1 files changed, 0 insertions, 199 deletions

diff --git a/drivers/fmc/fmc-chardev.c b/drivers/fmc/fmc-chardev.c
deleted file mode 100644
index 7d2091b5e978..000000000000
--- a/drivers/fmc/fmc-chardev.c
+++ /dev/null
@@ -1,199 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2012 CERN (www.cern.ch)
- * Author: Alessandro Rubini <rubini@gnudd.com>
- *
- * This work is part of the White Rabbit project, a research effort led
- * by CERN, the European Institute for Nuclear Research.
- */
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <linux/fs.h>
-#include <linux/miscdevice.h>
-#include <linux/spinlock.h>
-#include <linux/fmc.h>
-#include <linux/uaccess.h>
-
-static LIST_HEAD(fc_devices);
-static DEFINE_SPINLOCK(fc_lock);
-
-struct fc_instance {
-	struct list_head list;
-	struct fmc_device *fmc;
-	struct miscdevice misc;
-};
-
-/* at open time, we must identify our device */
-static int fc_open(struct inode *ino, struct file *f)
-{
-	struct fmc_device *fmc;
-	struct fc_instance *fc;
-	int minor = iminor(ino);
-
-	list_for_each_entry(fc, &fc_devices, list)
-		if (fc->misc.minor == minor)
-			break;
-	if (fc->misc.minor != minor)
-		return -ENODEV;
-	fmc = fc->fmc;
-	if (try_module_get(fmc->owner) == 0)
-		return -ENODEV;
-
-	f->private_data = fmc;
-	return 0;
-}
-
-static int fc_release(struct inode *ino, struct file *f)
-{
-	struct fmc_device *fmc = f->private_data;
-	module_put(fmc->owner);
-	return 0;
-}
-
-/* read and write are simple after the default llseek has been used */
-static ssize_t fc_read(struct file *f, char __user *buf, size_t count,
-		       loff_t *offp)
-{
-	struct fmc_device *fmc = f->private_data;
-	unsigned long addr;
-	uint32_t val;
-
-	if (count < sizeof(val))
-		return -EINVAL;
-	count = sizeof(val);
-
-	addr = *offp;
-	if (addr > fmc->memlen)
-		return -ESPIPE; /* Illegal seek */
-	val = fmc_readl(fmc, addr);
-	if (copy_to_user(buf, &val, count))
-		return -EFAULT;
-	*offp += count;
-	return count;
-}
-
-static ssize_t fc_write(struct file *f, const char __user *buf, size_t count,
-			loff_t *offp)
-{
-	struct fmc_device *fmc = f->private_data;
-	unsigned long addr;
-	uint32_t val;
-
-	if (count < sizeof(val))
-		return -EINVAL;
-	count = sizeof(val);
-
-	addr = *offp;
-	if (addr > fmc->memlen)
-		return -ESPIPE; /* Illegal seek */
-	if (copy_from_user(&val, buf, count))
-		return -EFAULT;
-	fmc_writel(fmc, val, addr);
-	*offp += count;
-	return count;
-}
-
-static const struct file_operations fc_fops = {
-	.owner = THIS_MODULE,
-	.open = fc_open,
-	.release = fc_release,
-	.llseek = generic_file_llseek,
-	.read = fc_read,
-	.write = fc_write,
-};
-
-
-/* Device part .. */
-static int fc_probe(struct fmc_device *fmc);
-static int fc_remove(struct fmc_device *fmc);
-
-static struct fmc_driver fc_drv = {
-	.version = FMC_VERSION,
-	.driver.name = KBUILD_MODNAME,
-	.probe = fc_probe,
-	.remove = fc_remove,
-	/* no table: we want to match everything */
-};
-
-/* We accept the generic busid parameter */
-FMC_PARAM_BUSID(fc_drv);
-
-/* probe and remove must allocate and release a misc device */
-static int fc_probe(struct fmc_device *fmc)
-{
-	int ret;
-	int index = 0;
-
-	struct fc_instance *fc;
-
-	index = fmc_validate(fmc, &fc_drv);
-	if (index < 0)
-		return -EINVAL; /* not our device: invalid */
-
-	/* Create a char device: we want to create it anew */
-	fc = kzalloc(sizeof(*fc), GFP_KERNEL);
-	if (!fc)
-		return -ENOMEM;
-	fc->fmc = fmc;
-	fc->misc.minor = MISC_DYNAMIC_MINOR;
-	fc->misc.fops = &fc_fops;
-	fc->misc.name = kstrdup(dev_name(&fmc->dev), GFP_KERNEL);
-
-	ret = misc_register(&fc->misc);
-	if (ret < 0)
-		goto out;
-	spin_lock(&fc_lock);
-	list_add(&fc->list, &fc_devices);
-	spin_unlock(&fc_lock);
-	dev_info(&fc->fmc->dev, "Created misc device \"%s\"\n",
-		 fc->misc.name);
-	return 0;
-
-out:
-	kfree(fc->misc.name);
-	kfree(fc);
-	return ret;
-}
-
-static int fc_remove(struct fmc_device *fmc)
-{
-	struct fc_instance *fc;
-
-	list_for_each_entry(fc, &fc_devices, list)
-		if (fc->fmc == fmc)
-			break;
-	if (fc->fmc != fmc) {
-		dev_err(&fmc->dev, "remove called but not found\n");
-		return -ENODEV;
-	}
-
-	spin_lock(&fc_lock);
-	list_del(&fc->list);
-	spin_unlock(&fc_lock);
-	misc_deregister(&fc->misc);
-	kfree(fc->misc.name);
-	kfree(fc);
-
-	return 0;
-}
-
-
-static int fc_init(void)
-{
-	int ret;
-
-	ret = fmc_driver_register(&fc_drv);
-	return ret;
-}
-
-static void fc_exit(void)
-{
-	fmc_driver_unregister(&fc_drv);
-}
-
-module_init(fc_init);
-module_exit(fc_exit);
-
-MODULE_LICENSE("GPL");