/*
   * OMAP hardware spinlock device initialization
   *
   * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com
   *
   * Contact: Simon Que <sque@ti.com>
   *          Hari Kanigeri <h-kanigeri2@ti.com>
   *
   * 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.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   */
  
  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/err.h>

  #include <linux/hwspinlock.h>

  
  #include <plat/omap_hwmod.h>
  #include <plat/omap_device.h>

  static struct hwspinlock_pdata omap_hwspinlock_pdata __initdata = {
  	.base_id = 0,
  };

  int __init hwspinlocks_init(void)
  {
  	int retval = 0;
  	struct omap_hwmod *oh;

  	struct platform_device *pdev;

  	const char *oh_name = "spinlock";
  	const char *dev_name = "omap_hwspinlock";
  
  	/*
  	 * Hwmod lookup will fail in case our platform doesn't support the
  	 * hardware spinlock module, so it is safe to run this initcall
  	 * on all omaps
  	 */
  	oh = omap_hwmod_lookup(oh_name);
  	if (oh == NULL)
  		return -EINVAL;

  	pdev = omap_device_build(dev_name, 0, oh, &omap_hwspinlock_pdata,

  				sizeof(struct hwspinlock_pdata),

  				NULL, 0, false);

  	if (IS_ERR(pdev)) {

  		pr_err("Can't build omap_device for %s:%s
  ", dev_name,
  								oh_name);

  		retval = PTR_ERR(pdev);

  	}
  
  	return retval;
  }
  /* early board code might need to reserve specific hwspinlock instances */
  postcore_initcall(hwspinlocks_init);