diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000/e1000_hw.c')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000/e1000_hw.c | 159 |
1 files changed, 68 insertions, 91 deletions
diff --git a/drivers/net/ethernet/intel/e1000/e1000_hw.c b/drivers/net/ethernet/intel/e1000/e1000_hw.c index 4e7a0810eaeb..4c0c9433bd60 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_hw.c +++ b/drivers/net/ethernet/intel/e1000/e1000_hw.c @@ -129,7 +129,6 @@ static s32 e1000_set_phy_type(struct e1000_hw *hw) */ static void e1000_phy_init_script(struct e1000_hw *hw) { - u32 ret_val; u16 phy_saved_data; if (hw->phy_init_script) { @@ -138,7 +137,7 @@ static void e1000_phy_init_script(struct e1000_hw *hw) /* Save off the current value of register 0x2F5B to be restored * at the end of this routine. */ - ret_val = e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data); + e1000_read_phy_reg(hw, 0x2F5B, &phy_saved_data); /* Disabled the PHY transmitter */ e1000_write_phy_reg(hw, 0x2F5B, 0x0003); @@ -377,7 +376,6 @@ s32 e1000_reset_hw(struct e1000_hw *hw) { u32 ctrl; u32 ctrl_ext; - u32 icr; u32 manc; u32 led_ctrl; s32 ret_val; @@ -502,7 +500,7 @@ s32 e1000_reset_hw(struct e1000_hw *hw) ew32(IMC, 0xffffffff); /* Clear any pending interrupt events. */ - icr = er32(ICR); + er32(ICR); /* If MWI was previously enabled, reenable it. */ if (hw->mac_type == e1000_82542_rev2_0) { @@ -1897,7 +1895,6 @@ void e1000_config_collision_dist(struct e1000_hw *hw) /** * e1000_config_mac_to_phy - sync phy and mac settings * @hw: Struct containing variables accessed by shared code - * @mii_reg: data to write to the MII control register * * Sets MAC speed and duplex settings to reflect the those in the PHY * The contents of the PHY register containing the needed information need to @@ -2370,16 +2367,13 @@ static s32 e1000_check_for_serdes_link_generic(struct e1000_hw *hw) */ s32 e1000_check_for_link(struct e1000_hw *hw) { - u32 rxcw = 0; - u32 ctrl; u32 status; u32 rctl; u32 icr; - u32 signal = 0; s32 ret_val; u16 phy_data; - ctrl = er32(CTRL); + er32(CTRL); status = er32(STATUS); /* On adapters with a MAC newer than 82544, SW Definable pin 1 will be @@ -2388,12 +2382,9 @@ s32 e1000_check_for_link(struct e1000_hw *hw) */ if ((hw->media_type == e1000_media_type_fiber) || (hw->media_type == e1000_media_type_internal_serdes)) { - rxcw = er32(RXCW); + er32(RXCW); if (hw->media_type == e1000_media_type_fiber) { - signal = - (hw->mac_type > - e1000_82544) ? E1000_CTRL_SWDPIN1 : 0; if (status & E1000_STATUS_LU) hw->get_link_status = false; } @@ -2922,7 +2913,7 @@ static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr, * * @hw: Struct containing variables accessed by shared code * @reg_addr: address of the PHY register to write - * @data: data to write to the PHY + * @phy_data: data to write to the PHY * * Writes a value to a PHY register */ @@ -4410,17 +4401,9 @@ void e1000_write_vfta(struct e1000_hw *hw, u32 offset, u32 value) static void e1000_clear_vfta(struct e1000_hw *hw) { u32 offset; - u32 vfta_value = 0; - u32 vfta_offset = 0; - u32 vfta_bit_in_reg = 0; for (offset = 0; offset < E1000_VLAN_FILTER_TBL_SIZE; offset++) { - /* If the offset we want to clear is the same offset of the - * manageability VLAN ID, then clear all bits except that of the - * manageability unit - */ - vfta_value = (offset == vfta_offset) ? vfta_bit_in_reg : 0; - E1000_WRITE_REG_ARRAY(hw, VFTA, offset, vfta_value); + E1000_WRITE_REG_ARRAY(hw, VFTA, offset, 0); E1000_WRITE_FLUSH(); } } @@ -4675,78 +4658,76 @@ s32 e1000_led_off(struct e1000_hw *hw) */ static void e1000_clear_hw_cntrs(struct e1000_hw *hw) { - volatile u32 temp; - - temp = er32(CRCERRS); - temp = er32(SYMERRS); - temp = er32(MPC); - temp = er32(SCC); - temp = er32(ECOL); - temp = er32(MCC); - temp = er32(LATECOL); - temp = er32(COLC); - temp = er32(DC); - temp = er32(SEC); - temp = er32(RLEC); - temp = er32(XONRXC); - temp = er32(XONTXC); - temp = er32(XOFFRXC); - temp = er32(XOFFTXC); - temp = er32(FCRUC); - - temp = er32(PRC64); - temp = er32(PRC127); - temp = er32(PRC255); - temp = er32(PRC511); - temp = er32(PRC1023); - temp = er32(PRC1522); - - temp = er32(GPRC); - temp = er32(BPRC); - temp = er32(MPRC); - temp = er32(GPTC); - temp = er32(GORCL); - temp = er32(GORCH); - temp = er32(GOTCL); - temp = er32(GOTCH); - temp = er32(RNBC); - temp = er32(RUC); - temp = er32(RFC); - temp = er32(ROC); - temp = er32(RJC); - temp = er32(TORL); - temp = er32(TORH); - temp = er32(TOTL); - temp = er32(TOTH); - temp = er32(TPR); - temp = er32(TPT); - - temp = er32(PTC64); - temp = er32(PTC127); - temp = er32(PTC255); - temp = er32(PTC511); - temp = er32(PTC1023); - temp = er32(PTC1522); - - temp = er32(MPTC); - temp = er32(BPTC); + er32(CRCERRS); + er32(SYMERRS); + er32(MPC); + er32(SCC); + er32(ECOL); + er32(MCC); + er32(LATECOL); + er32(COLC); + er32(DC); + er32(SEC); + er32(RLEC); + er32(XONRXC); + er32(XONTXC); + er32(XOFFRXC); + er32(XOFFTXC); + er32(FCRUC); + + er32(PRC64); + er32(PRC127); + er32(PRC255); + er32(PRC511); + er32(PRC1023); + er32(PRC1522); + + er32(GPRC); + er32(BPRC); + er32(MPRC); + er32(GPTC); + er32(GORCL); + er32(GORCH); + er32(GOTCL); + er32(GOTCH); + er32(RNBC); + er32(RUC); + er32(RFC); + er32(ROC); + er32(RJC); + er32(TORL); + er32(TORH); + er32(TOTL); + er32(TOTH); + er32(TPR); + er32(TPT); + + er32(PTC64); + er32(PTC127); + er32(PTC255); + er32(PTC511); + er32(PTC1023); + er32(PTC1522); + + er32(MPTC); + er32(BPTC); if (hw->mac_type < e1000_82543) return; - temp = er32(ALGNERRC); - temp = er32(RXERRC); - temp = er32(TNCRS); - temp = er32(CEXTERR); - temp = er32(TSCTC); - temp = er32(TSCTFC); + er32(ALGNERRC); + er32(RXERRC); + er32(TNCRS); + er32(CEXTERR); + er32(TSCTC); + er32(TSCTFC); if (hw->mac_type <= e1000_82544) return; - temp = er32(MGTPRC); - temp = er32(MGTPDC); - temp = er32(MGTPTC); + er32(MGTPRC); + er32(MGTPDC); + er32(MGTPTC); } /** @@ -4778,8 +4759,6 @@ void e1000_reset_adaptive(struct e1000_hw *hw) /** * e1000_update_adaptive - update adaptive IFS * @hw: Struct containing variables accessed by shared code - * @tx_packets: Number of transmits since last callback - * @total_collisions: Number of collisions since last callback * * Called during the callback/watchdog routine to update IFS value based on * the ratio of transmits to collisions. @@ -5064,8 +5043,6 @@ static s32 e1000_check_polarity(struct e1000_hw *hw, /** * e1000_check_downshift - Check if Downshift occurred * @hw: Struct containing variables accessed by shared code - * @downshift: output parameter : 0 - No Downshift occurred. - * 1 - Downshift occurred. * * returns: - E1000_ERR_XXX * E1000_SUCCESS |