88ca0557a0
Remove directly accessing device_node.type pointer and use the accessors instead. This will eventually allow removing the type pointer. Replace the open coded iterating over child nodes with for_each_child_of_node() while we're here. Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* reboot.c: reboot/shutdown/halt/poweroff handling
|
|
*
|
|
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <linux/reboot.h>
|
|
#include <linux/export.h>
|
|
#include <linux/pm.h>
|
|
#include <linux/of.h>
|
|
|
|
#include <asm/oplib.h>
|
|
#include <asm/prom.h>
|
|
#include <asm/setup.h>
|
|
|
|
/* sysctl - toggle power-off restriction for serial console
|
|
* systems in machine_power_off()
|
|
*/
|
|
int scons_pwroff = 1;
|
|
|
|
/* This isn't actually used, it exists merely to satisfy the
|
|
* reference in kernel/sys.c
|
|
*/
|
|
void (*pm_power_off)(void) = machine_power_off;
|
|
EXPORT_SYMBOL(pm_power_off);
|
|
|
|
void machine_power_off(void)
|
|
{
|
|
if (!of_node_is_type(of_console_device, "serial") || scons_pwroff)
|
|
prom_halt_power_off();
|
|
|
|
prom_halt();
|
|
}
|
|
|
|
void machine_halt(void)
|
|
{
|
|
prom_halt();
|
|
panic("Halt failed!");
|
|
}
|
|
|
|
void machine_restart(char *cmd)
|
|
{
|
|
char *p;
|
|
|
|
p = strchr(reboot_command, '\n');
|
|
if (p)
|
|
*p = 0;
|
|
if (cmd)
|
|
prom_reboot(cmd);
|
|
if (*reboot_command)
|
|
prom_reboot(reboot_command);
|
|
prom_reboot("");
|
|
panic("Reboot failed!");
|
|
}
|
|
|