zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/hwspinlock.c b/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/hwspinlock.c
new file mode 100644
index 0000000..454dfce
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/arch/arm/mach-omap2/hwspinlock.c
@@ -0,0 +1,60 @@
+/*
+ * 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);