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/*
* Copyright (C) ST-Ericsson SA 2011
* Author: Maxime Coquelin <maxime.coquelin-nonst@stericsson.com> for ST-Ericsson.
* License terms: GNU General Public License (GPL), version 2
*/
#include <linux/sysfs.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/stat.h>
#include <linux/slab.h>
#include <linux/sys_soc.h>
struct kobject *soc_object;
ssize_t show_soc_info(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
struct sysfs_soc_info *si = container_of(attr,
struct sysfs_soc_info, attr);
if (si->info)
return sprintf(buf, "%s\n", si->info);
return si->get_info(buf, si);
}
int __init register_sysfs_soc_info(struct sysfs_soc_info *info, int nb_info)
{
int i, ret;
for (i = 0; i < nb_info; i++) {
ret = sysfs_create_file(soc_object, &info[i].attr.attr);
if (ret) {
for (i -= 1; i >= 0; i--)
sysfs_remove_file(soc_object, &info[i].attr.attr);
break;
}
}
return ret;
}
static struct attribute *soc_attrs[] = {
NULL,
};
static struct attribute_group soc_attr_group = {
.attrs = soc_attrs,
};
int __init register_sysfs_soc(struct sysfs_soc_info *info, size_t num)
{
int ret;
soc_object = kobject_create_and_add("socinfo", NULL);
if (!soc_object) {
ret = -ENOMEM;
goto exit;
}
ret = sysfs_create_group(soc_object, &soc_attr_group);
if (ret)
goto kset_exit;
ret = register_sysfs_soc_info(info, num);
if (ret)
goto group_exit;
return 0;
group_exit:
sysfs_remove_group(soc_object, &soc_attr_group);
kset_exit:
kobject_put(soc_object);
exit:
return ret;
}
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