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Commit 981d0377 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
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[PATCH] skge: replace chip_rev() accessor 



Replace inline accessor functions for chip revision and number of ports
with simple structure members.

Signed-off-by: default avatarStephen Hemminger <shemminger@osdl.org>
parent 467b3417

drivers/net/skge.c

+24 −26
Original line number Diff line number Diff line
@@ -143,7 +143,7 @@ static void skge_get_regs(struct net_device *dev, struct ethtool_regs *regs, 
static int wol_supported(const struct skge_hw *hw)

{

	return !((hw->chip_id == CHIP_ID_GENESIS ||

		  (hw->chip_id == CHIP_ID_YUKON && chip_rev(hw) == 0)));

		  (hw->chip_id == CHIP_ID_YUKON && hw->chip_rev == 0)));

}



static void skge_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
@@ -1774,7 +1774,7 @@ static void yukon_mac_init(struct skge_hw *hw, int port) 


	/* WA code for COMA mode -- set PHY reset */

	if (hw->chip_id == CHIP_ID_YUKON_LITE &&

	    chip_rev(hw) == CHIP_REV_YU_LITE_A3)

	    hw->chip_rev == CHIP_REV_YU_LITE_A3)

		skge_write32(hw, B2_GP_IO,

			     (skge_read32(hw, B2_GP_IO) | GP_DIR_9 | GP_IO_9));
@@ -1784,7 +1784,7 @@ static void yukon_mac_init(struct skge_hw *hw, int port) 


	/* WA code for COMA mode -- clear PHY reset */

	if (hw->chip_id == CHIP_ID_YUKON_LITE &&

	    chip_rev(hw) == CHIP_REV_YU_LITE_A3)

	    hw->chip_rev == CHIP_REV_YU_LITE_A3)

		skge_write32(hw, B2_GP_IO,

			     (skge_read32(hw, B2_GP_IO) | GP_DIR_9)

			     & ~GP_IO_9);
@@ -1879,7 +1879,7 @@ static void yukon_mac_init(struct skge_hw *hw, int port) 
	skge_write16(hw, SK_REG(port, RX_GMF_FL_MSK), RX_FF_FL_DEF_MSK);

	reg = GMF_OPER_ON | GMF_RX_F_FL_ON;

	if (hw->chip_id == CHIP_ID_YUKON_LITE &&

	    chip_rev(hw) == CHIP_REV_YU_LITE_A3)

	    hw->chip_rev == CHIP_REV_YU_LITE_A3)

		reg &= ~GMF_RX_F_FL_ON;

	skge_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_CLR);

	skge_write16(hw, SK_REG(port, RX_GMF_CTRL_T), reg);
@@ -1896,7 +1896,7 @@ static void yukon_stop(struct skge_port *skge) 
	int port = skge->port;



	if (hw->chip_id == CHIP_ID_YUKON_LITE &&

	    chip_rev(hw) == CHIP_REV_YU_LITE_A3) {

	    hw->chip_rev == CHIP_REV_YU_LITE_A3) {

		skge_write32(hw, B2_GP_IO,

			     skge_read32(hw, B2_GP_IO) | GP_DIR_9 | GP_IO_9);

	}
@@ -2178,7 +2178,7 @@ static int skge_up(struct net_device *dev) 
		yukon_mac_init(hw, port);



	/* Configure RAMbuffers */

	chunk = hw->ram_size / (isdualport(hw) ? 4 : 2);

	chunk = hw->ram_size / ((hw->ports + 1)*2);

	ram_addr = hw->ram_offset + 2 * chunk * port;



	skge_ramset(hw, rxqaddr[port], ram_addr, chunk);
@@ -2322,7 +2322,7 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev) 
		 * does.  Looks like hardware is wrong?

		 */

		if (ip->protocol == IPPROTO_UDP

	            && chip_rev(hw) == 0 && hw->chip_id == CHIP_ID_YUKON)

	            && hw->chip_rev == 0 && hw->chip_id == CHIP_ID_YUKON)

			control = BMU_TCP_CHECK;

		else

			control = BMU_UDP_CHECK;
@@ -2684,7 +2684,7 @@ static void skge_mac_parity(struct skge_hw *hw, int port) 
	else

		/* HW-Bug #8: cleared by GMF_CLI_TX_FC instead of GMF_CLI_TX_PE */

		skge_write8(hw, SK_REG(port, TX_GMF_CTRL_T),

			    (hw->chip_id == CHIP_ID_YUKON && chip_rev(hw) == 0)

			    (hw->chip_id == CHIP_ID_YUKON && hw->chip_rev == 0)

			    ? GMF_CLI_TX_FC : GMF_CLI_TX_PE);

}
@@ -2919,8 +2919,8 @@ static const char *skge_board_name(const struct skge_hw *hw) 
static int skge_reset(struct skge_hw *hw)

{

	u16 ctst;

	u8 t8;

	int i, ports;

	u8 t8, mac_cfg;

	int i;



	ctst = skge_read16(hw, B0_CTST);
@@ -2975,8 +2975,9 @@ static int skge_reset(struct skge_hw *hw) 
		return -EOPNOTSUPP;

