int __init nvramdrv_init(void)
{
int r;
r = register_chrdev(nvram_major, NVRAM_DEVNAME,
&nvramdrv_fops);
if (r < 0) {
printk(KERN_CRIT "nvramdrv: unable to register %s(%d)\n",
NVRAM_DEVNAME, nvram_major);
return r;
}
if (nvram_major == 0) {
nvram_major = r;
printk(KERN_DEBUG "nvramdrv: got dynamic major %d\n", r);
}
#if LINUX_VERSION_CODE > KERNEL_VERSION(3,3,0)
sema_init(&nvram_sem, 1);
#else
init_MUTEX(&nvram_sem);
#endif
down(&nvram_sem);
init_nvram_block();
up(&nvram_sem);
return 0;
}
int ra_nvram_init(void)
{
int i, r = 0, ret = 0;
printk("NVRAM: Kernel NVRAM start init.\n");
r = register_chrdev(ralink_nvram_major, RALINK_NVRAM_DEVNAME,
&ralink_nvram_fops);
if (r < 0) {
printk(KERN_ERR "NVRAM: unable to register character device\n");
return r;
}
if (ralink_nvram_major == 0) {
ralink_nvram_major = r;
printk(KERN_DEBUG "NVRAM: got dynamic major %d\n", r);
}
sema_init(&nvram_sem, 1);
#ifdef AUTO_REBUILD_NVRAM
reinit:
#endif
down(&nvram_sem);
for (i = 0; i < FLASH_BLOCK_NUM; i++)
ret=init_nvram_block(i);
#ifdef AUTO_REBUILD_NVRAM
if (ret == NEED_REINIT) { /* try flash cleanup */
goto reinit;
}
#endif
up(&nvram_sem);
return 0;
}
int __init ra_nvram_init(void)
{
int i;
#ifndef CONFIG_DEVFS_FS
int r = 0;
#endif
#ifdef CONFIG_DEVFS_FS
if (devfs_register_chrdev(ralink_nvram_major, RALINK_NVRAM_DEVNAME,
&ralink_nvram_fops)) {
printk(KERN_ERR NAME ": unable to register character device\n");
return -EIO;
}
devfs_handle = devfs_register(NULL, RALINK_NVRAM_DEVNAME,
DEVFS_FL_DEFAULT, ralink_nvram_major, 0,
S_IFCHR | S_IRUGO | S_IWUGO, &ralink_nvram_fops, NULL);
#else
r = register_chrdev(ralink_nvram_major, RALINK_NVRAM_DEVNAME,
&ralink_nvram_fops);
if (r < 0) {
printk(KERN_ERR "ralink_nvram: unable to register character device\n");
return r;
}
if (ralink_nvram_major == 0) {
ralink_nvram_major = r;
printk(KERN_DEBUG "ralink_nvram: got dynamic major %d\n", r);
}
#endif
init_MUTEX(&nvram_sem);
down(&nvram_sem);
for (i = 0; i < FLASH_BLOCK_NUM; i++)
init_nvram_block(i);
up(&nvram_sem);
return 0;
}
