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sky2: Refactor sky2_up into two functions 

Move hardware initialization into sky2_hw_up.

Signed-off-by: Mike McCormack <mikem@ring3k.org>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mike McCormack 2010-02-12 06:58:04 +00:00 committed by David S. Miller
parent 200ac492b3
commit ea0f71e59c
1 changed files with 25 additions and 16 deletions
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41
drivers/net/sky2.c
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@ -1525,16 +1525,16 @@ static void sky2_free_buffers(struct sky2_port *sky2)
sky2->rx_ring = NULL;
}
/* Bring up network interface. */
static int sky2_up(struct net_device *dev)
static void sky2_hw_up(struct sky2_port *sky2)
{
struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
u32 imask, ramsize;
int cap, err;
u32 ramsize;
int cap;
struct net_device *otherdev = hw->dev[sky2->port^1];
tx_init(sky2);
/*
* On dual port PCI-X card, there is an problem where status
* can be received out of order due to split transactions
@ -1546,16 +1546,7 @@ static int sky2_up(struct net_device *dev)
cmd = sky2_pci_read16(hw, cap + PCI_X_CMD);
cmd &= ~PCI_X_CMD_MAX_SPLIT;
sky2_pci_write16(hw, cap + PCI_X_CMD, cmd);
}
netif_carrier_off(dev);
err = sky2_alloc_buffers(sky2);
if (err)
goto err_out;
tx_init(sky2);
}
sky2_mac_init(hw, port);
@ -1564,7 +1555,7 @@ static int sky2_up(struct net_device *dev)
if (ramsize > 0) {
u32 rxspace;
pr_debug(PFX "%s: ram buffer %dK\n", dev->name, ramsize);
pr_debug(PFX "%s: ram buffer %dK\n", sky2->netdev->name, ramsize);
if (ramsize < 16)
rxspace = ramsize / 2;
else
@ -1597,6 +1588,24 @@ static int sky2_up(struct net_device *dev)
#endif
sky2_rx_start(sky2);
}
/* Bring up network interface. */
static int sky2_up(struct net_device *dev)
{
struct sky2_port *sky2 = netdev_priv(dev);
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
u32 imask;
int err;
netif_carrier_off(dev);
err = sky2_alloc_buffers(sky2);
if (err)
goto err_out;
sky2_hw_up(sky2);
/* Enable interrupts from phy/mac for port */
imask = sky2_read32(hw, B0_IMSK);