Merge tag 'v3.10.55' into update
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / mips / kernel / smp-up.c
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1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2006, 07 by Ralf Baechle (ralf@linux-mips.org)
7 *
8 * Symmetric Uniprocessor (TM) Support
9 */
10#include <linux/kernel.h>
11#include <linux/sched.h>
12
13/*
14 * Send inter-processor interrupt
15 */
1451a395 16static void up_send_ipi_single(int cpu, unsigned int action)
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17{
18 panic(KERN_ERR "%s called", __func__);
19}
20
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21static inline void up_send_ipi_mask(const struct cpumask *mask,
22 unsigned int action)
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23{
24 panic(KERN_ERR "%s called", __func__);
25}
26
27/*
28 * After we've done initial boot, this function is called to allow the
29 * board code to clean up state, if needed
30 */
1451a395 31static void __cpuinit up_init_secondary(void)
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32{
33}
34
1451a395 35static void __cpuinit up_smp_finish(void)
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36{
37}
38
39/* Hook for after all CPUs are online */
1451a395 40static void up_cpus_done(void)
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41{
42}
43
44/*
45 * Firmware CPU startup hook
46 */
1451a395 47static void __cpuinit up_boot_secondary(int cpu, struct task_struct *idle)
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48{
49}
50
1451a395 51static void __init up_smp_setup(void)
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52{
53}
54
1451a395 55static void __init up_prepare_cpus(unsigned int max_cpus)
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56{
57}
58
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59#ifdef CONFIG_HOTPLUG_CPU
60static int up_cpu_disable(void)
61{
62 return -ENOSYS;
63}
64
65static void up_cpu_die(unsigned int cpu)
66{
67 BUG();
68}
69#endif
70
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71struct plat_smp_ops up_smp_ops = {
72 .send_ipi_single = up_send_ipi_single,
73 .send_ipi_mask = up_send_ipi_mask,
74 .init_secondary = up_init_secondary,
75 .smp_finish = up_smp_finish,
76 .cpus_done = up_cpus_done,
77 .boot_secondary = up_boot_secondary,
78 .smp_setup = up_smp_setup,
79 .prepare_cpus = up_prepare_cpus,
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80#ifdef CONFIG_HOTPLUG_CPU
81 .cpu_disable = up_cpu_disable,
82 .cpu_die = up_cpu_die,
83#endif
940f6b48 84};