aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/e1000/e1000_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
-rw-r--r--drivers/net/e1000/e1000_main.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index fd30161d2f1..e2615782966 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -4473,6 +4473,22 @@ e1000_write_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
pci_write_config_word(adapter->pdev, reg, *value);
}
+int32_t
+e1000_read_pcie_cap_reg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
+{
+ struct e1000_adapter *adapter = hw->back;
+ uint16_t cap_offset;
+
+ cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
+ if (!cap_offset)
+ return -E1000_ERR_CONFIG;
+
+ pci_read_config_word(adapter->pdev, cap_offset + reg, value);
+
+ return E1000_SUCCESS;
+}
+
+
void
e1000_io_write(struct e1000_hw *hw, unsigned long port, uint32_t value)
{