original_kernel/drivers/mmc/core/sysfs.h

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/*
* linux/drivers/mmc/core/sysfs.h
*
* Copyright (C) 2003 Russell King, All Rights Reserved.
* Copyright 2007 Pierre Ossman
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _MMC_CORE_SYSFS_H
#define _MMC_CORE_SYSFS_H
#define MMC_ATTR_FN(name, fmt, args...) \
static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \
{ \
struct mmc_card *card = container_of(dev, struct mmc_card, dev);\
return sprintf(buf, fmt, args); \
}
#define MMC_ATTR_RO(name) __ATTR(name, S_IRUGO, mmc_##name##_show, NULL)
int mmc_add_attrs(struct mmc_card *card, struct device_attribute *attrs);
void mmc_remove_attrs(struct mmc_card *card, struct device_attribute *attrs);
#endif