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/*
* 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\n", dev_name,
oh_name);
retval = PTR_ERR(pdev);
}
return retval;
}
/* early board code might need to reserve specific hwspinlock instances */
postcore_initcall(hwspinlocks_init);
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