kernel_optimize_test/arch/csky/kernel/power.c
Guo Ren c5af58b769 csky: Library functions
This patch adds string optimize codes and some auxiliary codes.

Signed-off-by: Chen Linfei <linfei_chen@c-sky.com>
Signed-off-by: Mao Han <han_mao@c-sky.com>
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
2018-10-26 00:54:24 +08:00

31 lines
517 B
C

// SPDX-License-Identifier: GPL-2.0
// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
#include <linux/reboot.h>
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
void machine_power_off(void)
{
local_irq_disable();
if (pm_power_off)
pm_power_off();
asm volatile ("bkpt");
}
void machine_halt(void)
{
local_irq_disable();
if (pm_power_off)
pm_power_off();
asm volatile ("bkpt");
}
void machine_restart(char *cmd)
{
local_irq_disable();
do_kernel_restart(cmd);
asm volatile ("bkpt");
}