acrn-kernel/arch/avr32/boards/merisc/merisc_sysfs.c

66 lines
1.3 KiB
C

/*
* Merisc sysfs exports
*
* Copyright (C) 2008 Martinsson Elektronik AB
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/device.h>
#include <linux/sysdev.h>
#include <linux/timer.h>
#include <linux/err.h>
#include <linux/ctype.h>
#include "merisc.h"
static ssize_t merisc_model_show(struct class *class, char *buf)
{
ssize_t ret = 0;
sprintf(buf, "%s\n", merisc_model());
ret = strlen(buf) + 1;
return ret;
}
static ssize_t merisc_revision_show(struct class *class, char *buf)
{
ssize_t ret = 0;
sprintf(buf, "%s\n", merisc_revision());
ret = strlen(buf) + 1;
return ret;
}
static struct class_attribute merisc_class_attrs[] = {
__ATTR(model, S_IRUGO, merisc_model_show, NULL),
__ATTR(revision, S_IRUGO, merisc_revision_show, NULL),
__ATTR_NULL,
};
struct class merisc_class = {
.name = "merisc",
.owner = THIS_MODULE,
.class_attrs = merisc_class_attrs,
};
static int __init merisc_sysfs_init(void)
{
int status;
status = class_register(&merisc_class);
if (status < 0)
return status;
return 0;
}
postcore_initcall(merisc_sysfs_init);