#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/config.h>
#include <linux/string.h>
#include <linux/major.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/delay.h>
#include <linux/pm.h>
-#include <linux/pci.h>
#include <linux/device.h>
+#include <linux/kthread.h>
+#include <linux/freezer.h>
#include <asm/system.h>
#include <asm/irq.h>
down_read(&pcmcia_socket_list_rwsem);
list_for_each_entry(socket, &pcmcia_socket_list, socket_list) {
- if (socket->dev.dev != dev)
+ if (socket->dev.parent != dev)
continue;
- down(&socket->skt_sem);
+ mutex_lock(&socket->skt_mutex);
socket_suspend(socket);
- up(&socket->skt_sem);
+ mutex_unlock(&socket->skt_mutex);
}
up_read(&pcmcia_socket_list_rwsem);
down_read(&pcmcia_socket_list_rwsem);
list_for_each_entry(socket, &pcmcia_socket_list, socket_list) {
- if (socket->dev.dev != dev)
+ if (socket->dev.parent != dev)
continue;
- down(&socket->skt_sem);
+ mutex_lock(&socket->skt_mutex);
socket_resume(socket);
- up(&socket->skt_sem);
+ mutex_unlock(&socket->skt_mutex);
}
up_read(&pcmcia_socket_list_rwsem);
struct pcmcia_socket * pcmcia_get_socket(struct pcmcia_socket *skt)
{
- struct class_device *cl_dev = class_device_get(&skt->dev);
- if (!cl_dev)
+ struct device *dev = get_device(&skt->dev);
+ if (!dev)
return NULL;
- skt = class_get_devdata(cl_dev);
+ skt = dev_get_drvdata(dev);
if (!try_module_get(skt->owner)) {
- class_device_put(&skt->dev);
+ put_device(&skt->dev);
return NULL;
}
return (skt);
void pcmcia_put_socket(struct pcmcia_socket *skt)
{
module_put(skt->owner);
- class_device_put(&skt->dev);
+ put_device(&skt->dev);
}
EXPORT_SYMBOL(pcmcia_put_socket);
-static void pcmcia_release_socket(struct class_device *class_dev)
+static void pcmcia_release_socket(struct device *dev)
{
- struct pcmcia_socket *socket = class_get_devdata(class_dev);
+ struct pcmcia_socket *socket = dev_get_drvdata(dev);
complete(&socket->socket_released);
}
*/
int pcmcia_register_socket(struct pcmcia_socket *socket)
{
+ struct task_struct *tsk;
int ret;
- if (!socket || !socket->ops || !socket->dev.dev || !socket->resource_ops)
+ if (!socket || !socket->ops || !socket->dev.parent || !socket->resource_ops)
return -EINVAL;
cs_dbg(socket, 0, "pcmcia_register_socket(0x%p)\n", socket->ops);
#endif
/* set proper values in socket->dev */
- socket->dev.class_data = socket;
+ dev_set_drvdata(&socket->dev, socket);
socket->dev.class = &pcmcia_socket_class;
- snprintf(socket->dev.class_id, BUS_ID_SIZE, "pcmcia_socket%u", socket->sock);
+ snprintf(socket->dev.bus_id, BUS_ID_SIZE, "pcmcia_socket%u", socket->sock);
/* base address = 0, map = 0 */
socket->cis_mem.flags = 0;
init_completion(&socket->socket_released);
init_completion(&socket->thread_done);
init_waitqueue_head(&socket->thread_wait);
- init_MUTEX(&socket->skt_sem);
+ mutex_init(&socket->skt_mutex);
spin_lock_init(&socket->thread_lock);
- ret = kernel_thread(pccardd, socket, CLONE_KERNEL);
- if (ret < 0)
+ tsk = kthread_run(pccardd, socket, "pccardd");
+ if (IS_ERR(tsk)) {
+ ret = PTR_ERR(tsk);
goto err;
+ }
wait_for_completion(&socket->thread_done);
- if(!socket->thread) {
+ if (!socket->thread) {
printk(KERN_WARNING "PCMCIA: warning: socket thread for socket %p did not start\n", socket);
return -EIO;
}
+
pcmcia_parse_events(socket, SS_DETECT);
return 0;
cs_dbg(socket, 0, "pcmcia_unregister_socket(0x%p)\n", socket->ops);
if (socket->thread) {
- init_completion(&socket->thread_done);
- socket->thread = NULL;
wake_up(&socket->thread_wait);
- wait_for_completion(&socket->thread_done);
+ kthread_stop(socket->thread);
}
release_cis_mem(socket);
}
EXPORT_SYMBOL(pcmcia_get_socket_by_nr);
-
-/**
- * socket_setup() and shutdown_socket() are called by the main event
- * handler when card insertion and removal events are received.
- * socket_setup() turns on socket power and resets the socket, in two stages.
- * shutdown_socket() unconfigures a socket and turns off socket power.
