| /* |
| * 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 "omap_hwmod.h" |
| #include "omap_device.h" |
| |
| static struct hwspinlock_pdata omap_hwspinlock_pdata __initdata = { |
| .base_id = 0, |
| }; |
| |
| static 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); |