#include <linux/proc_fs.h>
#include <linux/poll.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/seq_file.h>
#include <linux/smp_lock.h>
#include <linux/workqueue.h>
unsigned int function)
{
struct pcmcia_device *p_dev = NULL;
- unsigned long flags;
- spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
+ mutex_lock(&s->ops_mutex);
list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
if (p_dev->func == function) {
- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ mutex_unlock(&s->ops_mutex);
return pcmcia_get_dev(p_dev);
}
}
- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ mutex_unlock(&s->ops_mutex);
return NULL;
}
{
struct pcmcia_socket *s;
int ret = -ENOSYS;
- unsigned long flags;
down_read(&pcmcia_socket_list_rwsem);
list_for_each_entry(s, &pcmcia_socket_list, socket_list) {
/* you can't use the old interface if the new
* one was used before */
- spin_lock_irqsave(&s->lock, flags);
+ mutex_lock(&s->ops_mutex);
if ((s->resource_setup_new) &&
!(s->resource_setup_old)) {
- spin_unlock_irqrestore(&s->lock, flags);
+ mutex_unlock(&s->ops_mutex);
continue;
} else if (!(s->resource_setup_old))
s->resource_setup_old = 1;
- spin_unlock_irqrestore(&s->lock, flags);
switch (adj->Resource) {
case RES_MEMORY_RANGE:
* last call to adjust_resource_info, we
* always need to assume this is the latest
* one... */
- spin_lock_irqsave(&s->lock, flags);
s->resource_setup_done = 1;
- spin_unlock_irqrestore(&s->lock, flags);
}
+ mutex_unlock(&s->ops_mutex);
}
}
up_read(&pcmcia_socket_list_rwsem);
(c->IntType & (INT_MEMORY_AND_IO | INT_ZOOMED_VIDEO))) {
u_char reg;
if (c->CardValues & PRESENT_PIN_REPLACE) {
+ mutex_lock(&s->ops_mutex);
pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_PRR)>>1, 1, ®);
+ mutex_unlock(&s->ops_mutex);
status->CardState |=
(reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0;
status->CardState |=
status->CardState |= CS_EVENT_READY_CHANGE;
}
if (c->CardValues & PRESENT_EXT_STATUS) {
+ mutex_lock(&s->ops_mutex);
pcmcia_read_cis_mem(s, 1, (c->ConfigBase+CISREG_ESR)>>1, 1, ®);
+ mutex_unlock(&s->ops_mutex);
status->CardState |=
(reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0;
}
if (s->state & SOCKET_CARDBUS_CONFIG) {
config->Attributes = CONF_VALID_CLIENT;
config->IntType = INT_CARDBUS;
- config->AssignedIRQ = s->irq.AssignedIRQ;
+ config->AssignedIRQ = s->pcmcia_irq;
if (config->AssignedIRQ)
config->Attributes |= CONF_ENABLE_IRQ;
if (s->io[0].res) {
config->ExtStatus = c->ExtStatus;
config->Present = config->CardValues = c->CardValues;
config->IRQAttributes = c->irq.Attributes;
- config->AssignedIRQ = s->irq.AssignedIRQ;
+ config->AssignedIRQ = s->pcmcia_irq;
config->BasePort1 = c->io.BasePort1;
config->NumPorts1 = c->io.NumPorts1;
config->Attributes1 = c->io.Attributes1;
struct pcmcia_driver *p_drv;
struct pcmcia_device *p_dev;
int ret = 0;
- unsigned long flags;
s = pcmcia_get_socket(s);
if (!s)
goto err_put_driver;
}
- spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
+ mutex_lock(&s->ops_mutex);
list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
if (p_dev->func == bind_info->function) {
if ((p_dev->dev.driver == &p_drv->drv)) {
* registered, and it was registered
* by userspace before, we need to
* return the "instance". */
- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ mutex_unlock(&s->ops_mutex);
bind_info->instance = p_dev;
ret = -EBUSY;
goto err_put_module;
/* the correct driver managed to bind
* itself magically to the correct
* device. */
- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ mutex_unlock(&s->ops_mutex);
p_dev->cardmgr = p_drv;
