diff options
Diffstat (limited to 'kernel/arch/arm/mach-mxs/pm.c')
-rw-r--r-- | kernel/arch/arm/mach-mxs/pm.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-mxs/pm.c b/kernel/arch/arm/mach-mxs/pm.c new file mode 100644 index 000000000..0170e99fd --- /dev/null +++ b/kernel/arch/arm/mach-mxs/pm.c @@ -0,0 +1,41 @@ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/suspend.h> +#include <linux/io.h> +#include "pm.h" + +static int mxs_suspend_enter(suspend_state_t state) +{ + switch (state) { + case PM_SUSPEND_MEM: + cpu_do_idle(); + break; + + default: + return -EINVAL; + } + return 0; +} + +static struct platform_suspend_ops mxs_suspend_ops = { + .enter = mxs_suspend_enter, + .valid = suspend_valid_only_mem, +}; + +void __init mxs_pm_init(void) +{ + suspend_set_ops(&mxs_suspend_ops); +} |