[PATCH 2.5 5/5] alloc_etherdev for smc91c92_cs

Daniel Ritz (daniel.ritz@gmx.ch)
Tue, 24 Jun 2003 23:31:35 +0200

net_device is no longer allocated as part of the driver's private structure,
instead it's allocated via alloc_netdev. compile tested only since no hardware
against 2.5.73-bk

-daniel

===== smc91c92_cs.c 1.18 vs edited =====
--- 1.18/drivers/net/pcmcia/smc91c92_cs.c Sun May 4 23:20:34 2003
+++ edited/smc91c92_cs.c Tue Jun 24 22:07:31 2003
@@ -113,7 +113,6 @@

struct smc_private {
dev_link_t link;
- struct net_device dev;
spinlock_t lock;
u_short manfid;
u_short cardid;
@@ -344,10 +343,13 @@
flush_stale_links();

/* Create new ethernet device */
- smc = kmalloc(sizeof(struct smc_private), GFP_KERNEL);
- if (!smc) return NULL;
- memset(smc, 0, sizeof(struct smc_private));
- link = &smc->link; dev = &smc->dev;
+ dev = alloc_etherdev(sizeof(struct smc_private));
+ if (!dev)
+ return NULL;
+ smc = dev->priv;
+ link = &smc->link;
+ link->priv = dev;
+
spin_lock_init(&smc->lock);
init_timer(&link->release);
link->release.function = &smc91c92_release;
@@ -363,6 +365,7 @@
for (i = 0; i < 4; i++)
link->irq.IRQInfo2 |= 1 << irq_list[i];
link->irq.Handler = &smc_interrupt;
+ link->irq.Instance = dev;
link->conf.Attributes = CONF_ENABLE_IRQ;
link->conf.Vcc = 50;
link->conf.IntType = INT_MEMORY_AND_IO;
@@ -373,7 +376,6 @@
dev->get_stats = &smc_get_stats;
dev->set_config = &s9k_config;
dev->set_multicast_list = &set_rx_mode;
- ether_setup(dev);
dev->open = &smc_open;
dev->stop = &smc_close;
dev->do_ioctl = &smc_ioctl;
@@ -381,7 +383,6 @@
dev->tx_timeout = smc_tx_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
#endif
- dev->priv = link->priv = link->irq.Instance = smc;

smc->mii_if.dev = dev;
smc->mii_if.mdio_read = mdio_read;
@@ -421,7 +422,7 @@

static void smc91c92_detach(dev_link_t *link)
{
- struct smc_private *smc = link->priv;
+ struct net_device *dev = link->priv;
dev_link_t **linkp;

DEBUG(0, "smc91c92_detach(0x%p)\n", link);
@@ -447,8 +448,8 @@
/* Unlink device structure, free bits */
*linkp = link->next;
if (link->dev)
- unregister_netdev(&smc->dev);
- kfree(smc);
+ unregister_netdev(dev);
+ kfree(dev);

} /* smc91c92_detach */

@@ -502,7 +503,8 @@

static int mhz_3288_power(dev_link_t *link)
{
- struct smc_private *smc = link->priv;
+ struct net_device *dev = link->priv;
+ struct smc_private *smc = dev->priv;
u_char tmp;

/* Read the ISR twice... */
@@ -523,8 +525,8 @@

static int mhz_mfc_config(dev_link_t *link)
{
- struct smc_private *smc = link->priv;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = link->priv;
+ struct smc_private *smc = dev->priv;
tuple_t tuple;
cisparse_t parse;
u_char buf[255];
@@ -590,8 +592,7 @@
static int mhz_setup(dev_link_t *link)
{
client_handle_t handle = link->handle;
- struct smc_private *smc = link->priv;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = link->priv;
tuple_t tuple;
cisparse_t parse;
u_char buf[255], *station_addr;
@@ -638,8 +639,8 @@

static void mot_config(dev_link_t *link)
{
- struct smc_private *smc = link->priv;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = link->priv;
+ struct smc_private *smc = dev->priv;
ioaddr_t ioaddr = dev->base_addr;
ioaddr_t iouart = link->io.BasePort2;

