/* Access speed for attribute memory windows */
INT_MODULE_PARM(cis_speed, 300); /* ns */
-#ifdef CONFIG_PCMCIA_DEBUG
-static int pc_debug;
-
-module_param(pc_debug, int, 0644);
-
-int cs_debug_level(int level)
-{
- return pc_debug > level;
-}
-#endif
-
socket_state_t dead_socket = {
.csc_mask = SS_DETECT,
* These functions check for the appropriate struct pcmcia_soket arrays,
* and pass them to the low-level functions pcmcia_{suspend,resume}_socket
*/
+static int socket_early_resume(struct pcmcia_socket *skt);
+static int socket_late_resume(struct pcmcia_socket *skt);
static int socket_resume(struct pcmcia_socket *skt);
static int socket_suspend(struct pcmcia_socket *skt);
-int pcmcia_socket_dev_suspend(struct device *dev)
+static void pcmcia_socket_dev_run(struct device *dev,
+ int (*cb)(struct pcmcia_socket *))
{
struct pcmcia_socket *socket;
if (socket->dev.parent != dev)
continue;
mutex_lock(&socket->skt_mutex);
- socket_suspend(socket);
+ cb(socket);
mutex_unlock(&socket->skt_mutex);
}
up_read(&pcmcia_socket_list_rwsem);
+}
+int pcmcia_socket_dev_suspend(struct device *dev)
+{
+ pcmcia_socket_dev_run(dev, socket_suspend);
return 0;
}
EXPORT_SYMBOL(pcmcia_socket_dev_suspend);
-int pcmcia_socket_dev_resume(struct device *dev)
+void pcmcia_socket_dev_early_resume(struct device *dev)
{
- struct pcmcia_socket *socket;
+ pcmcia_socket_dev_run(dev, socket_early_resume);
+}
+EXPORT_SYMBOL(pcmcia_socket_dev_early_resume);
- down_read(&pcmcia_socket_list_rwsem);
- list_for_each_entry(socket, &pcmcia_socket_list, socket_list) {
- if (socket->dev.parent != dev)
- continue;
- mutex_lock(&socket->skt_mutex);
- socket_resume(socket);
- mutex_unlock(&socket->skt_mutex);
- }
- up_read(&pcmcia_socket_list_rwsem);
+void pcmcia_socket_dev_late_resume(struct device *dev)
+{
+ pcmcia_socket_dev_run(dev, socket_late_resume);
+}
+EXPORT_SYMBOL(pcmcia_socket_dev_late_resume);
+int pcmcia_socket_dev_resume(struct device *dev)
+{
+ pcmcia_socket_dev_run(dev, socket_resume);
return 0;
}
EXPORT_SYMBOL(pcmcia_socket_dev_resume);
-struct pcmcia_socket * pcmcia_get_socket(struct pcmcia_socket *skt)
+struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt)
{
struct device *dev = get_device(&skt->dev);
if (!dev)
put_device(&skt->dev);
return NULL;
}
- return (skt);
+ return skt;
}
EXPORT_SYMBOL(pcmcia_get_socket);
if (!socket || !socket->ops || !socket->dev.parent || !socket->resource_ops)
return -EINVAL;
- cs_dbg(socket, 0, "pcmcia_register_socket(0x%p)\n", socket->ops);
+ dev_dbg(&socket->dev, "pcmcia_register_socket(0x%p)\n", socket->ops);
spin_lock_init(&socket->lock);
pcmcia_parse_events(socket, SS_DETECT);
+ /*
+ * Let's try to get the PCMCIA module for 16-bit PCMCIA support.
+ * If it fails, it doesn't matter -- we still have 32-bit CardBus
+ * support to offer, so this is not a failure mode.
