android_kernel_xiaomi_sm7250/drivers/char/lrng/lrng_interface_dev.c
Juhyung Park e2659e1cdf lrng: merge v45
Signed-off-by: Juhyung Park <qkrwngud825@gmail.com>
Signed-off-by: UtsavBalar1231 <utsavbalar1231@gmail.com>
2022-11-12 11:23:17 +00:00

36 lines
828 B
C

// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
/*
* LRNG user space device file interface
*
* Copyright (C) 2022, Stephan Mueller <smueller@chronox.de>
*/
#include <linux/miscdevice.h>
#include <linux/module.h>
#include "lrng_interface_dev_common.h"
static const struct file_operations lrng_fops = {
.read = lrng_drng_read_block,
.write = lrng_drng_write,
.poll = lrng_random_poll,
.unlocked_ioctl = lrng_ioctl,
.compat_ioctl = compat_ptr_ioctl,
.fasync = lrng_fasync,
.llseek = noop_llseek,
};
static struct miscdevice lrng_miscdev = {
.minor = MISC_DYNAMIC_MINOR,
.name = "lrng",
.nodename = "lrng",
.fops = &lrng_fops,
.mode = 0666
};
static int __init lrng_dev_if_mod_init(void)
{
return misc_register(&lrng_miscdev);
}
device_initcall(lrng_dev_if_mod_init);