bus.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/drivers/mmc/core/bus.h
*
* Copyright (C) 2003 Russell King, All Rights Reserved.
* Copyright 2007 Pierre Ossman
*/
#ifndef _MMC_CORE_BUS_H
#define _MMC_CORE_BUS_H
#include <linux/device.h>
#include <linux/sysfs.h>
struct mmc_host;
struct mmc_card;
#define MMC_DEV_ATTR(name, fmt, args...) \
static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
struct mmc_card *card = mmc_dev_to_card(dev); \
return sysfs_emit(buf, fmt, args); \
} \
static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL)
struct mmc_card *mmc_alloc_card(struct mmc_host *host,
struct device_type *type);
int mmc_add_card(struct mmc_card *card);
void mmc_remove_card(struct mmc_card *card);
int mmc_register_bus(void);
void mmc_unregister_bus(void);
struct mmc_driver {
struct device_driver drv;
int (*probe)(struct mmc_card *card);
void (*remove)(struct mmc_card *card);
void (*shutdown)(struct mmc_card *card);
};
int mmc_register_driver(struct mmc_driver *drv);
void mmc_unregister_driver(struct mmc_driver *drv);
#endif