+ */
+ request_module_nowait("pcmcia");
+
return 0;
err:
if (!socket)
return;
- cs_dbg(socket, 0, "pcmcia_unregister_socket(0x%p)\n", socket->ops);
+ dev_dbg(&socket->dev, "pcmcia_unregister_socket(0x%p)\n", socket->ops);
if (socket->thread)
kthread_stop(socket->thread);
EXPORT_SYMBOL(pcmcia_unregister_socket);
-struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr)
+struct pcmcia_socket *pcmcia_get_socket_by_nr(unsigned int nr)
{
struct pcmcia_socket *s;
if (s->state & SOCKET_CARDBUS)
return 0;
- cs_dbg(s, 1, "send_event(event %d, pri %d, callback 0x%p)\n",
+ dev_dbg(&s->dev, "send_event(event %d, pri %d, callback 0x%p)\n",
event, priority, s->callback);
if (!s->callback)
static void socket_remove_drivers(struct pcmcia_socket *skt)
{
- cs_dbg(skt, 4, "remove_drivers\n");
+ dev_dbg(&skt->dev, "remove_drivers\n");
send_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH);
}
{
int status, i;
- cs_dbg(skt, 4, "reset\n");
+ dev_dbg(&skt->dev, "reset\n");
skt->socket.flags |= SS_OUTPUT_ENA | SS_RESET;
skt->ops->set_socket(skt, &skt->socket);
msleep(unreset_check * 10);
}
- cs_err(skt, "time out after reset.\n");
+ dev_printk(KERN_ERR, &skt->dev, "time out after reset.\n");
return -ETIMEDOUT;
}
{
int status;
- cs_dbg(s, 4, "shutdown\n");
+ dev_dbg(&s->dev, "shutdown\n");
socket_remove_drivers(s);
s->state &= SOCKET_INUSE | SOCKET_PRESENT;
{
int status, i;
- cs_dbg(skt, 4, "setup\n");
+ dev_dbg(&skt->dev, "setup\n");
skt->ops->get_status(skt, &status);
if (!(status & SS_DETECT))
}
if (status & SS_PENDING) {
- cs_err(skt, "voltage interrogation timed out.\n");
+ dev_printk(KERN_ERR, &skt->dev,
+ "voltage interrogation timed out.\n");
return -ETIMEDOUT;
}
if (status & SS_CARDBUS) {
if (!(skt->features & SS_CAP_CARDBUS)) {
- cs_err(skt, "cardbus cards are not supported.\n");
+ dev_printk(KERN_ERR, &skt->dev,
+ "cardbus cards are not supported.\n");
return -EINVAL;
}
skt->state |= SOCKET_CARDBUS;
else if (!(status & SS_XVCARD))
skt->socket.Vcc = skt->socket.Vpp = 50;
else {
- cs_err(skt, "unsupported voltage key.\n");
+ dev_printk(KERN_ERR, &skt->dev, "unsupported voltage key.\n");
return -EIO;
}
skt->ops->get_status(skt, &status);
if (!(status & SS_POWERON)) {
- cs_err(skt, "unable to apply power.\n");
+ dev_printk(KERN_ERR, &skt->dev, "unable to apply power.\n");
return -EIO;
}
{
int ret;
- cs_dbg(skt, 4, "insert\n");
+ dev_dbg(&skt->dev, "insert\n");
if (!cs_socket_get(skt))
return -ENODEV;
skt->state |= SOCKET_CARDBUS_CONFIG;
}
#endif
- cs_dbg(skt, 4, "insert done\n");
+ dev_dbg(&skt->dev, "insert done\n");
send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
} else {
return 0;
}
-/*
- * Resume a socket. If a card is present, verify its CIS against
- * our cached copy. If they are different, the card has been
- * replaced, and we need to tell the drivers.
