Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
at v4.17-rc3 45 lines 1.3 kB view raw
1/* 2 * linux/drivers/mmc/core/bus.h 3 * 4 * Copyright (C) 2003 Russell King, All Rights Reserved. 5 * Copyright 2007 Pierre Ossman 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11#ifndef _MMC_CORE_BUS_H 12#define _MMC_CORE_BUS_H 13 14#include <linux/device.h> 15 16struct mmc_host; 17struct mmc_card; 18 19#define MMC_DEV_ATTR(name, fmt, args...) \ 20static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \ 21{ \ 22 struct mmc_card *card = mmc_dev_to_card(dev); \ 23 return sprintf(buf, fmt, args); \ 24} \ 25static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL) 26 27struct mmc_card *mmc_alloc_card(struct mmc_host *host, 28 struct device_type *type); 29int mmc_add_card(struct mmc_card *card); 30void mmc_remove_card(struct mmc_card *card); 31 32int mmc_register_bus(void); 33void mmc_unregister_bus(void); 34 35struct mmc_driver { 36 struct device_driver drv; 37 int (*probe)(struct mmc_card *card); 38 void (*remove)(struct mmc_card *card); 39 void (*shutdown)(struct mmc_card *card); 40}; 41 42int mmc_register_driver(struct mmc_driver *drv); 43void mmc_unregister_driver(struct mmc_driver *drv); 44 45#endif