From: Jiang Liu <liuj97@gmail.com>
To: Bjorn Helgaas <bhelgaas@google.com>,
Don Dutile <ddutile@redhat.com>,
Realtek linux nic maintainers <nic_swsd@realtek.com>,
Francois Romieu <romieu@fr.zoreil.com>
Cc: Jiang Liu <jiang.liu@huawei.com>, Yinghai Lu <yinghai@kernel.org>,
Taku Izumi <izumi.taku@jp.fujitsu.com>,
"Rafael J . Wysocki" <rjw@sisk.pl>,
Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>,
Yijing Wang <wangyijing@huawei.com>,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
Jiang Liu <liuj97@gmail.com>
Subject: [PATCH v3 15/32] PCI/r8169: use PCIe capabilities access functions to simplify implementation
Date: Wed, 1 Aug 2012 23:54:20 +0800 [thread overview]
Message-ID: <1343836477-7287-16-git-send-email-jiang.liu@huawei.com> (raw)
In-Reply-To: <1343836477-7287-1-git-send-email-jiang.liu@huawei.com>
From: Jiang Liu <jiang.liu@huawei.com>
Use PCIe capabilities access functions to simplify r8169 driver's
implementation.
Signed-off-by: Jiang Liu <liuj97@gmail.com>
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
---
drivers/net/ethernet/realtek/r8169.c | 44 +++++++---------------------------
1 file changed, 9 insertions(+), 35 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 9757ce3..d575fbf 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -807,15 +807,8 @@ 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);
- }
+ pci_pcie_capability_change_word(pdev, PCI_EXP_DEVCTL,
+ force, PCI_EXP_DEVCTL_READRQ);
}
static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
@@ -4504,28 +4497,14 @@ static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int l
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);
- }
+ pci_pcie_capability_change_word(pdev, PCI_EXP_LNKCTL,
+ 0, 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);
- }
+ pci_pcie_capability_change_word(pdev, PCI_EXP_LNKCTL,
+ PCI_EXP_LNKCTL_CLKREQ_EN, 0);
}
#define R8168_CPCMD_QUIRK_MASK (\
@@ -5132,14 +5111,9 @@ 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)
+ pci_pcie_capability_write_word(pdev, PCI_EXP_DEVCTL,
+ PCI_EXP_DEVCTL_NOSNOOP_EN);
RTL_W8(Cfg9346, Cfg9346_Unlock);
--
1.7.9.5
next prev parent reply other threads:[~2012-08-01 15:57 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-01 15:54 [PATCH v3 00/32] provide interfaces to access PCIe capabilities registers Jiang Liu
2012-08-01 15:54 ` [PATCH v3 01/32] PCI: add pcie_flags_reg into struct pci_dev to cache PCIe capabilities register Jiang Liu
2012-08-01 15:54 ` [PATCH v3 02/32] PCI: introduce pci_pcie_type(dev) to replace pci_dev->pcie_type Jiang Liu
2012-08-01 15:54 ` [PATCH v3 03/32] PCI: remove unused field pcie_type from struct pci_dev Jiang Liu
2012-08-01 15:54 ` [PATCH v3 04/32] PCI: add PCIe capabilities access functions to hide differences among PCIe specs Jiang Liu
2012-08-01 15:54 ` [PATCH v3 05/32] PCI/core: use PCIe capabilities access functions to simplify implementation Jiang Liu
2012-08-01 15:54 ` [PATCH v3 06/32] PCI/hotplug: " Jiang Liu
2012-08-02 1:30 ` Kaneshige, Kenji
2012-08-01 15:54 ` [PATCH v3 07/32] PCI/portdrv: " Jiang Liu
2012-08-02 1:33 ` Kaneshige, Kenji
2012-08-01 15:54 ` [PATCH v3 08/32] PCI/pciehp: " Jiang Liu
2012-08-02 1:37 ` Kaneshige, Kenji
2012-08-01 15:54 ` [PATCH v3 09/32] PCI/PME: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 10/32] PCI/AER: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 11/32] PCI/ASPM: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 12/32] PCI/ARM: " Jiang Liu
2012-08-01 17:20 ` Stephen Warren
2012-08-02 5:58 ` Thierry Reding
2012-08-03 18:05 ` Stephen Warren
2012-08-01 15:54 ` [PATCH v3 13/32] PCI/MIPS: " Jiang Liu
2012-08-13 21:40 ` David Daney
2012-08-01 15:54 ` [PATCH v3 14/32] PCI/tile: " Jiang Liu
2012-08-01 21:07 ` Chris Metcalf
2012-08-01 15:54 ` Jiang Liu [this message]
2012-08-01 15:54 ` [PATCH v3 16/32] PCI/broadcom: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 17/32] PCI/igb: " Jiang Liu
2012-08-02 22:12 ` Jeff Kirsher
2012-08-01 15:54 ` [PATCH v3 18/32] PCI/vxge: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 19/32] PCI/mlx4: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 20/32] PCI/niu: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 21/32] PCI/myri10ge: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 22/32] PCI/chelsio: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 23/32] PCI/atl1c: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 24/32] PCI/ath9k: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 25/32] PCI/iwl: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 26/32] PCI/mthca: " Jiang Liu
2012-08-02 21:46 ` Roland Dreier
2012-08-01 15:54 ` [PATCH v3 27/32] PCI/qib: " Jiang Liu
2012-08-01 17:30 ` Marciniszyn, Mike
2012-08-01 15:54 ` [PATCH v3 28/32] PCI/qla: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 29/32] PCI/radeon: " Jiang Liu
2012-08-01 16:04 ` Deucher, Alexander
2012-08-01 15:54 ` [PATCH v3 30/32] PCI/tsi721: " Jiang Liu
2012-08-09 14:16 ` Bounine, Alexandre
2012-08-01 15:54 ` [PATCH v3 31/32] PCI/et131x: " Jiang Liu
2012-08-01 15:54 ` [PATCH v3 32/32] PCI/rtl8192e: " Jiang Liu
2012-08-14 4:25 ` [PATCH v3 00/32] provide interfaces to access PCIe capabilities registers Bjorn Helgaas
2012-08-14 15:46 ` Jiang Liu
2012-08-20 15:26 ` Jiang Liu
2012-08-20 15:35 ` Bjorn Helgaas
2012-08-20 15:47 ` Jiang Liu
2012-08-20 16:10 ` Bjorn Helgaas
2012-08-20 22:13 ` Bjorn Helgaas
2012-08-21 4:40 ` Cui, Dexuan
2012-08-22 16:28 ` Bjorn Helgaas
2012-08-23 1:00 ` Cui, Dexuan
2012-08-23 1:51 ` Don Dutile
2012-08-21 15:59 ` Jiang Liu
2012-08-22 17:08 ` Bjorn Helgaas
2012-08-24 18:52 ` Bjorn Helgaas
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