- */
-static int socket_resume(struct pcmcia_socket *skt)
+static int socket_early_resume(struct pcmcia_socket *skt)
{
- int ret;
-
- if (!(skt->state & SOCKET_SUSPEND))
- return -EBUSY;
-
skt->socket = dead_socket;
skt->ops->init(skt);
skt->ops->set_socket(skt, &skt->socket);
+ if (skt->state & SOCKET_PRESENT)
+ skt->resume_status = socket_setup(skt, resume_delay);
+ return 0;
+}
+static int socket_late_resume(struct pcmcia_socket *skt)
+{
if (!(skt->state & SOCKET_PRESENT)) {
skt->state &= ~SOCKET_SUSPEND;
return socket_insert(skt);
}
- ret = socket_setup(skt, resume_delay);
- if (ret == 0) {
+ if (skt->resume_status == 0) {
/*
* FIXME: need a better check here for cardbus cards.
*/
if (verify_cis_cache(skt) != 0) {
- cs_dbg(skt, 4, "cis mismatch - different card\n");
+ dev_dbg(&skt->dev, "cis mismatch - different card\n");
socket_remove_drivers(skt);
destroy_cis_cache(skt);
/*
msleep(200);
send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
} else {
- cs_dbg(skt, 4, "cis matches cache\n");
+ dev_dbg(&skt->dev, "cis matches cache\n");
send_event(skt, CS_EVENT_PM_RESUME, CS_EVENT_PRI_LOW);
}
} else {
return 0;
}
+/*
+ * Resume a socket. If a card is present, verify its CIS against
+ * our cached copy. If they are different, the card has been
+ * replaced, and we need to tell the drivers.
+ */
+static int socket_resume(struct pcmcia_socket *skt)
+{
+ if (!(skt->state & SOCKET_SUSPEND))
+ return -EBUSY;
+
+ socket_early_resume(skt);
+ return socket_late_resume(skt);
+}
+
static void socket_remove(struct pcmcia_socket *skt)
{
dev_printk(KERN_NOTICE, &skt->dev,
void pcmcia_parse_events(struct pcmcia_socket *s, u_int events)
{
unsigned long flags;
- cs_dbg(s, 4, "parse_events: events %08x\n", events);
+ dev_dbg(&s->dev, "parse_events: events %08x\n", events);
if (s->thread) {
spin_lock_irqsave(&s->thread_lock, flags);
s->thread_events |= events;
/* register pcmcia_callback */
int pccard_register_pcmcia(struct pcmcia_socket *s, struct pcmcia_callback *c)
{
- int ret = 0;
+ int ret = 0;
/* s->skt_mutex also protects s->callback */
mutex_lock(&s->skt_mutex);
{
int ret;
- cs_dbg(skt, 1, "resetting socket\n");
+ dev_dbg(&skt->dev, "resetting socket\n");
mutex_lock(&skt->skt_mutex);
do {
if (!(skt->state & SOCKET_PRESENT)) {
+ dev_dbg(&skt->dev, "can't reset, not present\n");
ret = -ENODEV;
break;
}
if (skt->state & SOCKET_SUSPEND) {
+ dev_dbg(&skt->dev, "can't reset, suspended\n");
ret = -EBUSY;
break;
}
if (skt->state & SOCKET_CARDBUS) {
+ dev_dbg(&skt->dev, "can't reset, is cardbus\n");
ret = -EPERM;
break;
}
{
int ret;
- cs_dbg(skt, 1, "suspending socket\n");
+ dev_dbg(&skt->dev, "suspending socket\n");
mutex_lock(&skt->skt_mutex);
do {
int pcmcia_resume_card(struct pcmcia_socket *skt)
{
int ret;
-
- cs_dbg(skt, 1, "waking up socket\n");
+
+ dev_dbg(&skt->dev, "waking up socket\n");
mutex_lock(&skt->skt_mutex);
do {
int pcmcia_eject_card(struct pcmcia_socket *skt)
{
int ret;
-
- cs_dbg(skt, 1, "user eject request\n");
+
+ dev_dbg(&skt->dev, "user eject request\n");
mutex_lock(&skt->skt_mutex);
do {
{
int ret;
- cs_dbg(skt, 1, "user insert request\n");
+ dev_dbg(&skt->dev, "user insert request\n");
mutex_lock(&skt->skt_mutex);
do {
projects / karo-tx-linux.git / blobdiff