diff options
Diffstat (limited to 'drivers/net/ethernet/intel/e1000/e1000_hw.c')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000/e1000_hw.c | 46 |
1 files changed, 20 insertions, 26 deletions
diff --git a/drivers/net/ethernet/intel/e1000/e1000_hw.c b/drivers/net/ethernet/intel/e1000/e1000_hw.c index 4542e2bc28e8..f9328f2e669f 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_hw.c +++ b/drivers/net/ethernet/intel/e1000/e1000_hw.c @@ -5,6 +5,7 @@ * Shared functions for accessing and configuring the MAC */ +#include <linux/bitfield.h> #include "e1000.h" static s32 e1000_check_downshift(struct e1000_hw *hw); @@ -3260,8 +3261,7 @@ static s32 e1000_phy_igp_get_info(struct e1000_hw *hw, return ret_val; phy_info->mdix_mode = - (e1000_auto_x_mode) ((phy_data & IGP01E1000_PSSR_MDIX) >> - IGP01E1000_PSSR_MDIX_SHIFT); + (e1000_auto_x_mode)FIELD_GET(IGP01E1000_PSSR_MDIX, phy_data); if ((phy_data & IGP01E1000_PSSR_SPEED_MASK) == IGP01E1000_PSSR_SPEED_1000MBPS) { @@ -3272,11 +3272,11 @@ static s32 e1000_phy_igp_get_info(struct e1000_hw *hw, if (ret_val) return ret_val; - phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >> - SR_1000T_LOCAL_RX_STATUS_SHIFT) ? + phy_info->local_rx = FIELD_GET(SR_1000T_LOCAL_RX_STATUS, + phy_data) ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok; - phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >> - SR_1000T_REMOTE_RX_STATUS_SHIFT) ? + phy_info->remote_rx = FIELD_GET(SR_1000T_REMOTE_RX_STATUS, + phy_data) ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok; /* Get cable length */ @@ -3326,14 +3326,12 @@ static s32 e1000_phy_m88_get_info(struct e1000_hw *hw, return ret_val; phy_info->extended_10bt_distance = - ((phy_data & M88E1000_PSCR_10BT_EXT_DIST_ENABLE) >> - M88E1000_PSCR_10BT_EXT_DIST_ENABLE_SHIFT) ? + FIELD_GET(M88E1000_PSCR_10BT_EXT_DIST_ENABLE, phy_data) ? e1000_10bt_ext_dist_enable_lower : e1000_10bt_ext_dist_enable_normal; phy_info->polarity_correction = - ((phy_data & M88E1000_PSCR_POLARITY_REVERSAL) >> - M88E1000_PSCR_POLARITY_REVERSAL_SHIFT) ? + FIELD_GET(M88E1000_PSCR_POLARITY_REVERSAL, phy_data) ? e1000_polarity_reversal_disabled : e1000_polarity_reversal_enabled; /* Check polarity status */ @@ -3347,27 +3345,25 @@ static s32 e1000_phy_m88_get_info(struct e1000_hw *hw, return ret_val; phy_info->mdix_mode = - (e1000_auto_x_mode) ((phy_data & M88E1000_PSSR_MDIX) >> - M88E1000_PSSR_MDIX_SHIFT); + (e1000_auto_x_mode)FIELD_GET(M88E1000_PSSR_MDIX, phy_data); if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) { /* Cable Length Estimation and Local/Remote Receiver Information * are only valid at 1000 Mbps. */ phy_info->cable_length = - (e1000_cable_length) ((phy_data & - M88E1000_PSSR_CABLE_LENGTH) >> - M88E1000_PSSR_CABLE_LENGTH_SHIFT); + (e1000_cable_length)FIELD_GET(M88E1000_PSSR_CABLE_LENGTH, + phy_data); ret_val = e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data); if (ret_val) return ret_val; - phy_info->local_rx = ((phy_data & SR_1000T_LOCAL_RX_STATUS) >> - SR_1000T_LOCAL_RX_STATUS_SHIFT) ? + phy_info->local_rx = FIELD_GET(SR_1000T_LOCAL_RX_STATUS, + phy_data) ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok; - phy_info->remote_rx = ((phy_data & SR_1000T_REMOTE_RX_STATUS) >> - SR_1000T_REMOTE_RX_STATUS_SHIFT) ? + phy_info->remote_rx = FIELD_GET(SR_1000T_REMOTE_RX_STATUS, + phy_data) ? e1000_1000t_rx_status_ok : e1000_1000t_rx_status_not_ok; } @@ -3515,7 +3511,7 @@ s32 e1000_init_eeprom_params(struct e1000_hw *hw) if (ret_val) return ret_val; eeprom_size = - (eeprom_size & EEPROM_SIZE_MASK) >> EEPROM_SIZE_SHIFT; + FIELD_GET(EEPROM_SIZE_MASK, eeprom_size); /* 256B eeprom size was not supported in earlier hardware, so we * bump eeprom_size up one to ensure that "1" (which maps to * 256B) is never the result used in the shifting logic below. @@ -4891,8 +4887,7 @@ static s32 e1000_get_cable_length(struct e1000_hw *hw, u16 *min_length, &phy_data); if (ret_val) return ret_val; - cable_length = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >> - M88E1000_PSSR_CABLE_LENGTH_SHIFT; + cable_length = FIELD_GET(M88E1000_PSSR_CABLE_LENGTH, phy_data); /* Convert the enum value to ranged values */ switch (cable_length) { @@ -5001,8 +4996,7 @@ static s32 e1000_check_polarity(struct e1000_hw *hw, &phy_data); if (ret_val) return ret_val; - *polarity = ((phy_data & M88E1000_PSSR_REV_POLARITY) >> - M88E1000_PSSR_REV_POLARITY_SHIFT) ? + *polarity = FIELD_GET(M88E1000_PSSR_REV_POLARITY, phy_data) ? e1000_rev_polarity_reversed : e1000_rev_polarity_normal; } else if (hw->phy_type == e1000_phy_igp) { @@ -5072,8 +5066,8 @@ static s32 e1000_check_downshift(struct e1000_hw *hw) if (ret_val) return ret_val; - hw->speed_downgraded = (phy_data & M88E1000_PSSR_DOWNSHIFT) >> - M88E1000_PSSR_DOWNSHIFT_SHIFT; + hw->speed_downgraded = FIELD_GET(M88E1000_PSSR_DOWNSHIFT, + phy_data); } return E1000_SUCCESS; |