cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pm.c (561B)

      1// SPDX-License-Identifier: GPL-2.0-or-later
      2/*
      3 * Copyright (C) 2010 Freescale Semiconductor, Inc.
      4 */
      5
      6#include <linux/kernel.h>
      7#include <linux/suspend.h>
      8#include <linux/io.h>
      9#include "pm.h"
     10
     11static int mxs_suspend_enter(suspend_state_t state)
     12{
     13	switch (state) {
     14	case PM_SUSPEND_MEM:
     15		cpu_do_idle();
     16		break;
     17
     18	default:
     19		return -EINVAL;
     20	}
     21	return 0;
     22}
     23
     24static const struct platform_suspend_ops mxs_suspend_ops = {
     25	.enter = mxs_suspend_enter,
     26	.valid = suspend_valid_only_mem,
     27};
     28
     29void __init mxs_pm_init(void)
     30{
     31	suspend_set_ops(&mxs_suspend_ops);
     32}