leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sfc: Remove unused code for non-autoneg speed/duplex switching

Browse Source 
The only multi-speed PHY driver using this is 10Xpress, and it does
not support non-autoneg operation.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2009-10-23 08:33:27 +00:00 committed by David S. Miller
parent 18ea024fd6
commit fc2b5e673f
1 changed files with 36 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

102
drivers/net/sfc/mdio_10g.c
View File

@ -248,7 +248,7 @@ void efx_mdio_set_mmds_lpower(struct efx_nic *efx,
int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
{
struct ethtool_cmd prev;
u32 required;
bool xnp;
int reg;
efx->phy_op->get_settings(efx, &prev);
@ -265,76 +265,46 @@ int efx_mdio_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd)
return -EINVAL;
/* Check that PHY supports these settings */
if (ecmd->autoneg) {
required = SUPPORTED_Autoneg;
} else if (ecmd->duplex) {
switch (ecmd->speed) {
case SPEED_10: required = SUPPORTED_10baseT_Full; break;
case SPEED_100: required = SUPPORTED_100baseT_Full; break;
default: return -EINVAL;
}
} else {
switch (ecmd->speed) {
case SPEED_10: required = SUPPORTED_10baseT_Half; break;
case SPEED_100: required = SUPPORTED_100baseT_Half; break;
default: return -EINVAL;
}
}
required |= ecmd->advertising;
if (required & ~prev.supported)
if (!ecmd->autoneg ||
(ecmd->advertising | SUPPORTED_Autoneg) & ~prev.supported)
return -EINVAL;
if (ecmd->autoneg) {
bool xnp = (ecmd->advertising & ADVERTISED_10000baseT_Full
|| EFX_WORKAROUND_13204(efx));
xnp = (ecmd->advertising & ADVERTISED_10000baseT_Full
|| EFX_WORKAROUND_13204(efx));
/* Set up the base page */
reg = ADVERTISE_CSMA;
if (ecmd->advertising & ADVERTISED_10baseT_Half)
reg |= ADVERTISE_10HALF;
if (ecmd->advertising & ADVERTISED_10baseT_Full)
reg |= ADVERTISE_10FULL;
if (ecmd->advertising & ADVERTISED_100baseT_Half)
reg |= ADVERTISE_100HALF;
if (ecmd->advertising & ADVERTISED_100baseT_Full)
reg |= ADVERTISE_100FULL;
if (xnp)
reg |= ADVERTISE_RESV;
else if (ecmd->advertising & (ADVERTISED_1000baseT_Half |
ADVERTISED_1000baseT_Full))
reg |= ADVERTISE_NPAGE;
reg |= mii_advertise_flowctrl(efx->wanted_fc);
efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, reg);
/* Set up the base page */
reg = ADVERTISE_CSMA;
if (ecmd->advertising & ADVERTISED_10baseT_Half)
reg |= ADVERTISE_10HALF;
if (ecmd->advertising & ADVERTISED_10baseT_Full)
reg |= ADVERTISE_10FULL;
if (ecmd->advertising & ADVERTISED_100baseT_Half)
reg |= ADVERTISE_100HALF;
if (ecmd->advertising & ADVERTISED_100baseT_Full)
reg |= ADVERTISE_100FULL;
if (xnp)
reg |= ADVERTISE_RESV;
else if (ecmd->advertising & (ADVERTISED_1000baseT_Half |
ADVERTISED_1000baseT_Full))
reg |= ADVERTISE_NPAGE;
reg |= mii_advertise_flowctrl(efx->wanted_fc);
efx_mdio_write(efx, MDIO_MMD_AN, MDIO_AN_ADVERTISE, reg);
/* Set up the (extended) next page if necessary */
if (efx->phy_op->set_npage_adv)
efx->phy_op->set_npage_adv(efx, ecmd->advertising);
/* Set up the (extended) next page if necessary */
if (efx->phy_op->set_npage_adv)
efx->phy_op->set_npage_adv(efx, ecmd->advertising);
/* Enable and restart AN */
reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_CTRL1);
reg |= MDIO_AN_CTRL1_ENABLE;
if (!(EFX_WORKAROUND_15195(efx) &&
LOOPBACK_MASK(efx) & efx->phy_op->loopbacks))
reg |= MDIO_AN_CTRL1_RESTART;
if (xnp)
reg |= MDIO_AN_CTRL1_XNP;
else
reg &= ~MDIO_AN_CTRL1_XNP;
efx_mdio_write(efx, MDIO_MMD_AN, MDIO_CTRL1, reg);
} else {
/* Disable AN */
efx_mdio_set_flag(efx, MDIO_MMD_AN, MDIO_CTRL1,
MDIO_AN_CTRL1_ENABLE, false);
/* Set the basic control bits */
reg = efx_mdio_read(efx, MDIO_MMD_PMAPMD, MDIO_CTRL1);
reg &= ~(MDIO_CTRL1_SPEEDSEL | MDIO_CTRL1_FULLDPLX);
if (ecmd->speed == SPEED_100)
reg |= MDIO_PMA_CTRL1_SPEED100;
if (ecmd->duplex)
reg |= MDIO_CTRL1_FULLDPLX;
efx_mdio_write(efx, MDIO_MMD_PMAPMD, MDIO_CTRL1, reg);
}
/* Enable and restart AN */
reg = efx_mdio_read(efx, MDIO_MMD_AN, MDIO_CTRL1);
reg |= MDIO_AN_CTRL1_ENABLE;
if (!(EFX_WORKAROUND_15195(efx) &&
LOOPBACK_MASK(efx) & efx->phy_op->loopbacks))
reg |= MDIO_AN_CTRL1_RESTART;
if (xnp)
reg |= MDIO_AN_CTRL1_XNP;
else
reg &= ~MDIO_AN_CTRL1_XNP;
efx_mdio_write(efx, MDIO_MMD_AN, MDIO_CTRL1, reg);
return 0;
}