u16 ctl; - - pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl); - ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force; - pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl); - } + pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_READRQ, force); } struct rtl_cond { @@ -4739,28 +4732,14 @@ static void rtl_ephy_init(struct rtl8169_private *tp, const struct ephy_info *e, static void rtl_disable_clock_request(struct pci_dev *pdev) { - int cap = pci_pcie_cap(pdev); - - if (cap) { - u16 ctl; - - pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl); - ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN; - pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl); - } + pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL, + PCI_EXP_LNKCTL_CLKREQ_EN); } static void rtl_enable_clock_request(struct pci_dev *pdev) { - int cap = pci_pcie_cap(pdev); - - if (cap) { - u16 ctl; - - pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl); - ctl |= PCI_EXP_LNKCTL_CLKREQ_EN; - pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl); - } + pcie_capability_set_word(pdev, PCI_EXP_LNKCTL, + PCI_EXP_LNKCTL_CLKREQ_EN); } #define R8168_CPCMD_QUIRK_MASK (\ @@ -5405,14 +5384,9 @@ static void rtl_hw_start_8101(struct net_device *dev) tp->event_slow &= ~RxFIFOOver; if (tp->mac_version == RTL_GIGA_MAC_VER_13 || - tp->mac_version == RTL_GIGA_MAC_VER_16) { - int cap = pci_pcie_cap(pdev); - - if (cap) { - pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, - PCI_EXP_DEVCTL_NOSNOOP_EN); - } - } + tp->mac_version == RTL_GIGA_MAC_VER_16) + pcie_capability_write_word(pdev, PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_NOSNOOP_EN); RTL_W8(Cfg9346, Cfg9346_Unlock); |