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Commit b96936da authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
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sky2: split phy power into two functions 



Later changes add more code to PHY power changes so refactor now.

Signed-off-by: default avatarStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 25d90810

drivers/net/sky2.c

+24 −15
Original line number Diff line number Diff line
@@ -619,28 +619,35 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) 
		gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK);

}



static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff)

{

	u32 reg1;

static const u32 phy_power[] = { PCI_Y2_PHY1_POWD, PCI_Y2_PHY2_POWD };

static const u32 coma_mode[] = { PCI_Y2_PHY1_COMA, PCI_Y2_PHY2_COMA };



static void sky2_phy_power_up(struct sky2_hw *hw, unsigned port)

{

	u32 reg1;



	sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);

	reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);

	/* Turn on/off phy power saving */

	if (onoff)

	reg1 &= ~phy_power[port];

	else

		reg1 |= phy_power[port];



	if (onoff && hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1)

	if (hw->chip_id == CHIP_ID_YUKON_XL && hw->chip_rev > 1)

		reg1 |= coma_mode[port];



	sky2_pci_write32(hw, PCI_DEV_REG1, reg1);

	sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);

	sky2_pci_read32(hw, PCI_DEV_REG1);

}



static void sky2_phy_power_down(struct sky2_hw *hw, unsigned port)

{

	u32 reg1;



	udelay(100);

	sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);

	reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);

	reg1 |= phy_power[port];



	sky2_pci_write32(hw, PCI_DEV_REG1, reg1);

	sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);

}



/* Force a renegotiation */
@@ -675,8 +682,11 @@ static void sky2_wol_init(struct sky2_port *sky2) 


	sky2->advertising &= ~(ADVERTISED_1000baseT_Half|ADVERTISED_1000baseT_Full);

	sky2->flow_mode = FC_NONE;

	sky2_phy_power(hw, port, 1);

	sky2_phy_reinit(sky2);



	spin_lock_bh(&sky2->phy_lock);

	sky2_phy_power_up(hw, port);

	sky2_phy_init(hw, port);

	spin_unlock_bh(&sky2->phy_lock);



	sky2->flow_mode = save_mode;

	sky2->advertising = ctrl;
@@ -781,6 +791,7 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) 
	sky2_write8(hw, SK_REG(port, GMAC_IRQ_MSK), GMAC_DEF_MSK);



	spin_lock_bh(&sky2->phy_lock);

	sky2_phy_power_up(hw, port);

	sky2_phy_init(hw, port);

	spin_unlock_bh(&sky2->phy_lock);
@@ -1385,8 +1396,6 @@ static int sky2_up(struct net_device *dev) 
	if (!sky2->rx_ring)

		goto err_out;



	sky2_phy_power(hw, port, 1);



	sky2_mac_init(hw, port);



	/* Register is number of 4K blocks on internal RAM buffer. */
@@ -1767,7 +1776,7 @@ static int sky2_down(struct net_device *dev) 
	sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);

	sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);



	sky2_phy_power(hw, port, 0);

	sky2_phy_power_down(hw, port);



	netif_carrier_off(dev);