@@ -659,8 +660,7 @@

static int mot_setup(dev_link_t *link)
{
- struct smc_private *smc = link->priv;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = link->priv;
ioaddr_t ioaddr = dev->base_addr;
int i, wait, loop;
u_int addr;
@@ -694,8 +694,7 @@

static int smc_config(dev_link_t *link)
{
- struct smc_private *smc = link->priv;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = link->priv;
tuple_t tuple;
cisparse_t parse;
u_char buf[255];
@@ -727,8 +726,7 @@
static int smc_setup(dev_link_t *link)
{
client_handle_t handle = link->handle;
- struct smc_private *smc = link->priv;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = link->priv;
tuple_t tuple;
cisparse_t parse;
cistpl_lan_node_id_t *node_id;
@@ -755,7 +753,6 @@
return 0;
}
}
-
/* Try the third string in the Version 1 Version/ID tuple. */
tuple.DesiredTuple = CISTPL_VERS_1;
if (first_tuple(handle, &tuple, &parse) != CS_SUCCESS)
@@ -771,8 +768,7 @@

static int osi_config(dev_link_t *link)
{
- struct smc_private *smc = link->priv;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = link->priv;
static ioaddr_t com[4] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8 };
int i, j;

@@ -806,8 +802,7 @@
static int osi_setup(dev_link_t *link, u_short manfid, u_short cardid)
{
client_handle_t handle = link->handle;
- struct smc_private *smc = link->priv;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = link->priv;
tuple_t tuple;
u_char buf[255];
int i;
@@ -862,8 +857,7 @@

static int check_sig(dev_link_t *link)
{
- struct smc_private *smc = link->priv;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = link->priv;
ioaddr_t ioaddr = dev->base_addr;
int width;
u_short s;
@@ -921,8 +915,8 @@
static void smc91c92_config(dev_link_t *link)
{
client_handle_t handle = link->handle;
- struct smc_private *smc = link->priv;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = link->priv;
+ struct smc_private *smc = dev->priv;
tuple_t tuple;
cisparse_t parse;
u_short buf[32];
@@ -1090,7 +1084,6 @@
static void smc91c92_release(u_long arg)
{
dev_link_t *link = (dev_link_t *)arg;
- struct smc_private *smc = link->priv;

DEBUG(0, "smc91c92_release(0x%p)\n", link);

@@ -1105,6 +1098,8 @@
CardServices(ReleaseIO, link->handle, &link->io);
CardServices(ReleaseIRQ, link->handle, &link->irq);
if (link->win) {
+ struct net_device *dev = link->priv;
+ struct smc_private *smc = dev->priv;
iounmap(smc->base);
CardServices(ReleaseWindow, link->win);
}
@@ -1126,8 +1121,8 @@
event_callback_args_t *args)
{
dev_link_t *link = args->client_data;
- struct smc_private *smc = link->priv;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = link->priv;
+ struct smc_private *smc = dev->priv;
int i;

DEBUG(1, "smc91c92_event(0x%06x)\n", event);
@@ -1302,7 +1297,7 @@
smc_reset(dev);
init_timer(&smc->media);
smc->media.function = &media_check;
- smc->media.data = (u_long)smc;
+ smc->media.data = (u_long) dev;
smc->media.expires = jiffies + HZ;
add_timer(&smc->media);

@@ -1576,8 +1571,8 @@

static irqreturn_t smc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
- struct smc_private *smc = dev_id;
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = dev_id;
+ struct smc_private *smc = dev->priv;
ioaddr_t ioaddr;
u_short saved_bank, saved_pointer, mask, status;
unsigned int handled = 1;
@@ -1967,8 +1962,8 @@

static void media_check(u_long arg)
{
- struct smc_private *smc = (struct smc_private *)(arg);
- struct net_device *dev = &smc->dev;
+ struct net_device *dev = (struct net_device *) arg;
+ struct smc_private *smc = dev->priv;
ioaddr_t ioaddr = dev->base_addr;
u_short i, media, saved_bank;
u_short link;

-
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