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net: lan743x: Create separate Link Speed Duplex state function

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Create separate Link Speed Duplex (LSD) update state function from
lan743x_sgmii_config () to use as subroutine.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Raju Lakkaraju 2024-09-06 16:05:09 +05:30 committed by David S. Miller
parent ef0250456c
commit 92b740a43f
1 changed files with 45 additions and 30 deletions
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75
drivers/net/ethernet/microchip/lan743x_main.c
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@ -992,6 +992,42 @@ static int lan743x_sgmii_write(struct lan743x_adapter *adapter,
return ret;
}
static int lan743x_get_lsd(int speed, int duplex, u8 mss)
{
int lsd;
switch (speed) {
case SPEED_2500:
if (mss == MASTER_SLAVE_STATE_SLAVE)
lsd = LINK_2500_SLAVE;
else
lsd = LINK_2500_MASTER;
break;
case SPEED_1000:
if (mss == MASTER_SLAVE_STATE_SLAVE)
lsd = LINK_1000_SLAVE;
else
lsd = LINK_1000_MASTER;
break;
case SPEED_100:
if (duplex == DUPLEX_FULL)
lsd = LINK_100FD;
else
lsd = LINK_100HD;
break;
case SPEED_10:
if (duplex == DUPLEX_FULL)
lsd = LINK_10FD;
else
lsd = LINK_10HD;
break;
default:
lsd = -EINVAL;
}
return lsd;
}
static int lan743x_sgmii_mpll_set(struct lan743x_adapter *adapter,
u16 baud)
{
@ -1179,42 +1215,21 @@ static int lan743x_sgmii_config(struct lan743x_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
struct phy_device *phydev = netdev->phydev;
enum lan743x_sgmii_lsd lsd = POWER_DOWN;
bool status;
int ret;
switch (phydev->speed) {
case SPEED_2500:
if (phydev->master_slave_state == MASTER_SLAVE_STATE_MASTER)
lsd = LINK_2500_MASTER;
else
lsd = LINK_2500_SLAVE;
break;
case SPEED_1000:
if (phydev->master_slave_state == MASTER_SLAVE_STATE_MASTER)
lsd = LINK_1000_MASTER;
else
lsd = LINK_1000_SLAVE;
break;
case SPEED_100:
if (phydev->duplex)
lsd = LINK_100FD;
else
lsd = LINK_100HD;
break;
case SPEED_10:
if (phydev->duplex)
lsd = LINK_10FD;
else
lsd = LINK_10HD;
break;
default:
ret = lan743x_get_lsd(phydev->speed, phydev->duplex,
phydev->master_slave_state);
if (ret < 0) {
netif_err(adapter, drv, adapter->netdev,
"Invalid speed %d\n", phydev->speed);
return -EINVAL;
"error %d link-speed-duplex(LSD) invalid\n", ret);
return ret;
}
adapter->sgmii_lsd = lsd;
adapter->sgmii_lsd = ret;
netif_dbg(adapter, drv, adapter->netdev,
"Link Speed Duplex (lsd) : 0x%X\n", adapter->sgmii_lsd);
ret = lan743x_sgmii_aneg_update(adapter);
if (ret < 0) {
netif_err(adapter, drv, adapter->netdev,