From: Jiang Liu <liuj97@gmail.com>
To: Bjorn Helgaas <bhelgaas@google.com>, Don Dutile <ddutile@redhat.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: [RFC PATCH v2 15/32] PCI/r8169: use PCIe capabilities access functions to simplify implementation
Date: Wed, 25 Jul 2012 00:31:27 +0800 [thread overview]
Message-ID: <1343147504-25891-16-git-send-email-jiang.liu@huawei.com> (raw)
In-Reply-To: <1343147504-25891-1-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 | 35 ++++++++++++----------------------
1 file changed, 12 insertions(+), 23 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 9757ce3..2f6ff78 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -807,14 +807,12 @@ 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) {
+ if (pci_is_pcie(pdev)) {
u16 ctl;
- pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
+ pci_pcie_capability_read_word(pdev, PCI_EXP_DEVCTL, &ctl);
ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
- pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
+ pci_pcie_capability_write_word(pdev, PCI_EXP_DEVCTL, ctl);
}
}
@@ -4504,27 +4502,23 @@ 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) {
+ if (pci_is_pcie(pdev)) {
u16 ctl;
- pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
+ pci_pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &ctl);
ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
- pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
+ pci_pcie_capability_write_word(pdev, PCI_EXP_LNKCTL, ctl);
}
}
static void rtl_enable_clock_request(struct pci_dev *pdev)
{
- int cap = pci_pcie_cap(pdev);
-
- if (cap) {
+ if (pci_is_pcie(pdev)) {
u16 ctl;
- pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
+ pci_pcie_capability_read_word(pdev, PCI_EXP_LNKCTL, &ctl);
ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
- pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
+ pci_pcie_capability_write_word(pdev, PCI_EXP_LNKCTL, ctl);
}
}
@@ -5132,14 +5126,9 @@ 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:[~2012-07-24 16:31 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-24 16:31 [RFC PATCH v2 00/32] provide interfaces to access PCIe capabilities registers Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 01/32] PCI: add pcie_flags_reg into struct pci_dev to cache PCIe capabilities register Jiang Liu
2012-07-25 15:12 ` Don Dutile
2012-07-26 13:47 ` Yijing Wang
2012-07-24 16:31 ` [RFC PATCH v2 02/32] PCI: introduce pci_pcie_type(dev) to replace pci_dev->pcie_type Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 03/32] PCI: remove unused field pcie_type from struct pci_dev Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 04/32] PCI: add PCIe capabilities access functions to hide differences among PCIe specs Jiang Liu
2012-07-24 21:12 ` Don Dutile
2012-07-29 16:22 ` Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 05/32] PCI/core: use PCIe capabilities access functions to simplify implementation Jiang Liu
2012-07-25 21:12 ` Don Dutile
2012-07-29 2:12 ` Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 06/32] PCI/hotplug: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 07/32] PCI/portdrv: " Jiang Liu
2012-07-25 5:51 ` Kaneshige, Kenji
2012-07-25 9:44 ` Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 08/32] PCI/pciehp: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 09/32] PCI/PME: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 10/32] PCI/AER: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 11/32] PCI/ASPM: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 12/32] PCI/ARM: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 13/32] PCI/MIPS: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 14/32] PCI/tile: " Jiang Liu
2012-07-24 16:31 ` Jiang Liu [this message]
2012-07-24 16:31 ` [RFC PATCH v2 16/32] PCI/broadcom: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 17/32] PCI/igb: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 18/32] PCI/vxge: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 19/32] PCI/mlx4: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 20/32] PCI/niu: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 21/32] PCI/myri10ge: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 22/32] PCI/chelsio: " Jiang Liu
2012-07-24 16:31 ` [RFC PATCH v2 23/32] PCI/atl1c: " Jiang Liu
2012-07-24 21:09 ` [RFC PATCH v2 00/32] provide interfaces to access PCIe capabilities registers Don Dutile
2012-07-29 2:26 ` Jiang Liu
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