drivers/mmc/core/sysfs.c

   1 /*
   2  *  linux/drivers/mmc/core/sysfs.c
   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  *  MMC sysfs/driver model support.
  12  */
  13 #include <linux/device.h>
  14
  15 #include <linux/mmc/card.h>
  16
  17 #include "sysfs.h"
  18
  19 int mmc_add_attrs(struct mmc_card *card, struct device_attribute *attrs)
  20 {
  21         int error = 0;
  22         int i;
  23
  24 #if 0   // add by Victor Yu. 12-02-2008
  25         device_add(&card->dev);
  26 #endif
  27         for (i = 0; attr_name(attrs[i]); i++) {
  28                 error = device_create_file(&card->dev, &attrs[i]);
  29                 if (error) {
  30                         while (--i >= 0)
  31                                 device_remove_file(&card->dev, &attrs[i]);
  32 #if 0   // add by VIctor Yu. 12-02-2008
  33                         device_del(&card->dev);
  34 #endif
  35                         break;
  36                 }
  37         }
  38
  39         return error;
  40 }
  41
  42 void mmc_remove_attrs(struct mmc_card *card, struct device_attribute *attrs)
  43 {
  44         int i;
  45
  46         for (i = 0; attr_name(attrs[i]); i++)
  47                 device_remove_file(&card->dev, &attrs[i]);
  48 #if 0   // add by Victor Yu. 12-02-2008
  49         device_del(&card->dev);
  50 #endif
  51 }
  52