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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
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/*
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* PS3 System Manager core.
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*
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* Copyright (C) 2007 Sony Computer Entertainment Inc.
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* Copyright 2007 Sony Corp.
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*/
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#include <linux/kernel.h>
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#include <linux/export.h>
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#include <asm/lv1call.h>
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#include <asm/ps3.h>
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/**
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* Staticly linked routines that allow late binding of a loaded sys-manager
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* module.
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*/
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static struct ps3_sys_manager_ops ps3_sys_manager_ops;
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/**
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* ps3_register_sys_manager_ops - Bind ps3_sys_manager_ops to a module.
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* @ops: struct ps3_sys_manager_ops.
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*
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* To be called from ps3_sys_manager_probe() and ps3_sys_manager_remove() to
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* register call back ops for power control. Copies data to the static
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* variable ps3_sys_manager_ops.
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*/
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void ps3_sys_manager_register_ops(const struct ps3_sys_manager_ops *ops)
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{
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BUG_ON(!ops);
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BUG_ON(!ops->dev);
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ps3_sys_manager_ops = *ops;
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}
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EXPORT_SYMBOL_GPL(ps3_sys_manager_register_ops);
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void __noreturn ps3_sys_manager_power_off(void)
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{
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if (ps3_sys_manager_ops.power_off)
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ps3_sys_manager_ops.power_off(ps3_sys_manager_ops.dev);
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ps3_sys_manager_halt();
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}
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void __noreturn ps3_sys_manager_restart(void)
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{
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if (ps3_sys_manager_ops.restart)
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ps3_sys_manager_ops.restart(ps3_sys_manager_ops.dev);
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ps3_sys_manager_halt();
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}
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void __noreturn ps3_sys_manager_halt(void)
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{
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pr_emerg("System Halted, OK to turn off power\n");
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local_irq_disable();
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while (1)
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lv1_pause(1);
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}
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