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Diffstat (limited to 'arch/arm/mach-shmobile/suspend.c')
-rw-r--r-- | arch/arm/mach-shmobile/suspend.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/suspend.c b/arch/arm/mach-shmobile/suspend.c new file mode 100644 index 000000000..5d92b5dd4 --- /dev/null +++ b/arch/arm/mach-shmobile/suspend.c @@ -0,0 +1,48 @@ +/* + * Suspend-to-RAM support code for SH-Mobile ARM + * + * Copyright (C) 2011 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/pm.h> +#include <linux/suspend.h> +#include <linux/module.h> +#include <linux/err.h> +#include <linux/cpu.h> + +#include <asm/io.h> +#include <asm/system_misc.h> + +static int shmobile_suspend_default_enter(suspend_state_t suspend_state) +{ + cpu_do_idle(); + return 0; +} + +static int shmobile_suspend_begin(suspend_state_t state) +{ + cpu_idle_poll_ctrl(true); + return 0; +} + +static void shmobile_suspend_end(void) +{ + cpu_idle_poll_ctrl(false); +} + +struct platform_suspend_ops shmobile_suspend_ops = { + .begin = shmobile_suspend_begin, + .end = shmobile_suspend_end, + .enter = shmobile_suspend_default_enter, + .valid = suspend_valid_only_mem, +}; + +int __init shmobile_suspend_init(void) +{ + suspend_set_ops(&shmobile_suspend_ops); + return 0; +} |