net: dc2114x: Introduce private data
Introduce dc2114x_priv, which is a super-structure around eth_device
and tracks per-device state and the device IO address.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
diff --git a/drivers/net/dc2114x.c b/drivers/net/dc2114x.c
index 9cafa3b..2976561 100644
--- a/drivers/net/dc2114x.c
+++ b/drivers/net/dc2114x.c
@@ -94,6 +94,13 @@
u32 next;
};
+struct dc2114x_priv {
+ struct eth_device dev;
+ char *name;
+ void __iomem *iobase;
+ u8 *enetaddr;
+};
+
/* RX and TX descriptor ring */
static struct de4x5_desc rx_ring[NUM_RX_DESC] __aligned(32);
static struct de4x5_desc tx_ring[NUM_TX_DESC] __aligned(32);
@@ -460,9 +467,9 @@
pci_write_config_byte(devbusfn, PCI_CFDA_PSM, SLEEP);
}
-static void read_hw_addr(struct eth_device *dev, struct bd_info *bis)
+static void read_hw_addr(struct dc2114x_priv *priv)
{
- u_short tmp, *p = (u_short *)(&dev->enetaddr[0]);
+ u_short tmp, *p = (u_short *)(&priv->enetaddr[0]);
int i, j = 0;
for (i = 0; i < (ETH_ALEN >> 1); i++) {
@@ -472,7 +479,7 @@
}
if (!j || j == 0x2fffd) {
- memset(dev->enetaddr, 0, ETH_ALEN);
+ memset(priv->enetaddr, 0, ETH_ALEN);
debug("Warning: can't read HW address from SROM.\n");
}
}
@@ -485,6 +492,7 @@
int dc21x4x_initialize(struct bd_info *bis)
{
+ struct dc2114x_priv *priv;
struct eth_device *dev;
unsigned short status;
unsigned char timer;
@@ -526,15 +534,18 @@
iobase &= PCI_BASE_ADDRESS_MEM_MASK;
debug("dc21x4x: DEC 21142 PCI Device @0x%x\n", iobase);
- dev = (struct eth_device *)malloc(sizeof(*dev));
- if (!dev) {
+ priv = malloc(sizeof(*priv));
+ if (!priv) {
printf("Can not allocalte memory of dc21x4x\n");
break;
}
+ memset(priv, 0, sizeof(*priv));
- memset(dev, 0, sizeof(*dev));
+ dev = &priv->dev;
sprintf(dev->name, "dc21x4x#%d", card_number);
+ priv->name = dev->name;
+ priv->enetaddr = dev->enetaddr;
dev->iobase = pci_mem_to_phys(devbusfn, iobase);
dev->priv = (void *)devbusfn;
@@ -548,7 +559,7 @@
udelay(10 * 1000);
- read_hw_addr(dev, bis);
+ read_hw_addr(priv);
eth_register(dev);