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kernel/linux-imx6_3.14.28/drivers/pcmcia/rsrc_mgr.c 1.67 KB
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  /*
   * rsrc_mgr.c -- Resource management routines and/or wrappers
   *
   * 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.
   *
   * The initial developer of the original code is David A. Hinds
   * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
   * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
   *
   * (C) 1999		David A. Hinds
   */
  
  #include <linux/slab.h>
  #include <linux/module.h>
  #include <linux/kernel.h>
  
  #include <pcmcia/ss.h>
  #include <pcmcia/cistpl.h>
  #include "cs_internal.h"
  
  int static_init(struct pcmcia_socket *s)
  {
  	/* the good thing about SS_CAP_STATIC_MAP sockets is
  	 * that they don't need a resource database */
  
  	s->resource_setup_done = 1;
  
  	return 0;
  }
  
  struct resource *pcmcia_make_resource(unsigned long start, unsigned long end,
  				int flags, const char *name)
  {
  	struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL);
  
  	if (res) {
  		res->name = name;
  		res->start = start;
  		res->end = start + end - 1;
  		res->flags = flags;
  	}
  	return res;
  }
  
  static int static_find_io(struct pcmcia_socket *s, unsigned int attr,
  			unsigned int *base, unsigned int num,
  			unsigned int align, struct resource **parent)
  {
  	if (!s->io_offset)
  		return -EINVAL;
  	*base = s->io_offset | (*base & 0x0fff);
  	*parent = NULL;
  
  	return 0;
  }
  
  
  struct pccard_resource_ops pccard_static_ops = {
  	.validate_mem = NULL,
  	.find_io = static_find_io,
  	.find_mem = NULL,
  	.init = static_init,
  	.exit = NULL,
  };
  EXPORT_SYMBOL(pccard_static_ops);
  
  
  MODULE_AUTHOR("David A. Hinds, Dominik Brodowski");
  MODULE_LICENSE("GPL");
  MODULE_ALIAS("rsrc_nonstatic");