This source file includes following definitions.
- mx27_suspend_enter
- imx27_pm_init
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10 #include <linux/kernel.h>
11 #include <linux/suspend.h>
12 #include <linux/io.h>
13
14 #include "hardware.h"
15
16 static int mx27_suspend_enter(suspend_state_t state)
17 {
18 u32 cscr;
19 switch (state) {
20 case PM_SUSPEND_MEM:
21
22 cscr = imx_readl(MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR));
23 cscr &= 0xFFFFFFFC;
24 imx_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR));
25
26 cpu_do_idle();
27 break;
28
29 default:
30 return -EINVAL;
31 }
32 return 0;
33 }
34
35 static const struct platform_suspend_ops mx27_suspend_ops = {
36 .enter = mx27_suspend_enter,
37 .valid = suspend_valid_only_mem,
38 };
39
40 void __init imx27_pm_init(void)
41 {
42 suspend_set_ops(&mx27_suspend_ops);
43 }