Cregit: Linux 5.2: sched-clock.c

Contributors: 5
Author	Tokens	Token Proportion	Commits	Commit Proportion
Russell King	57	81.43%	3	37.50%
Marc Zyngier	6	8.57%	1	12.50%
Stephen Boyd	3	4.29%	2	25.00%
Thomas Gleixner	2	2.86%	1	12.50%
Rabin Vincent	2	2.86%	1	12.50%
Total	70		8

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  linux/arch/arm/plat-versatile/sched-clock.c
 *
 *  Copyright (C) 1999 - 2003 ARM Limited
 *  Copyright (C) 2000 Deep Blue Solutions Ltd
 */
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/sched_clock.h>

#include <plat/sched_clock.h>

static void __iomem *ctr;

static u64 notrace versatile_read_sched_clock(void)
{
	if (ctr)
		return readl(ctr);

	return 0;
}

void __init versatile_sched_clock_init(void __iomem *reg, unsigned long rate)
{
	ctr = reg;
	sched_clock_register(versatile_read_sched_clock, 32, rate);
}