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sky2: use duplex result bits 

The result of duplex negotiation is avaliable in the phy status
register, so use that to simplify code and avoid rereading the PHY.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
This commit is contained in:
Stephen Hemminger 2006-10-17 10:24:08 -07:00
parent 0edea0f54e
commit 7c74ac1c23
1 changed files with 1 additions and 20 deletions
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21
drivers/net/sky2.c
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@ -1714,26 +1714,7 @@ static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux)
} }
sky2->speed = sky2_phy_speed(hw, aux); sky2->speed = sky2_phy_speed(hw, aux);
if (sky2->speed == SPEED_1000) { sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF;
u16 ctl2 = gm_phy_read(hw, port, PHY_MARV_1000T_CTRL);
u16 lpa2 = gm_phy_read(hw, port, PHY_MARV_1000T_STAT);
if (lpa2 & PHY_B_1000S_MSF) {
printk(KERN_ERR PFX "%s: master/slave fault",
sky2->netdev->name);
return -1;
}
if ((ctl2 & PHY_M_1000C_AFD) && (lpa2 & PHY_B_1000S_LP_FD))
sky2->duplex = DUPLEX_FULL;
else
sky2->duplex = DUPLEX_HALF;
} else {
u16 adv = gm_phy_read(hw, port, PHY_MARV_AUNE_ADV);
if ((aux & adv) & PHY_AN_FULL)
sky2->duplex = DUPLEX_FULL;
else
sky2->duplex = DUPLEX_HALF;
}
/* Pause bits are offset (9..8) */ /* Pause bits are offset (9..8) */
if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U) if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)