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Diffstat (limited to 'arch/arm/mach-s3c/pm-common.h')
-rw-r--r-- | arch/arm/mach-s3c/pm-common.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/pm-common.h b/arch/arm/mach-s3c/pm-common.h new file mode 100644 index 000000000..18b9607e1 --- /dev/null +++ b/arch/arm/mach-s3c/pm-common.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2013 Samsung Electronics Co., Ltd. + * Tomasz Figa <t.figa@samsung.com> + * Copyright (c) 2004 Simtec Electronics + * http://armlinux.simtec.co.uk/ + * Written by Ben Dooks, <ben@simtec.co.uk> + */ + +#ifndef __PLAT_SAMSUNG_PM_COMMON_H +#define __PLAT_SAMSUNG_PM_COMMON_H __FILE__ + +#include <linux/irq.h> +#include <linux/soc/samsung/s3c-pm.h> + +/* sleep save info */ + +/** + * struct sleep_save - save information for shared peripherals. + * @reg: Pointer to the register to save. + * @val: Holder for the value saved from reg. + * + * This describes a list of registers which is used by the pm core and + * other subsystem to save and restore register values over suspend. + */ +struct sleep_save { + void __iomem *reg; + unsigned long val; +}; + +#define SAVE_ITEM(x) \ + { .reg = (x) } + +/* helper functions to save/restore lists of registers. */ + +extern void s3c_pm_do_save(struct sleep_save *ptr, int count); +extern void s3c_pm_do_restore(const struct sleep_save *ptr, int count); +extern void s3c_pm_do_restore_core(const struct sleep_save *ptr, int count); + +#endif |