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Subject[PATCH] add sysfs class support for mem devices [04/10]

This adds class/mem/ for all memory devices (random, raw, null, etc.)

diff -Nru a/drivers/char/mem.c b/drivers/char/mem.c
--- a/drivers/char/mem.c Thu Jan 15 11:06:02 2004
+++ b/drivers/char/mem.c Thu Jan 15 11:06:02 2004
@@ -24,6 +24,7 @@
#include <linux/smp_lock.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/ptrace.h>
+#include <linux/device.h>

#include <asm/uaccess.h>
#include <asm/io.h>
@@ -676,6 +677,8 @@
{11,"kmsg", S_IRUGO | S_IWUSR, &kmsg_fops},
};

+static struct class_simple *mem_class;
+
static int __init chr_dev_init(void)
{
int i;
@@ -683,7 +686,11 @@
if (register_chrdev(MEM_MAJOR,"mem",&memory_fops))
printk("unable to get major %d for memory devs\n", MEM_MAJOR);

+ mem_class = class_simple_create(THIS_MODULE, "mem");
for (i = 0; i < ARRAY_SIZE(devlist); i++) {
+ class_simple_device_add(mem_class,
+ MKDEV(MEM_MAJOR, devlist[i].minor),
+ NULL, devlist[i].name);
devfs_mk_cdev(MKDEV(MEM_MAJOR, devlist[i].minor),
S_IFCHR | devlist[i].mode, devlist[i].name);
}
-
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