/*
  * Handle commands from user-space.
  */
-static int at32_wdt_ioctl(struct inode *inode, struct file *file,
-               unsigned int cmd, unsigned long arg)
+static long at32_wdt_ioctl(struct file *file,
+                               unsigned int cmd, unsigned long arg)
 {
        int ret = -ENOTTY;
        int time;
 static const struct file_operations at32_wdt_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
-       .ioctl          = at32_wdt_ioctl,
+       .unlocked_ioctl = at32_wdt_ioctl,
        .open           = at32_wdt_open,
        .release        = at32_wdt_close,
        .write          = at32_wdt_write,
                wdt = NULL;
                platform_set_drvdata(pdev, NULL);
        }
-
        return 0;
 }