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staging: et131x: Only configure regs if link state changes

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Some config regs get set whenever adjust_link() is called. Change this
so that these registers only get set when the link state changes to UP.

Also remove unnecessary second assignment of boot_coma.

Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mark Einon 2013-01-13 20:31:16 +00:00 committed by Greg Kroah-Hartman
parent ed73591a5c
commit 6903098c16
1 changed files with 38 additions and 45 deletions
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83
drivers/staging/et131x/et131x.c
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@ -3819,46 +3819,6 @@ static void et131x_adjust_link(struct net_device *netdev)
struct et131x_adapter *adapter = netdev_priv(netdev);
struct phy_device *phydev = adapter->phydev;
if (netif_carrier_ok(netdev)) {
adapter->boot_coma = 20;
if (phydev && phydev->speed == SPEED_10) {
/*
* NOTE - Is there a way to query this without
* TruePHY?
* && TRU_QueryCoreType(adapter->hTruePhy, 0)==
* EMI_TRUEPHY_A13O) {
*/
u16 register18;
et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG,
&register18);
et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG,
register18 | 0x4);
et131x_mii_write(adapter, PHY_INDEX_REG,
register18 | 0x8402);
et131x_mii_write(adapter, PHY_DATA_REG,
register18 | 511);
et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG,
register18);
}
et1310_config_flow_control(adapter);
if (phydev && phydev->speed == SPEED_1000 &&
adapter->registry_jumbo_packet > 2048) {
u16 reg;
et131x_mii_read(adapter, PHY_CONFIG, &reg);
reg &= ~ET_PHY_CONFIG_TX_FIFO_DEPTH;
reg |= ET_PHY_CONFIG_FIFO_DEPTH_32;
et131x_mii_write(adapter, PHY_CONFIG, reg);
}
et131x_set_rx_dma_timer(adapter);
et1310_config_mac_regs2(adapter);
}
if (phydev && phydev->link != adapter->link) {
/*
* Check to see if we are in coma mode and if
@ -3868,11 +3828,47 @@ static void et131x_adjust_link(struct net_device *netdev)
if (et1310_in_phy_coma(adapter))
et1310_disable_phy_coma(adapter);
adapter->link = phydev->link;
phy_print_status(phydev);
if (phydev->link) {
adapter->boot_coma = 20;
if (phydev && phydev->speed == SPEED_10) {
/*
* NOTE - Is there a way to query this without
* TruePHY?
* && TRU_QueryCoreType(adapter->hTruePhy, 0)==
* EMI_TRUEPHY_A13O) {
*/
u16 register18;
et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG,
&register18);
et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG,
register18 | 0x4);
et131x_mii_write(adapter, PHY_INDEX_REG,
register18 | 0x8402);
et131x_mii_write(adapter, PHY_DATA_REG,
register18 | 511);
et131x_mii_write(adapter, PHY_MPHY_CONTROL_REG,
register18);
}
et1310_config_flow_control(adapter);
if (phydev && phydev->speed == SPEED_1000 &&
adapter->registry_jumbo_packet > 2048) {
u16 reg;
et131x_mii_read(adapter, PHY_CONFIG, &reg);
reg &= ~ET_PHY_CONFIG_TX_FIFO_DEPTH;
reg |= ET_PHY_CONFIG_FIFO_DEPTH_32;
et131x_mii_write(adapter, PHY_CONFIG, reg);
}
et131x_set_rx_dma_timer(adapter);
et1310_config_mac_regs2(adapter);
} else {
dev_warn(&adapter->pdev->dev,
"Link down - cable problem ?\n");
adapter->boot_coma = 0;
if (phydev->speed == SPEED_10) {
@ -3917,9 +3913,6 @@ static void et131x_adjust_link(struct net_device *netdev)
et131x_enable_txrx(netdev);
}
adapter->link = phydev->link;
phy_print_status(phydev);
}
}