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path: root/drivers/net/pcmcia/netwave_cs.c
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Diffstat (limited to 'drivers/net/pcmcia/netwave_cs.c')
-rw-r--r--drivers/net/pcmcia/netwave_cs.c88
1 files changed, 31 insertions, 57 deletions
diff --git a/drivers/net/pcmcia/netwave_cs.c b/drivers/net/pcmcia/netwave_cs.c
index 6ca0ce297..74928fd27 100644
--- a/drivers/net/pcmcia/netwave_cs.c
+++ b/drivers/net/pcmcia/netwave_cs.c
@@ -302,6 +302,8 @@ struct site_survey {
};
typedef struct netwave_private {
+ dev_link_t link;
+ struct net_device dev;
dev_node_t node;
u_char *ramBase;
int timeoutCounter;
@@ -440,7 +442,7 @@ static dev_link_t *netwave_attach(void)
client_reg_t client_reg;
dev_link_t *link;
struct net_device *dev;
- netwave_private *priv;
+ netwave_private *priv;
int i, ret;
DEBUG(0, "netwave_attach()\n");
@@ -449,8 +451,11 @@ static dev_link_t *netwave_attach(void)
netwave_flush_stale_links();
/* Initialize the dev_link_t structure */
- link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
- memset(link, 0, sizeof(struct dev_link_t));
+ priv = kmalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv) return NULL;
+ memset(priv, 0, sizeof(*priv));
+ link = &priv->link; dev = &priv->dev;
+ link->priv = dev->priv = priv;
link->release.function = &netwave_release;
link->release.data = (u_long)link;
@@ -478,15 +483,7 @@ static dev_link_t *netwave_attach(void)
link->conf.ConfigIndex = 1;
link->conf.Present = PRESENT_OPTION;
- /* Allocate space for private device-specific data */
- dev = kmalloc(sizeof(struct net_device), GFP_KERNEL);
- memset(dev, 0, sizeof(struct net_device));
-
- dev->priv = kmalloc(sizeof(netwave_private), GFP_KERNEL);
- memset(dev->priv, 0, sizeof(netwave_private));
-
/* Set the watchdog timer */
- priv = (netwave_private *) dev->priv;
priv->watchdog.function = &netwave_watchdog;
priv->watchdog.data = (unsigned long) dev;
@@ -502,12 +499,12 @@ static dev_link_t *netwave_attach(void)
dev->do_ioctl = &netwave_ioctl;
ether_setup(dev);
- dev->name = ((struct netwave_private *)dev->priv)->node.dev_name;
+ dev->name = priv->node.dev_name;
dev->init = &netwave_init;
dev->open = &netwave_open;
dev->stop = &netwave_close;
dev->tbusy = 1;
- link->priv = link->irq.Instance = dev;
+ link->irq.Instance = dev;
/* Register with Card Services */
link->next = dev_list;
@@ -541,6 +538,7 @@ static dev_link_t *netwave_attach(void)
*/
static void netwave_detach(dev_link_t *link)
{
+ netwave_private *priv = link->priv;
dev_link_t **linkp;
long flags;
@@ -587,16 +585,9 @@ static void netwave_detach(dev_link_t *link)
/* Unlink device structure, free pieces */
*linkp = link->next;
- if (link->priv) {
- struct net_device *dev = link->priv;
- if (link->dev != NULL)
- unregister_netdev(dev);
- link->dev = NULL;
- if (dev->priv)
- kfree(dev->priv);
- kfree(link->priv);
- }
- kfree(link);
+ if (link->dev)
+ unregister_netdev(&priv->dev);
+ kfree(priv);
} /* netwave_detach */
@@ -633,8 +624,8 @@ static void netwave_flush_stale_links(void)
*
*/
static int netwave_ioctl(struct net_device *dev, /* ioctl device */
- struct ifreq *rq, /* Data passed */
- int cmd) /* Ioctl number */
+ struct ifreq *rq, /* Data passed */
+ int cmd) /* Ioctl number */
{
unsigned long flags;
int ret = 0;
@@ -839,20 +830,16 @@ static int netwave_ioctl(struct net_device *dev, /* ioctl device */
while ((last_ret=CardServices(last_fn=(fn), args))!=0) goto cs_failed
