96efbab92c
Static checkers don't like the inconsistent NULL checking on "ops". This function is only called once and "ops" isn't NULL so the check can be removed. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/ddc3513dc54d15456692c80df49287fe3babe40a.1585340156.git.geoff@infradead.org
61 lines
1.4 KiB
C
61 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* PS3 System Manager core.
|
|
*
|
|
* Copyright (C) 2007 Sony Computer Entertainment Inc.
|
|
* Copyright 2007 Sony Corp.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/export.h>
|
|
#include <asm/lv1call.h>
|
|
#include <asm/ps3.h>
|
|
|
|
/**
|
|
* Staticly linked routines that allow late binding of a loaded sys-manager
|
|
* module.
|
|
*/
|
|
|
|
static struct ps3_sys_manager_ops ps3_sys_manager_ops;
|
|
|
|
/**
|
|
* ps3_register_sys_manager_ops - Bind ps3_sys_manager_ops to a module.
|
|
* @ops: struct ps3_sys_manager_ops.
|
|
*
|
|
* To be called from ps3_sys_manager_probe() and ps3_sys_manager_remove() to
|
|
* register call back ops for power control. Copies data to the static
|
|
* variable ps3_sys_manager_ops.
|
|
*/
|
|
|
|
void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops)
|
|
{
|
|
BUG_ON(!ops);
|
|
BUG_ON(!ops->dev);
|
|
ps3_sys_manager_ops = *ops;
|
|
}
|
|
EXPORT_SYMBOL_GPL(ps3_sys_manager_register_ops);
|
|
|
|
void __noreturn ps3_sys_manager_power_off(void)
|
|
{
|
|
if (ps3_sys_manager_ops.power_off)
|
|
ps3_sys_manager_ops.power_off(ps3_sys_manager_ops.dev);
|
|
|
|
ps3_sys_manager_halt();
|
|
}
|
|
|
|
void __noreturn ps3_sys_manager_restart(void)
|
|
{
|
|
if (ps3_sys_manager_ops.restart)
|
|
ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev);
|
|
|
|
ps3_sys_manager_halt();
|
|
}
|
|
|
|
void __noreturn ps3_sys_manager_halt(void)
|
|
{
|
|
pr_emerg("System Halted, OK to turn off power\n");
|
|
local_irq_disable();
|
|
while (1)
|
|
lv1_pause(1);
|
|
}
|
|
|