diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igb/e1000_phy.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_phy.c | 76 |
1 files changed, 2 insertions, 74 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c index ad2b74d95138..4009bbab7407 100644 --- a/drivers/net/ethernet/intel/igb/e1000_phy.c +++ b/drivers/net/ethernet/intel/igb/e1000_phy.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel(R) Gigabit Ethernet Linux driver - Copyright(c) 2007-2013 Intel Corporation. + Copyright(c) 2007-2014 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -13,8 +13,7 @@ more details. You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + this program; if not, see <http://www.gnu.org/licenses/>. The full GNU General Public License is included in this distribution in the file called "COPYING". @@ -394,77 +393,6 @@ s32 igb_read_sfp_data_byte(struct e1000_hw *hw, u16 offset, u8 *data) } /** - * e1000_write_sfp_data_byte - Writes SFP module data. - * @hw: pointer to the HW structure - * @offset: byte location offset to write to - * @data: data to write - * - * Writes one byte to SFP module data stored - * in SFP resided EEPROM memory or SFP diagnostic area. - * Function should be called with - * E1000_I2CCMD_SFP_DATA_ADDR(<byte offset>) for SFP module database access - * E1000_I2CCMD_SFP_DIAG_ADDR(<byte offset>) for SFP diagnostics parameters - * access - **/ -s32 e1000_write_sfp_data_byte(struct e1000_hw *hw, u16 offset, u8 data) -{ - u32 i = 0; - u32 i2ccmd = 0; - u32 data_local = 0; - - if (offset > E1000_I2CCMD_SFP_DIAG_ADDR(255)) { - hw_dbg("I2CCMD command address exceeds upper limit\n"); - return -E1000_ERR_PHY; - } - /* The programming interface is 16 bits wide - * so we need to read the whole word first - * then update appropriate byte lane and write - * the updated word back. - */ - /* Set up Op-code, EEPROM Address,in the I2CCMD - * register. The MAC will take care of interfacing - * with an EEPROM to write the data given. - */ - i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT) | - E1000_I2CCMD_OPCODE_READ); - /* Set a command to read single word */ - wr32(E1000_I2CCMD, i2ccmd); - for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT; i++) { - udelay(50); - /* Poll the ready bit to see if lastly - * launched I2C operation completed - */ - i2ccmd = rd32(E1000_I2CCMD); - if (i2ccmd & E1000_I2CCMD_READY) { - /* Check if this is READ or WRITE phase */ - if ((i2ccmd & E1000_I2CCMD_OPCODE_READ) == - E1000_I2CCMD_OPCODE_READ) { - /* Write the selected byte - * lane and update whole word - */ - data_local = i2ccmd & 0xFF00; - data_local |= data; - i2ccmd = ((offset << - E1000_I2CCMD_REG_ADDR_SHIFT) | - E1000_I2CCMD_OPCODE_WRITE | data_local); - wr32(E1000_I2CCMD, i2ccmd); - } else { - break; - } - } - } - if (!(i2ccmd & E1000_I2CCMD_READY)) { - hw_dbg("I2CCMD Write did not complete\n"); - return -E1000_ERR_PHY; - } - if (i2ccmd & E1000_I2CCMD_ERROR) { - hw_dbg("I2CCMD Error bit set\n"); - return -E1000_ERR_PHY; - } - return 0; -} - -/** * igb_read_phy_reg_igp - Read igp PHY register * @hw: pointer to the HW structure * @offset: register offset to be read |
