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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
a30eceb7 MG |
2 | #include <linux/init.h> |
3 | #include <linux/suspend.h> | |
4 | #include <asm/suspend.h> | |
5 | #include "smc.h" | |
d0f9f167 | 6 | #include "pm.h" |
a30eceb7 MG |
7 | |
8 | static int tango_pm_powerdown(unsigned long arg) | |
9 | { | |
64fc2a94 | 10 | tango_suspend(__pa_symbol(cpu_resume)); |
a30eceb7 MG |
11 | |
12 | return -EIO; /* tango_suspend has failed */ | |
13 | } | |
14 | ||
15 | static int tango_pm_enter(suspend_state_t state) | |
16 | { | |
17 | if (state == PM_SUSPEND_MEM) | |
18 | return cpu_suspend(0, tango_pm_powerdown); | |
19 | ||
20 | return -EINVAL; | |
21 | } | |
22 | ||
23 | static const struct platform_suspend_ops tango_pm_ops = { | |
24 | .enter = tango_pm_enter, | |
25 | .valid = suspend_valid_only_mem, | |
26 | }; | |
27 | ||
d0f9f167 | 28 | void __init tango_pm_init(void) |
a30eceb7 MG |
29 | { |
30 | suspend_set_ops(&tango_pm_ops); | |
a30eceb7 | 31 | } |