1 files changed, 11 insertions, 53 deletions

diff --git a/drivers/staging/meilhaus/memain.c b/drivers/staging/meilhaus/memain.c
index fd9f079b0ed..d5aacdd5205 100644
--- a/drivers/staging/meilhaus/memain.c
+++ b/drivers/staging/meilhaus/memain.c
@@ -38,7 +38,7 @@
 //#include <linux/usb.h>
 #include <linux/errno.h>
 #include <linux/uaccess.h>
-#include <linux/cdev.h>
+#include <linux/miscdevice.h>
 #include <linux/rwsem.h>
 
 #include "medefines.h"
@@ -68,13 +68,6 @@ MODULE_PARM_DESC(me_bosch_fw,
 		 "Flags which signals the ME-4600 driver to load the bosch firmware (default = 0).");
 #endif //BOSCH
 
-static unsigned int major = 0;
-#ifdef module_param
-module_param(major, int, S_IRUGO);
-#else
-MODULE_PARM(major, "i");
-#endif
-
 /* Global Driver Lock
 */
 
@@ -100,15 +93,10 @@ static int me_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
 //static int me_probe_usb(struct usb_interface *interface, const struct usb_device_id *id);
 //static void me_disconnect_usb(struct usb_interface *interface);
 
-/* Character device structure
-*/
-
-static struct cdev *cdevp;
-
 /* File operations provided by the module
 */
 
-static struct file_operations me_file_operations = {
+static const struct file_operations me_file_operations = {
 	.owner = THIS_MODULE,
 	.ioctl = me_ioctl,
 	.open = me_open,
@@ -1910,11 +1898,16 @@ static int me_ioctl(struct inode *inodep,
 	return -ENOTTY;
 }
 
+static struct miscdevice me_miscdev = {
+	.minor = MISC_DYNAMIC_MINOR,
+	.name = MEMAIN_NAME,
+	.fops = &me_file_operations,
+};
+
 // Init and exit of module.
 static int memain_init(void)
 {
 	int result = 0;
-	dev_t dev = MKDEV(major, 0);
 
 	PDEBUG("executed.\n");
 
@@ -1943,46 +1936,14 @@ static int memain_init(void)
 		}
 	}
 */
-	// Register the character device.
-	if (major) {
-		result = register_chrdev_region(dev, 1, MEMAIN_NAME);
-	} else {
-		result = alloc_chrdev_region(&dev, 0, 1, MEMAIN_NAME);
-		major = MAJOR(dev);
-	}
-
+	result = misc_register(&me_miscdev);
 	if (result < 0) {
-		PERROR("Can't get major driver no.\n");
+		printk(KERN_ERR MEMAIN_NAME ": can't register misc device\n");
 		goto INIT_ERROR_3;
 	}
 
-	cdevp = cdev_alloc();
-
-	if (!cdevp) {
-		PERROR("Can't get character device structure.\n");
-		result = -ENOMEM;
-		goto INIT_ERROR_4;
-	}
-
-	cdevp->ops = &me_file_operations;
-
-	cdevp->owner = THIS_MODULE;
-
-	result = cdev_add(cdevp, dev, 1);
-
-	if (result < 0) {
-		PERROR("Cannot add character device structure.\n");
-		goto INIT_ERROR_5;
-	}
-
 	return 0;
 
-      INIT_ERROR_5:
-	cdev_del(cdevp);
-
-      INIT_ERROR_4:
-	unregister_chrdev_region(dev, 1);
-
       INIT_ERROR_3:
 //      usb_deregister(&me_usb_driver);
 
@@ -1996,12 +1957,9 @@ static int memain_init(void)
 
 static void __exit memain_exit(void)
 {
-	dev_t dev = MKDEV(major, 0);
-
 	PDEBUG("executed.\n");
 
-	cdev_del(cdevp);
-	unregister_chrdev_region(dev, 1);
+	misc_deregister(&me_miscdev);
 	pci_unregister_driver(&me_pci_driver);
 //      usb_deregister(&me_usb_driver);
 	clear_device_list();