- */
-static void shutdown_socket(struct pcmcia_socket *s)
-{
- cs_dbg(s, 1, "shutdown_socket\n");
-
- /* Blank out the socket state */
- s->socket = dead_socket;
- s->ops->init(s);
- s->ops->set_socket(s, &s->socket);
- s->irq.AssignedIRQ = s->irq.Config = 0;
- s->lock_count = 0;
- destroy_cis_cache(s);
-#ifdef CONFIG_CARDBUS
- cb_free(s);
-#endif
- s->functions = 0;
- kfree(s->config);
- s->config = NULL;
-
- {
- int status;
- s->ops->get_status(s, &status);
- if (status & SS_POWERON) {
- printk(KERN_ERR "PCMCIA: socket %p: *** DANGER *** unable to remove socket power\n", s);
- }
- }
-} /* shutdown_socket */
-
-
/**
* The central event handler. Send_event() sends an event to the
* 16-bit subsystem, which then calls the relevant device drivers.
send_event(skt, CS_EVENT_CARD_REMOVAL, CS_EVENT_PRI_HIGH);
}
-static void socket_shutdown(struct pcmcia_socket *skt)
-{
- cs_dbg(skt, 4, "shutdown\n");
-
- socket_remove_drivers(skt);
- skt->state &= SOCKET_INUSE|SOCKET_PRESENT;
- msleep(shutdown_delay * 10);
- skt->state &= SOCKET_INUSE;
- shutdown_socket(skt);
-}
-
static int socket_reset(struct pcmcia_socket *skt)
{
int status, i;
return CS_GENERAL_FAILURE;
}
+/**
+ * socket_setup() and socket_shutdown() are called by the main event handler
+ * when card insertion and removal events are received.
+ * socket_setup() turns on socket power and resets the socket, in two stages.
+ * socket_shutdown() unconfigures a socket and turns off socket power.
+ */
+static void socket_shutdown(struct pcmcia_socket *s)
+{
+ int status;
+
+ cs_dbg(s, 4, "shutdown\n");
+
+ socket_remove_drivers(s);
+ s->state &= SOCKET_INUSE | SOCKET_PRESENT;
+ msleep(shutdown_delay * 10);
+ s->state &= SOCKET_INUSE;
+
+ /* Blank out the socket state */
+ s->socket = dead_socket;
+ s->ops->init(s);
+ s->ops->set_socket(s, &s->socket);
+ s->irq.AssignedIRQ = s->irq.Config = 0;
+ s->lock_count = 0;
+ destroy_cis_cache(s);
+#ifdef CONFIG_CARDBUS
+ cb_free(s);
+#endif
+ s->functions = 0;
+
+ s->ops->get_status(s, &status);
+ if (status & SS_POWERON) {
+ printk(KERN_ERR "PCMCIA: socket %p: *** DANGER *** unable to remove socket power\n", s);
+ }
+
+ cs_socket_put(s);
+}
+
static int socket_setup(struct pcmcia_socket *skt, int initial_delay)
{
int status, i;
ret = socket_setup(skt, setup_delay);
if (ret == CS_SUCCESS) {
skt->state |= SOCKET_PRESENT;
+
+ printk(KERN_NOTICE "pccard: %s card inserted into slot %d\n",
+ (skt->state & SOCKET_CARDBUS) ? "CardBus" : "PCMCIA",
+ skt->sock);
+
#ifdef CONFIG_CARDBUS
if (skt->state & SOCKET_CARDBUS) {
cb_alloc(skt);
send_event(skt, CS_EVENT_CARD_INSERTION, CS_EVENT_PRI_LOW);
} else {
socket_shutdown(skt);
- cs_socket_put(skt);
}
return ret;
}
} else {
socket_shutdown(skt);
- cs_socket_put(skt);
}
skt->state &= ~SOCKET_SUSPEND;
static void socket_remove(struct pcmcia_socket *skt)
{
+ printk(KERN_NOTICE "pccard: card ejected from slot %d\n", skt->sock);
socket_shutdown(skt);
- cs_socket_put(skt);
}
/*
DECLARE_WAITQUEUE(wait, current);
int ret;
- daemonize("pccardd");
-
skt->thread = current;
skt->socket = dead_socket;
skt->ops->init(skt);
skt->ops->set_socket(skt, &skt->socket);
/* register with the device core */
- ret = class_device_register(&skt->dev);
+ ret = device_register(&skt->dev);
if (ret) {
printk(KERN_WARNING "PCMCIA: unable to register socket 0x%p\n",
skt);
skt->thread = NULL;
- complete_and_exit(&skt->thread_done, 0);
+ complete(&skt->thread_done);
+ return 0;
}
add_wait_queue(&skt->thread_wait, &wait);
complete(&skt->thread_done);
+ set_freezable();
for (;;) {
unsigned long flags;
unsigned int events;
spin_unlock_irqrestore(&skt->thread_lock, flags);
if (events) {
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
if (events & SS_DETECT)
socket_detect_change(skt);
if (events & SS_BATDEAD)
send_event(skt, CS_EVENT_BATTERY_LOW, CS_EVENT_PRI_LOW);
if (events & SS_READY)