static void netwave_pcmcia_config(dev_link_t *link) {
- client_handle_t handle;
+ client_handle_t handle = link->handle;
+ netwave_private *priv = link->priv;
+ struct net_device *dev = &priv->dev;
tuple_t tuple;
cisparse_t parse;
- struct net_device *dev;
int i, j, last_ret, last_fn;
u_char buf[64];
win_req_t req;
memreq_t mem;
u_char *ramBase = NULL;
- /* modwin_t mod;
- short iobase, *phys_addr;
- */
- handle = link->handle;
- dev = link->priv;
DEBUG(0, "netwave_pcmcia_config(0x%p)\n", link);
@@ -969,7 +956,7 @@ failed:
*/
static void netwave_release(u_long arg) {
dev_link_t *link = (dev_link_t *)arg;
- struct net_device *dev = link->priv;
+ netwave_private *priv = link->priv;
DEBUG(0, "netwave_release(0x%p)\n", link);
@@ -986,7 +973,7 @@ static void netwave_release(u_long arg) {
/* Don't bother checking to see if these succeed or not */
if (link->win) {
- iounmap(((netwave_private *)dev->priv)->ramBase);
+ iounmap(priv->ramBase);
CardServices(ReleaseWindow, link->win);
}
CardServices(ReleaseConfiguration, link->handle);
@@ -1014,7 +1001,8 @@ static void netwave_release(u_long arg) {
static int netwave_event(event_t event, int priority,
event_callback_args_t *args) {
dev_link_t *link = args->client_data;
- struct net_device *dev = link->priv;
+ netwave_private *priv = link->priv;
+ struct net_device *dev = &priv->dev;
DEBUG(1, "netwave_event(0x%06x)\n", event);
@@ -1027,7 +1015,6 @@ static int netwave_event(event_t event, int priority,
link->state &= ~DEV_PRESENT;
if (link->state & DEV_CONFIG) {
dev->tbusy = 1; dev->start = 0;
- /* ((netwave_private *)link->priv)->block = 1; */
link->release.expires = jiffies + 5;
add_timer(&link->release);
}
@@ -1312,24 +1299,18 @@ static void netwave_interrupt(int irq, void* dev_id, struct pt_regs *regs) {
ioaddr_t iobase;
u_char *ramBase;
struct net_device *dev = (struct net_device *)dev_id;
- struct netwave_private *priv;
+ struct netwave_private *priv = dev->priv;
+ dev_link_t *link = &priv->link;
int i;
- dev_link_t *link;
-
- if ((dev == NULL) | (!dev->start))
- return;
- priv = (netwave_private *)dev->priv;
+ if ((dev == NULL) | (!dev->start))
+ return;
if (dev->interrupt) {
printk("%s: re-entering the interrupt handler.\n", dev->name);
return;
}
dev->interrupt = 1;
-
- /* Find the correct dev_link_t */
- for (link = dev_list; NULL != link; link = link->next)
- if (dev == link->priv) break;
iobase = dev->base_addr;
ramBase = priv->ramBase;
@@ -1592,12 +1573,10 @@ static int netwave_rx(struct net_device *dev) {
}
static int netwave_open(struct net_device *dev) {
- dev_link_t *link;
+ netwave_private *priv = dev->priv;
+ dev_link_t *link = &priv->link;
DEBUG(1, "netwave_open: starting.\n");
-
- for (link = dev_list; link; link = link->next)
- if (link->priv == dev) break;
if (!DEV_OK(link))
return -ENODEV;
@@ -1612,16 +1591,11 @@ static int netwave_open(struct net_device *dev) {
}
static int netwave_close(struct net_device *dev) {
- dev_link_t *link;
- netwave_private *priv = (netwave_private *) dev->priv;
+ netwave_private *priv = (netwave_private *)dev->priv;
+ dev_link_t *link = &priv->link;
DEBUG(1, "netwave_close: finishing.\n");
- for (link = dev_list; link; link = link->next)
- if (link->priv == dev) break;
- if (link == NULL)
- return -ENODEV;
-
/* If watchdog was activated, kill it ! */
del_timer(&priv->watchdog);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-20 05:35:26 +0000