cs5536: define dma_sff_read_status() method

[safe/jmp/linux-2.6] / drivers / char / ppdev.c

diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 306ee0f..c84c34f 100644 (file)
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -60,15 +60,14 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/device.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/ioctl.h>
 #include <linux/parport.h>
 #include <linux/ctype.h>
 #include <linux/poll.h>
-#include <asm/uaccess.h>
+#include <linux/major.h>
 #include <linux/ppdev.h>
 #include <linux/smp_lock.h>
-#include <linux/device.h>
+#include <linux/uaccess.h>
 
 #define PP_VERSION "ppdev: user-space parallel port driver"
 #define CHRDEV "ppdev"
@@ -106,7 +105,7 @@ static inline void pp_enable_irq (struct pp_struct *pp)
 static ssize_t pp_read (struct file * file, char __user * buf, size_t count,
                        loff_t * ppos)
 {
-       unsigned int minor = iminor(file->f_dentry->d_inode);
+       unsigned int minor = iminor(file->f_path.dentry->d_inode);
        struct pp_struct *pp = file->private_data;
        char * kbuffer;
        ssize_t bytes_read = 0;
@@ -189,7 +188,7 @@ static ssize_t pp_read (struct file * file, char __user * buf, size_t count,
 static ssize_t pp_write (struct file * file, const char __user * buf,
                         size_t count, loff_t * ppos)
 {
-       unsigned int minor = iminor(file->f_dentry->d_inode);
+       unsigned int minor = iminor(file->f_path.dentry->d_inode);
        struct pp_struct *pp = file->private_data;
        char * kbuffer;
        ssize_t bytes_written = 0;
@@ -269,9 +268,9 @@ static ssize_t pp_write (struct file * file, const char __user * buf,
        return bytes_written;
 }
 
-static void pp_irq (int irq, void * private, struct pt_regs * unused)
+static void pp_irq (void *private)
 {
-       struct pp_struct * pp = (struct pp_struct *) private;
+       struct pp_struct *pp = private;
 
        if (pp->irqresponse) {
                parport_write_control (pp->pdev->port, pp->irqctl);
@@ -329,10 +328,9 @@ static enum ieee1284_phase init_phase (int mode)
        return IEEE1284_PH_FWD_IDLE;
 }
 
-static int pp_ioctl(struct inode *inode, struct file *file,
-                   unsigned int cmd, unsigned long arg)
+static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-       unsigned int minor = iminor(inode);
+       unsigned int minor = iminor(file->f_path.dentry->d_inode);
        struct pp_struct *pp = file->private_data;
        struct parport * port;
        void __user *argp = (void __user *)arg;
@@ -635,11 +633,21 @@ static int pp_ioctl(struct inode *inode, struct file *file,
        return 0;
 }
 
+static long pp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+       long ret;
+       lock_kernel();
+       ret = pp_do_ioctl(file, cmd, arg);
+       unlock_kernel();
+       return ret;
+}
+
 static int pp_open (struct inode * inode, struct file * file)
 {
        unsigned int minor = iminor(inode);
        struct pp_struct *pp;
 
+       cycle_kernel_lock();
        if (minor >= PARPORT_MAX)
                return -ENXIO;
 
@@ -739,26 +747,26 @@ static unsigned int pp_poll (struct file * file, poll_table * wait)
 
 static struct class *ppdev_class;
 
-static struct file_operations pp_fops = {
+static const struct file_operations pp_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .read           = pp_read,
        .write          = pp_write,
        .poll           = pp_poll,
-       .ioctl          = pp_ioctl,
+       .unlocked_ioctl = pp_ioctl,
        .open           = pp_open,
        .release        = pp_release,
 };
 
 static void pp_attach(struct parport *port)
 {
-       class_device_create(ppdev_class, NULL, MKDEV(PP_MAJOR, port->number),
-                       NULL, "parport%d", port->number);
+       device_create(ppdev_class, port->dev, MKDEV(PP_MAJOR, port->number),
+                     NULL, "parport%d", port->number);
 }
 
 static void pp_detach(struct parport *port)
 {
-       class_device_destroy(ppdev_class, MKDEV(PP_MAJOR, port->number));
+       device_destroy(ppdev_class, MKDEV(PP_MAJOR, port->number));
 }
 
 static struct parport_driver pp_driver = {
@@ -769,7 +777,7 @@ static struct parport_driver pp_driver = {
 
 static int __init ppdev_init (void)
 {
-       int i, err = 0;
+       int err = 0;
 
        if (register_chrdev (PP_MAJOR, CHRDEV, &pp_fops)) {
                printk (KERN_WARNING CHRDEV ": unable to get major %d\n",
@@ -781,11 +789,6 @@ static int __init ppdev_init (void)
                err = PTR_ERR(ppdev_class);
                goto out_chrdev;
        }
-       devfs_mk_dir("parports");
-       for (i = 0; i < PARPORT_MAX; i++) {
-               devfs_mk_cdev(MKDEV(PP_MAJOR, i),
-                               S_IFCHR | S_IRUGO | S_IWUGO, "parports/%d", i);
-       }
        if (parport_register_driver(&pp_driver)) {
                printk (KERN_WARNING CHRDEV ": unable to register with parport\n");
                goto out_class;
@@ -795,9 +798,6 @@ static int __init ppdev_init (void)
        goto out;
 
 out_class:
-       for (i = 0; i < PARPORT_MAX; i++)
-               devfs_remove("parports/%d", i);
-       devfs_remove("parports");
        class_destroy(ppdev_class);
 out_chrdev:
        unregister_chrdev(PP_MAJOR, CHRDEV);
@@ -807,12 +807,8 @@ out:
 
 static void __exit ppdev_cleanup (void)
 {
-       int i;
        /* Clean up all parport stuff */
-       for (i = 0; i < PARPORT_MAX; i++)
-               devfs_remove("parports/%d", i);
        parport_unregister_driver(&pp_driver);
-       devfs_remove("parports");
        class_destroy(ppdev_class);
        unregister_chrdev (PP_MAJOR, CHRDEV);
 }