Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright 2016 NXP Semiconductors
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/suspend.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) static int imx25_suspend_enter(suspend_state_t state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	if (!IS_ENABLED(CONFIG_PM))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	switch (state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	case PM_SUSPEND_MEM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		cpu_do_idle();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static const struct platform_suspend_ops imx25_suspend_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	.enter = imx25_suspend_enter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	.valid = suspend_valid_only_mem,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) void __init imx25_pm_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	suspend_set_ops(&imx25_suspend_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }