1 files changed, 0 insertions, 135 deletions
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
deleted file mode 100644
index 807cd3358740..000000000000
--- a/arch/um/drivers/mmapper_kern.c
+++ /dev/null
@@ -1,135 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/um/drivers/mmapper_kern.c
- *
- * BRIEF MODULE DESCRIPTION
- *
- * Copyright (C) 2000 RidgeRun, Inc.
- * Author: RidgeRun, Inc.
- *         Greg Lonnon glonnon@ridgerun.com or info@ridgerun.com
- *
- */
-
-#include <linux/stddef.h>
-#include <linux/types.h>
-#include <linux/fs.h>
-#include <linux/init.h>
-#include <linux/miscdevice.h>
-#include <linux/module.h>
-#include <linux/mm.h>
-
-#include <linux/uaccess.h>
-#include <mem_user.h>
-
-/* These are set in mmapper_init, which is called at boot time */
-static unsigned long mmapper_size;
-static unsigned long p_buf;
-static char *v_buf;
-
-static ssize_t mmapper_read(struct file *file, char __user *buf, size_t count,
-			    loff_t *ppos)
-{
-	return simple_read_from_buffer(buf, count, ppos, v_buf, mmapper_size);
-}
-
-static ssize_t mmapper_write(struct file *file, const char __user *buf,
-			     size_t count, loff_t *ppos)
-{
-	if (*ppos > mmapper_size)
-		return -EINVAL;
-
-	return simple_write_to_buffer(v_buf, mmapper_size, ppos, buf, count);
-}
-
-static long mmapper_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	return -ENOIOCTLCMD;
-}
-
-static int mmapper_mmap(struct file *file, struct vm_area_struct *vma)
-{
-	int ret = -EINVAL;
-	int size;
-
-	if (vma->vm_pgoff != 0)
-		goto out;
-
-	size = vma->vm_end - vma->vm_start;
-	if (size > mmapper_size)
-		return -EFAULT;
-
-	/*
-	 * XXX A comment above remap_pfn_range says it should only be
-	 * called when the mm semaphore is held
-	 */
-	if (remap_pfn_range(vma, vma->vm_start, p_buf >> PAGE_SHIFT, size,
-			    vma->vm_page_prot))
-		goto out;
-	ret = 0;
-out:
-	return ret;
-}
-
-static int mmapper_open(struct inode *inode, struct file *file)
-{
-	return 0;
-}
-
-static int mmapper_release(struct inode *inode, struct file *file)
-{
-	return 0;
-}
-
-static const struct file_operations mmapper_fops = {
-	.owner		= THIS_MODULE,
-	.read		= mmapper_read,
-	.write		= mmapper_write,
-	.unlocked_ioctl	= mmapper_ioctl,
-	.mmap		= mmapper_mmap,
-	.open		= mmapper_open,
-	.release	= mmapper_release,
-	.llseek		= default_llseek,
-};
-
-/*
- * No locking needed - only used (and modified) by below initcall and exitcall.
- */
-static struct miscdevice mmapper_dev = {
-	.minor		= MISC_DYNAMIC_MINOR,
-	.name		= "mmapper",
-	.fops		= &mmapper_fops
-};
-
-static int __init mmapper_init(void)
-{
-	int err;
-
-	printk(KERN_INFO "Mapper v0.1\n");
-
-	v_buf = (char *) find_iomem("mmapper", &mmapper_size);
-	if (mmapper_size == 0) {
-		printk(KERN_ERR "mmapper_init - find_iomem failed\n");
-		return -ENODEV;
-	}
-	p_buf = __pa(v_buf);
-
-	err = misc_register(&mmapper_dev);
-	if (err) {
-		printk(KERN_ERR "mmapper - misc_register failed, err = %d\n",
-		       err);
-		return err;
-	}
-	return 0;
-}
-
-static void __exit mmapper_exit(void)
-{
-	misc_deregister(&mmapper_dev);
-}
-
-module_init(mmapper_init);
-module_exit(mmapper_exit);
-
-MODULE_AUTHOR("Greg Lonnon <glonnon@ridgerun.com>");
-MODULE_DESCRIPTION("DSPLinux simulator mmapper driver");
-MODULE_LICENSE("GPL");