staging: Add framebuffer driver for XGI chipsets

[safe/jmp/linux-2.6] / drivers / pcmcia / pcmcia_ioctl.c

diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 13a7132..d007a2a 100644 (file)
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -27,6 +27,7 @@
 #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>
@@ -300,7 +301,9 @@ static int pccard_get_status(struct pcmcia_socket *s,
            (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, &reg);
+                       mutex_unlock(&s->ops_mutex);
                        status->CardState |=
                                (reg & PRR_WP_STATUS) ? CS_EVENT_WRITE_PROTECT : 0;
                        status->CardState |=
@@ -314,7 +317,9 @@ static int pccard_get_status(struct pcmcia_socket *s,
                        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, &reg);
+                       mutex_unlock(&s->ops_mutex);
                        status->CardState |=
                                (reg & ESR_REQ_ATTN) ? CS_EVENT_REQUEST_ATTENTION : 0;
                }
@@ -350,7 +355,7 @@ static int pccard_get_configuration_info(struct pcmcia_socket *s,
                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) {
@@ -390,7 +395,7 @@ static int pccard_get_configuration_info(struct pcmcia_socket *s,
        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;
@@ -570,7 +575,6 @@ static struct pci_bus *pcmcia_lookup_bus(struct pcmcia_socket *s)
 
 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;
        int ret = 0;
@@ -632,21 +636,13 @@ static int get_device_info(struct pcmcia_socket *s, bind_info_t *bind_info, int
                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);
@@ -710,7 +706,7 @@ static int ds_open(struct inode *inode, struct file *file)
            warning_printed = 1;
     }
 
-    if (s->pcmcia_state.present)
+    if (atomic_read(&s->present))
        queue_event(user, CS_EVENT_CARD_INSERTION);
 out:
     unlock_kernel();
@@ -769,9 +765,6 @@ static ssize_t ds_read(struct file *file, char __user *buf,
        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;
@@ -820,8 +813,7 @@ static u_int ds_poll(struct file *file, poll_table *wait)
 
 /*====================================================================*/
 
-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;
@@ -837,8 +829,6 @@ static int ds_ioctl(struct inode *inode, struct file *file,
        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))
@@ -1030,13 +1020,25 @@ free_out:
     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,