-static int32_t e1000_setup_copper_link(struct e1000_hw *hw);
-static int32_t e1000_setup_fiber_serdes_link(struct e1000_hw *hw);
-static int32_t e1000_adjust_serdes_amplitude(struct e1000_hw *hw);
-static int32_t e1000_phy_force_speed_duplex(struct e1000_hw *hw);
-static int32_t e1000_config_mac_to_phy(struct e1000_hw *hw);
-static void e1000_raise_mdi_clk(struct e1000_hw *hw, uint32_t *ctrl);
-static void e1000_lower_mdi_clk(struct e1000_hw *hw, uint32_t *ctrl);
-static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, uint32_t data,
- uint16_t count);
-static uint16_t e1000_shift_in_mdi_bits(struct e1000_hw *hw);
-static int32_t e1000_phy_reset_dsp(struct e1000_hw *hw);
-static int32_t e1000_write_eeprom_spi(struct e1000_hw *hw, uint16_t offset,
- uint16_t words, uint16_t *data);
-static int32_t e1000_write_eeprom_microwire(struct e1000_hw *hw,
- uint16_t offset, uint16_t words,
- uint16_t *data);
-static int32_t e1000_spi_eeprom_ready(struct e1000_hw *hw);
-static void e1000_raise_ee_clk(struct e1000_hw *hw, uint32_t *eecd);
-static void e1000_lower_ee_clk(struct e1000_hw *hw, uint32_t *eecd);
-static void e1000_shift_out_ee_bits(struct e1000_hw *hw, uint16_t data,
- uint16_t count);
-static int32_t e1000_write_phy_reg_ex(struct e1000_hw *hw, uint32_t reg_addr,
- uint16_t phy_data);
-static int32_t e1000_read_phy_reg_ex(struct e1000_hw *hw,uint32_t reg_addr,
- uint16_t *phy_data);
-static uint16_t e1000_shift_in_ee_bits(struct e1000_hw *hw, uint16_t count);
-static int32_t e1000_acquire_eeprom(struct e1000_hw *hw);
+static s32 e1000_setup_copper_link(struct e1000_hw *hw);
+static s32 e1000_setup_fiber_serdes_link(struct e1000_hw *hw);
+static s32 e1000_adjust_serdes_amplitude(struct e1000_hw *hw);
+static s32 e1000_phy_force_speed_duplex(struct e1000_hw *hw);
+static s32 e1000_config_mac_to_phy(struct e1000_hw *hw);
+static void e1000_raise_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
+static void e1000_lower_mdi_clk(struct e1000_hw *hw, u32 *ctrl);
+static void e1000_shift_out_mdi_bits(struct e1000_hw *hw, u32 data,
+ u16 count);
+static u16 e1000_shift_in_mdi_bits(struct e1000_hw *hw);
+static s32 e1000_phy_reset_dsp(struct e1000_hw *hw);
+static s32 e1000_write_eeprom_spi(struct e1000_hw *hw, u16 offset,
+ u16 words, u16 *data);
+static s32 e1000_write_eeprom_microwire(struct e1000_hw *hw,
+ u16 offset, u16 words,
+ u16 *data);
+static s32 e1000_spi_eeprom_ready(struct e1000_hw *hw);
+static void e1000_raise_ee_clk(struct e1000_hw *hw, u32 *eecd);
+static void e1000_lower_ee_clk(struct e1000_hw *hw, u32 *eecd);
+static void e1000_shift_out_ee_bits(struct e1000_hw *hw, u16 data,
+ u16 count);
+static s32 e1000_write_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr,
+ u16 phy_data);
+static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw,u32 reg_addr,
+ u16 *phy_data);
+static u16 e1000_shift_in_ee_bits(struct e1000_hw *hw, u16 count);
+static s32 e1000_acquire_eeprom(struct e1000_hw *hw);