	}



	hw->mac_cfg = skge_read8(hw, B2_MAC_CFG);

	ports = isdualport(hw) ? 2 : 1;

	mac_cfg = skge_read8(hw, B2_MAC_CFG);

	hw->ports = (mac_cfg & CFG_SNG_MAC) ? 1 : 2;

	hw->chip_rev = (mac_cfg & CFG_CHIP_R_MSK) >> 4;



	/* read the adapters RAM size */

	t8 = skge_read8(hw, B2_E_0);
@@ -2999,7 +3000,7 @@ static int skge_reset(struct skge_hw *hw) 
		/* switch power to VCC (WA for VAUX problem) */

		skge_write8(hw, B0_POWER_CTRL,

			    PC_VAUX_ENA | PC_VCC_ENA | PC_VAUX_OFF | PC_VCC_ON);

		for (i = 0; i < ports; i++) {

		for (i = 0; i < hw->ports; i++) {

			skge_write16(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET);

			skge_write16(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_CLR);

		}
@@ -3011,7 +3012,7 @@ static int skge_reset(struct skge_hw *hw) 
	skge_write8(hw, B0_LED, LED_STAT_ON);



	/* enable the Tx Arbiters */

	for (i = 0; i < ports; i++)

	for (i = 0; i < hw->ports; i++)

		skge_write8(hw, SK_REG(i, TXA_CTRL), TXA_ENA_ARB);



	/* Initialize ram interface */
@@ -3040,7 +3041,7 @@ static int skge_reset(struct skge_hw *hw) 
	skge_write32(hw, B2_IRQM_CTRL, TIM_START);



	hw->intr_mask = IS_HW_ERR | IS_EXT_REG | IS_PORT_1;

	if (isdualport(hw))

	if (hw->ports > 1)

		hw->intr_mask |= IS_PORT_2;

	skge_write32(hw, B0_IMSK, hw->intr_mask);
@@ -3048,7 +3049,7 @@ static int skge_reset(struct skge_hw *hw) 
		skge_write8(hw, GMAC_IRQ_MSK, 0);



	spin_lock_bh(&hw->phy_lock);

	for (i = 0; i < ports; i++) {

	for (i = 0; i < hw->ports; i++) {

		if (hw->chip_id == CHIP_ID_GENESIS)

			genesis_reset(hw, i);

		else
@@ -3060,7 +3061,8 @@ static int skge_reset(struct skge_hw *hw) 
}



/* Initialize network device */

static struct net_device *skge_devinit(struct skge_hw *hw, int port)

static struct net_device *skge_devinit(struct skge_hw *hw, int port,

				       int highmem)

{

	struct skge_port *skge;

	struct net_device *dev = alloc_etherdev(sizeof(*skge));
@@ -3093,6 +3095,8 @@ static struct net_device *skge_devinit(struct skge_hw *hw, int port) 
#endif

	dev->irq = hw->pdev->irq;

	dev->features = NETIF_F_LLTX;

	if (highmem)

		dev->features |= NETIF_F_HIGHDMA;



	skge = netdev_priv(dev);

	skge->netdev = dev;
@@ -3221,14 +3225,11 @@ static int __devinit skge_probe(struct pci_dev *pdev, 


	printk(KERN_INFO PFX "addr 0x%lx irq %d chip %s rev %d\n",

	       pci_resource_start(pdev, 0), pdev->irq,

	       skge_board_name(hw), chip_rev(hw));

	       skge_board_name(hw), hw->chip_rev);



	if ((dev = skge_devinit(hw, 0)) == NULL)

	if ((dev = skge_devinit(hw, 0, using_dac)) == NULL)

		goto err_out_led_off;



	if (using_dac)

		dev->features |= NETIF_F_HIGHDMA;



	if ((err = register_netdev(dev))) {

		printk(KERN_ERR PFX "%s: cannot register net device\n",

		       pci_name(pdev));
@@ -3237,10 +3238,7 @@ static int __devinit skge_probe(struct pci_dev *pdev, 


	skge_show_addr(dev);



	if (isdualport(hw) && (dev1 = skge_devinit(hw, 1))) {

		if (using_dac)

			dev1->features |= NETIF_F_HIGHDMA;



	if (hw->ports > 1 && (dev1 = skge_devinit(hw, 1, using_dac))) {

		if (register_netdev(dev1) == 0)

			skge_show_addr(dev1);

		else {

drivers/net/skge.h

+2 −10
Original line number Diff line number Diff line
@@ -2793,11 +2793,12 @@ struct skge_hw { 
	u32		     intr_mask;

	struct net_device    *dev[2];



	u8		     mac_cfg;

	u8	     	     chip_id;

	u8		     chip_rev;

	u8		     phy_type;

	u8		     pmd_type;

	u16		     phy_addr;

	u8		     ports;



	u32	     	     ram_size;

	u32	     	     ram_offset;
@@ -2806,15 +2807,6 @@ struct skge_hw { 
	spinlock_t	     phy_lock;

};



static inline int isdualport(const struct skge_hw *hw)

{

	return !(hw->mac_cfg & CFG_SNG_MAC);

}



static inline u8 chip_rev(const struct skge_hw *hw)

{

	return (hw->mac_cfg & CFG_CHIP_R_MSK) >> 4;

}



static inline int iscopper(const struct skge_hw *hw)

{