ret = 0;
goto err_put_module;
/* there's already a device available where
* no device has been bound to yet. So we don't
* need to register a device! */
- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ mutex_unlock(&s->ops_mutex);
goto rescan;
}
}
}
- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ mutex_unlock(&s->ops_mutex);
p_dev = pcmcia_device_add(s, bind_info->function);
if (!p_dev) {
static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int first)
{
- dev_node_t *node;
struct pcmcia_device *p_dev;
struct pcmcia_driver *p_drv;
- unsigned long flags;
int ret = 0;
#ifdef CONFIG_CARDBUS
}
#endif
- spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
+ mutex_lock(&s->ops_mutex);
list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
if (p_dev->func == bind_info->function) {
p_dev = pcmcia_get_dev(p_dev);
goto found;
}
}
- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ mutex_unlock(&s->ops_mutex);
return -ENODEV;
found:
- spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ mutex_unlock(&s->ops_mutex);
p_drv = to_pcmcia_drv(p_dev->dev.driver);
if (p_drv && !p_dev->_locked) {
goto err_put;
}
- if (first)
- node = p_dev->dev_node;
- else
- for (node = p_dev->dev_node; node; node = node->next)
- if (node == bind_info->next)
- break;
- if (!node) {
+ if (!first) {
ret = -ENODEV;
goto err_put;
}
- strlcpy(bind_info->name, node->dev_name, DEV_NAME_LEN);
- bind_info->major = node->major;
- bind_info->minor = node->minor;
- bind_info->next = node->next;
+ strlcpy(bind_info->name, dev_name(&p_dev->dev), DEV_NAME_LEN);
+ bind_info->next = NULL;
err_put:
pcmcia_put_dev(p_dev);
warning_printed = 1;
}
- if (s->pcmcia_state.present)
+ if (atomic_read(&s->present))
queue_event(user, CS_EVENT_CARD_INSERTION);
out:
unlock_kernel();
return -EIO;
s = user->socket;
- if (s->pcmcia_state.dead)
- return -EIO;
-
ret = wait_event_interruptible(s->queue, !queue_empty(user));
if (ret == 0)
ret = put_user(get_queued_event(user), (int __user *)buf) ? -EFAULT : 4;
/*====================================================================*/
-static int ds_ioctl(struct inode *inode, struct file *file,
- u_int cmd, u_long arg)
+static int ds_ioctl(struct file *file, u_int cmd, u_long arg)
{
struct pcmcia_socket *s;
void __user *uarg = (char __user *)arg;
return -EIO;
s = user->socket;
- if (s->pcmcia_state.dead)
- return -EIO;
size = (cmd & IOCSIZE_MASK) >> IOCSIZE_SHIFT;
if (size > sizeof(ds_ioctl_arg_t))
ret = pccard_validate_cis(s, &buf->cisinfo.Chains);
break;
case DS_SUSPEND_CARD:
- ret = pcmcia_suspend_card(s);
+ pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND);
break;
case DS_RESUME_CARD:
- ret = pcmcia_resume_card(s);
+ pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME);
break;
case DS_EJECT_CARD:
- err = pcmcia_eject_card(s);
+ pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT);
break;
case DS_INSERT_CARD:
- err = pcmcia_insert_card(s);
+ pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);
break;
case DS_ACCESS_CONFIGURATION_REGISTER:
if ((buf->conf_reg.Action == CS_WRITE) && !capable(CAP_SYS_ADMIN)) {
return err;
} /* ds_ioctl */
+static long ds_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = ds_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
+
/*====================================================================*/
static const struct file_operations ds_fops = {
.owner = THIS_MODULE,
.open = ds_open,
.release = ds_release,
- .ioctl = ds_ioctl,
+ .unlocked_ioctl = ds_unlocked_ioctl,
.read = ds_read,
.write = ds_write,
.poll = ds_poll,
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff