[v2,10/10] e1000e: Use pcie_capability_read_word() for reading LNKSTA
Commit Message
Use pcie_capability_read_word() for reading LNKSTA and remove the
custom define that matches to PCI_EXP_LNKSTA.
As only single user for cap_offset remains, remove it too and use
adapter->pdev->pcie_cap directly in the if condition.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
---
drivers/net/ethernet/intel/e1000e/defines.h | 1 -
drivers/net/ethernet/intel/e1000e/mac.c | 10 ++++------
2 files changed, 4 insertions(+), 7 deletions(-)
@@ -678,7 +678,6 @@
/* PCI/PCI-X/PCI-EX Config space */
#define PCI_HEADER_TYPE_REGISTER 0x0E
-#define PCIE_LINK_STATUS 0x12
#define PCI_HEADER_TYPE_MULTIFUNC 0x80
@@ -18,15 +18,13 @@ s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw)
struct e1000_mac_info *mac = &hw->mac;
struct e1000_bus_info *bus = &hw->bus;
struct e1000_adapter *adapter = hw->adapter;
- u16 pcie_link_status, cap_offset;
+ u16 pcie_link_status;
- cap_offset = adapter->pdev->pcie_cap;
- if (!cap_offset) {
+ if (!adapter->pdev->pcie_cap) {
bus->width = e1000_bus_width_unknown;
} else {
- pci_read_config_word(adapter->pdev,
- cap_offset + PCIE_LINK_STATUS,
- &pcie_link_status);
+ pcie_capability_read_word(adapter->pdev, PCI_EXP_LNKSTA,
+ &pcie_link_status);
bus->width = (enum e1000_bus_width)FIELD_GET(PCI_EXP_LNKSTA_NLW,
pcie_link_status);
}