mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 12:30:55 +07:00
773a9ef85f
The ->reset() callback is needed to implement a better support for eMMC HW reset. The following changes will take advantage of the new callback. Suggested-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
|
|
* 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
|