Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[powerpc.git] / drivers / telephony / phonedev.c
index 7a6db1c..bcea8d9 100644 (file)
@@ -28,7 +28,6 @@
 
 #include <linux/kmod.h>
 #include <linux/sem.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/mutex.h>
 
 #define PHONE_NUM_DEVICES      256
@@ -49,7 +48,7 @@ static int phone_open(struct inode *inode, struct file *file)
        unsigned int minor = iminor(inode);
        int err = 0;
        struct phone_device *p;
-       struct file_operations *old_fops, *new_fops = NULL;
+       const struct file_operations *old_fops, *new_fops = NULL;
 
        if (minor >= PHONE_NUM_DEVICES)
                return -ENODEV;
@@ -106,8 +105,6 @@ int phone_register_device(struct phone_device *p, int unit)
                if (phone_device[i] == NULL) {
                        phone_device[i] = p;
                        p->minor = i;
-                       devfs_mk_cdev(MKDEV(PHONE_MAJOR,i),
-                               S_IFCHR|S_IRUSR|S_IWUSR, "phone/%d", i);
                        mutex_unlock(&phone_lock);
                        return 0;
                }
@@ -123,15 +120,13 @@ int phone_register_device(struct phone_device *p, int unit)
 void phone_unregister_device(struct phone_device *pfd)
 {
        mutex_lock(&phone_lock);
-       if (phone_device[pfd->minor] != pfd)
-               panic("phone: bad unregister");
-       devfs_remove("phone/%d", pfd->minor);
-       phone_device[pfd->minor] = NULL;
+       if (likely(phone_device[pfd->minor] == pfd))
+               phone_device[pfd->minor] = NULL;
        mutex_unlock(&phone_lock);
 }
 
 
-static struct file_operations phone_fops =
+static const struct file_operations phone_fops =
 {
        .owner          = THIS_MODULE,
        .open           = phone_open,