aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-28 18:08:46 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-28 18:08:46 -0500
commit89337e944e85f301b38c9984176fdf063e5f679d (patch)
tree8cf6050e440459dfe9bf55d742ace116b3218480
parent90eedf0cbe4ba2a316633d6547d331c8b30517e7 (diff)
misc: delete mimc200 fram driver
To quote Mark: I think it's safe to delete the driver. The mimc200 unit is now basically obsolete and there'll be no new development on it. Becides, it grabs the 0 misc minor number, when it never asked for it, conflicting with the logitech bus mouse driver. Cc: Mark Jackson <mpfj@mimc.co.uk> Cc: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> Cc: Lucas De Marchi <lucas.de.marchi@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/avr32/boards/mimc200/Makefile2
-rw-r--r--arch/avr32/boards/mimc200/fram.c82
2 files changed, 1 insertions, 83 deletions
diff --git a/arch/avr32/boards/mimc200/Makefile b/arch/avr32/boards/mimc200/Makefile
index 79c076e168a8..c740aa116755 100644
--- a/arch/avr32/boards/mimc200/Makefile
+++ b/arch/avr32/boards/mimc200/Makefile
@@ -1 +1 @@
obj-y += setup.o flash.o fram.o obj-y += setup.o flash.o
diff --git a/arch/avr32/boards/mimc200/fram.c b/arch/avr32/boards/mimc200/fram.c
deleted file mode 100644
index c1466a872b9c..000000000000
--- a/arch/avr32/boards/mimc200/fram.c
+++ /dev/null
@@ -1,82 +0,0 @@
1/*
2 * FRAM driver for MIMC200 board
3 *
4 * Copyright 2008 Mark Jackson <mpfj@mimc.co.uk>
5 *
6 * This module adds *very* simply support for the system's FRAM device.
7 * At the moment, this is hard-coded to the MIMC200 platform, and only
8 * supports mmap().
9 */
10
11#define FRAM_VERSION "1.0"
12
13#include <linux/miscdevice.h>
14#include <linux/module.h>
15#include <linux/proc_fs.h>
16#include <linux/mm.h>
17#include <linux/io.h>
18
19#define FRAM_BASE 0xac000000
20#define FRAM_SIZE 0x20000
21
22/*
23 * The are the file operation function for user access to /dev/fram
24 */
25
26static int fram_mmap(struct file *filp, struct vm_area_struct *vma)
27{
28 int ret;
29
30 ret = remap_pfn_range(vma,
31 vma->vm_start,
32 virt_to_phys((void *)((unsigned long)FRAM_BASE)) >> PAGE_SHIFT,
33 vma->vm_end-vma->vm_start,
34 PAGE_SHARED);
35
36 if (ret != 0)
37 return -EAGAIN;
38
39 return 0;
40}
41
42static const struct file_operations fram_fops = {
43 .owner = THIS_MODULE,
44 .mmap = fram_mmap,
45 .llseek = noop_llseek,
46};
47
48#define FRAM_MINOR 0
49
50static struct miscdevice fram_dev = {
51 FRAM_MINOR,
52 "fram",
53 &fram_fops
54};
55
56static int __init
57fram_init(void)
58{
59 int ret;
60
61 ret = misc_register(&fram_dev);
62 if (ret) {
63 printk(KERN_ERR "fram: can't misc_register on minor=%d\n",
64 FRAM_MINOR);
65 return ret;
66 }
67 printk(KERN_INFO "FRAM memory driver v" FRAM_VERSION "\n");
68 return 0;
69}
70
71static void __exit
72fram_cleanup_module(void)
73{
74 misc_deregister(&fram_dev);
75}
76
77module_init(fram_init);
78module_exit(fram_cleanup_module);
79
80MODULE_LICENSE("GPL");
81
82MODULE_ALIAS_MISCDEV(FRAM_MINOR);