drivers/mmc/core/sysfs.h

   1 /*
   2  *  linux/drivers/mmc/core/sysfs.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_SYSFS_H
  12 #define _MMC_CORE_SYSFS_H
  13
  14 #define MMC_ATTR_FN(name, fmt, args...)                                 \
  15 static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \
  16 {                                                                       \
  17         struct mmc_card *card = container_of(dev, struct mmc_card, dev);\
  18         return sprintf(buf, fmt, args);                                 \
  19 }
  20
  21 #define MMC_ATTR_RO(name) __ATTR(name, S_IRUGO, mmc_##name##_show, NULL)
  22
  23 int mmc_add_attrs(struct mmc_card *card, struct device_attribute *attrs);
  24 void mmc_remove_attrs(struct mmc_card *card, struct device_attribute *attrs);
  25
  26 #endif