| // 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 | |
| } |