send_event(skt, CS_EVENT_READY_CHANGE, CS_EVENT_PRI_LOW);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
continue;
}
- if (!skt->thread)
+ if (kthread_should_stop())
break;
schedule();
remove_wait_queue(&skt->thread_wait, &wait);
/* remove from the device core */
- class_device_unregister(&skt->dev);
+ device_unregister(&skt->dev);
- complete_and_exit(&skt->thread_done, 0);
+ return 0;
}
/*
*/
void pcmcia_parse_events(struct pcmcia_socket *s, u_int events)
{
+ unsigned long flags;
cs_dbg(s, 4, "parse_events: events %08x\n", events);
if (s->thread) {
- spin_lock(&s->thread_lock);
+ spin_lock_irqsave(&s->thread_lock, flags);
s->thread_events |= events;
- spin_unlock(&s->thread_lock);
+ spin_unlock_irqrestore(&s->thread_lock, flags);
wake_up(&s->thread_wait);
}
{
int ret = 0;
- /* s->skt_sem also protects s->callback */
- down(&s->skt_sem);
+ /* s->skt_mutex also protects s->callback */
+ mutex_lock(&s->skt_mutex);
if (c) {
/* registration */
} else
s->callback = NULL;
err:
- up(&s->skt_sem);
+ mutex_unlock(&s->skt_mutex);
return ret;
}
cs_dbg(skt, 1, "resetting socket\n");
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
do {
if (!(skt->state & SOCKET_PRESENT)) {
ret = CS_NO_CARD;
ret = send_event(skt, CS_EVENT_RESET_REQUEST, CS_EVENT_PRI_LOW);
if (ret == 0) {
send_event(skt, CS_EVENT_RESET_PHYSICAL, CS_EVENT_PRI_LOW);
- if (socket_reset(skt) == CS_SUCCESS)
+ if (skt->callback)
+ skt->callback->suspend(skt);
+ if (socket_reset(skt) == CS_SUCCESS) {
send_event(skt, CS_EVENT_CARD_RESET, CS_EVENT_PRI_LOW);
+ if (skt->callback)
+ skt->callback->resume(skt);
+ }
}
ret = CS_SUCCESS;
} while (0);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
return ret;
} /* reset_card */
cs_dbg(skt, 1, "suspending socket\n");
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
do {
if (!(skt->state & SOCKET_PRESENT)) {
ret = CS_NO_CARD;
ret = CS_UNSUPPORTED_FUNCTION;
break;
}
+ if (skt->callback) {
+ ret = skt->callback->suspend(skt);
+ if (ret)
+ break;
+ }
ret = socket_suspend(skt);
} while (0);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
return ret;
} /* suspend_card */
cs_dbg(skt, 1, "waking up socket\n");
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
do {
if (!(skt->state & SOCKET_PRESENT)) {
ret = CS_NO_CARD;
break;
}
ret = socket_resume(skt);
+ if (!ret && skt->callback)
+ skt->callback->resume(skt);
} while (0);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
return ret;
} /* resume_card */
cs_dbg(skt, 1, "user eject request\n");
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
do {
if (!(skt->state & SOCKET_PRESENT)) {
ret = -ENODEV;
socket_remove(skt);
ret = 0;
} while (0);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
return ret;
} /* eject_card */
cs_dbg(skt, 1, "user insert request\n");
- down(&skt->skt_sem);
+ mutex_lock(&skt->skt_mutex);
do {
if (skt->state & SOCKET_PRESENT) {
ret = -EBUSY;
}
ret = 0;
} while (0);
- up(&skt->skt_sem);
+ mutex_unlock(&skt->skt_mutex);
return ret;
} /* insert_card */
EXPORT_SYMBOL(pcmcia_insert_card);
-static int pcmcia_socket_hotplug(struct class_device *dev, char **envp,
- int num_envp, char *buffer, int buffer_size)
+static int pcmcia_socket_uevent(struct device *dev, char **envp,
+ int num_envp, char *buffer, int buffer_size)
{
struct pcmcia_socket *s = container_of(dev, struct pcmcia_socket, dev);
int i = 0, length = 0;
- if (add_hotplug_env_var(envp, num_envp, &i, buffer, buffer_size,
- &length, "SOCKET_NO=%u", s->sock))
+ if (add_uevent_var(envp, num_envp, &i, buffer, buffer_size,
+ &length, "SOCKET_NO=%u", s->sock))
return -ENOMEM;
envp[i] = NULL;
struct class pcmcia_socket_class = {
.name = "pcmcia_socket",
- .hotplug = pcmcia_socket_hotplug,
- .release = pcmcia_release_socket,
+ .dev_uevent = pcmcia_socket_uevent,
+ .dev_release = pcmcia_release_socket,
.class_release = pcmcia_release_socket_class,
};
EXPORT_SYMBOL(pcmcia_socket_class);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff