linux/arch/powerpc/kernel/swsusp.c
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation either version 2 of the license or at
  your option any later version

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:32 -07:00

34 lines
650 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Common powerpc suspend code for 32 and 64 bits
*
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
*/
#include <linux/sched.h>
#include <linux/suspend.h>
#include <asm/current.h>
#include <asm/mmu_context.h>
#include <asm/switch_to.h>
void save_processor_state(void)
{
/*
* flush out all the special registers so we don't need
* to save them in the snapshot
*/
flush_all_to_thread(current);
#ifdef CONFIG_PPC64
hard_irq_disable();
#endif
}
void restore_processor_state(void)
{
#ifdef CONFIG_PPC32
switch_mmu_context(current->active_mm, current->active_mm, NULL);
#endif
}