linux/drivers/char/hw_random/ixp4xx-rng.c

// SPDX-License-Identifier: GPL-2.0
/*
 * drivers/char/hw_random/ixp4xx-rng.c
 *
 * RNG driver for Intel IXP4xx family of NPUs
 *
 * Author: Deepak Saxena <[email protected]>
 *
 * Copyright 2005 (c) MontaVista Software, Inc.
 *
 * Fixes by Michael Buesch
 */

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/hw_random.h>
#include <linux/of.h>
#include <linux/soc/ixp4xx/cpu.h>

#include <asm/io.h>

static int ixp4xx_rng_data_read(struct hwrng *rng, u32 *buffer)
{ … }

static struct hwrng ixp4xx_rng_ops = …;

static int ixp4xx_rng_probe(struct platform_device *pdev)
{ … }

static const struct of_device_id ixp4xx_rng_of_match[] = …;
MODULE_DEVICE_TABLE(of, ixp4xx_rng_of_match);

static struct platform_driver ixp4xx_rng_driver = …;
module_platform_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;