/* * Copyright (C) 2014 Linaro Ltd * * Author: Ulf Hansson <ulf.hansson@linaro.org> * * License terms: GNU General Public License (GPL) version 2 */ #ifndef _MMC_CORE_PWRSEQ_H #define _MMC_CORE_PWRSEQ_H #include <linux/types.h> struct mmc_host; struct device; struct module; struct mmc_pwrseq_ops { void (*pre_power_on)(struct mmc_host *host); void (*post_power_on)(struct mmc_host *host); void (*power_off)(struct mmc_host *host); void (*reset)(struct mmc_host *host); }; struct mmc_pwrseq { const struct mmc_pwrseq_ops *ops; struct device *dev; struct list_head pwrseq_node; struct module *owner; }; #ifdef CONFIG_OF int mmc_pwrseq_register(struct mmc_pwrseq *pwrseq); void mmc_pwrseq_unregister(struct mmc_pwrseq *pwrseq); int mmc_pwrseq_alloc(struct mmc_host *host); void mmc_pwrseq_pre_power_on(struct mmc_host *host); void mmc_pwrseq_post_power_on(struct mmc_host *host); void mmc_pwrseq_power_off(struct mmc_host *host); void mmc_pwrseq_reset(struct mmc_host *host); void mmc_pwrseq_free(struct mmc_host *host); #else static inline int mmc_pwrseq_register(struct mmc_pwrseq *pwrseq) { return -ENOSYS; } static inline void mmc_pwrseq_unregister(struct mmc_pwrseq *pwrseq) {} static inline int mmc_pwrseq_alloc(struct mmc_host *host) { return 0; } static inline void mmc_pwrseq_pre_power_on(struct mmc_host *host) {} static inline void mmc_pwrseq_post_power_on(struct mmc_host *host) {} static inline void mmc_pwrseq_power_off(struct mmc_host *host) {} static inline void mmc_pwrseq_reset(struct mmc_host *host) {} static inline void mmc_pwrseq_free(struct mmc_host *host) {} #endif #endif