| // 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 |
| } |
