diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igb/e1000_phy.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_phy.c | 45 |
1 files changed, 12 insertions, 33 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c index 413025bdcb50..cd65008c7ef5 100644 --- a/drivers/net/ethernet/intel/igb/e1000_phy.c +++ b/drivers/net/ethernet/intel/igb/e1000_phy.c @@ -1,29 +1,9 @@ -/* Intel(R) Gigabit Ethernet Linux driver - * Copyright(c) 2007-2015 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, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * 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". - * - * Contact Information: - * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - */ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2007 - 2018 Intel Corporation. */ -#include <linux/if_ether.h> +#include <linux/bitfield.h> #include <linux/delay.h> - +#include <linux/if_ether.h> #include "e1000_mac.h" #include "e1000_phy.h" @@ -275,7 +255,7 @@ s32 igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data) } /* Need to byte-swap the 16-bit value. */ - *data = ((i2ccmd >> 8) & 0x00FF) | ((i2ccmd << 8) & 0xFF00); + *data = ((i2ccmd >> 8) & 0x00FF) | FIELD_PREP(0xFF00, i2ccmd); return 0; } @@ -302,7 +282,7 @@ s32 igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data) } /* Swap the data bytes for the I2C interface */ - phy_data_swapped = ((data >> 8) & 0x00FF) | ((data << 8) & 0xFF00); + phy_data_swapped = ((data >> 8) & 0x00FF) | FIELD_PREP(0xFF00, data); /* Set up Op-code, Phy Address, and register address in the I2CCMD * register. The MAC will take care of interfacing with the @@ -679,6 +659,7 @@ s32 igb_copper_link_setup_m88_gen2(struct e1000_hw *hw) phy_data |= M88E1000_PSCR_AUTO_X_1000T; break; } + fallthrough; case 0: default: phy_data |= M88E1000_PSCR_AUTO_X_MODE; @@ -855,6 +836,7 @@ s32 igb_copper_link_setup_igp(struct e1000_hw *hw) break; case e1000_ms_auto: data &= ~CR_1000T_MS_ENABLE; + break; default: break; } @@ -1700,8 +1682,7 @@ s32 igb_get_cable_length_m88(struct e1000_hw *hw) if (ret_val) goto out; - index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >> - M88E1000_PSSR_CABLE_LENGTH_SHIFT; + index = FIELD_GET(M88E1000_PSSR_CABLE_LENGTH, phy_data); if (index >= ARRAY_SIZE(e1000_m88_cable_length_table) - 1) { ret_val = -E1000_ERR_PHY; goto out; @@ -1814,8 +1795,7 @@ s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw) if (ret_val) goto out; - index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >> - M88E1000_PSSR_CABLE_LENGTH_SHIFT; + index = FIELD_GET(M88E1000_PSSR_CABLE_LENGTH, phy_data); if (index >= ARRAY_SIZE(e1000_m88_cable_length_table) - 1) { ret_val = -E1000_ERR_PHY; goto out; @@ -2596,8 +2576,7 @@ s32 igb_get_cable_length_82580(struct e1000_hw *hw) if (ret_val) goto out; - length = (phy_data & I82580_DSTATUS_CABLE_LENGTH) >> - I82580_DSTATUS_CABLE_LENGTH_SHIFT; + length = FIELD_GET(I82580_DSTATUS_CABLE_LENGTH, phy_data); if (length == E1000_CABLE_LENGTH_UNDEFINED) ret_val = -E1000_ERR_PHY; @@ -2640,7 +2619,7 @@ static s32 igb_set_master_slave_mode(struct e1000_hw *hw) break; case e1000_ms_auto: phy_data &= ~CR_1000T_MS_ENABLE; - /* fall-through */ + fallthrough; default: break; } |