linux-stable/drivers/mmc/core/pwrseq.h
Thomas Gleixner af873fcece treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
Based on 1 normalized pattern(s):

  license terms gnu general public license gpl version 2

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 161 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170027.447718015@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:29:22 -07:00

59 lines
1.6 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2014 Linaro Ltd
*
* Author: Ulf Hansson <ulf.hansson@linaro.org>
*/
#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