2 * Copyright (C) 2014 Freescale Semiconductor, Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
9 #include <linux/cpuidle.h>
10 #include <linux/module.h>
11 #include <asm/cpuidle.h>
12 #include <asm/proc-fns.h>
17 static int imx6sl_enter_wait(struct cpuidle_device
*dev
,
18 struct cpuidle_driver
*drv
, int index
)
20 imx6q_set_lpm(WAIT_UNCLOCKED
);
22 * Software workaround for ERR005311, see function
23 * description for details.
25 imx6sl_set_wait_clk(true);
27 imx6sl_set_wait_clk(false);
28 imx6q_set_lpm(WAIT_CLOCKED
);
33 static struct cpuidle_driver imx6sl_cpuidle_driver
= {
34 .name
= "imx6sl_cpuidle",
38 ARM_CPUIDLE_WFI_STATE
,
42 .target_residency
= 75,
43 .flags
= CPUIDLE_FLAG_TIMER_STOP
,
44 .enter
= imx6sl_enter_wait
,
50 .safe_state_index
= 0,
53 int __init
imx6sl_cpuidle_init(void)
55 return cpuidle_register(&imx6sl_cpuidle_driver
, NULL
);