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-rw-r--r--kernel/arch/arm/mach-integrator/lm.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-integrator/lm.c b/kernel/arch/arm/mach-integrator/lm.c
new file mode 100644
index 000000000..3f9e9f043
--- /dev/null
+++ b/kernel/arch/arm/mach-integrator/lm.c
@@ -0,0 +1,99 @@
+/*
+ * linux/arch/arm/mach-integrator/lm.c
+ *
+ * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
+ *
+ * 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.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/slab.h>
+
+#include "lm.h"
+
+#define to_lm_device(d) container_of(d, struct lm_device, dev)
+#define to_lm_driver(d) container_of(d, struct lm_driver, drv)
+
+static int lm_match(struct device *dev, struct device_driver *drv)
+{
+ return 1;
+}
+
+static int lm_bus_probe(struct device *dev)
+{
+ struct lm_device *lmdev = to_lm_device(dev);
+ struct lm_driver *lmdrv = to_lm_driver(dev->driver);
+
+ return lmdrv->probe(lmdev);
+}
+
+static int lm_bus_remove(struct device *dev)
+{
+ struct lm_device *lmdev = to_lm_device(dev);
+ struct lm_driver *lmdrv = to_lm_driver(dev->driver);
+
+ if (lmdrv->remove)
+ lmdrv->remove(lmdev);
+ return 0;
+}
+
+static struct bus_type lm_bustype = {
+ .name = "logicmodule",
+ .match = lm_match,
+ .probe = lm_bus_probe,
+ .remove = lm_bus_remove,
+// .suspend = lm_bus_suspend,
+// .resume = lm_bus_resume,
+};
+
+static int __init lm_init(void)
+{
+ return bus_register(&lm_bustype);
+}
+
+postcore_initcall(lm_init);
+
+int lm_driver_register(struct lm_driver *drv)
+{
+ drv->drv.bus = &lm_bustype;
+ return driver_register(&drv->drv);
+}
+
+void lm_driver_unregister(struct lm_driver *drv)
+{
+ driver_unregister(&drv->drv);
+}
+
+static void lm_device_release(struct device *dev)
+{
+ struct lm_device *d = to_lm_device(dev);
+
+ kfree(d);
+}
+
+int lm_device_register(struct lm_device *dev)
+{
+ int ret;
+
+ dev->dev.release = lm_device_release;
+ dev->dev.bus = &lm_bustype;
+
+ ret = dev_set_name(&dev->dev, "lm%d", dev->id);
+ if (ret)
+ return ret;
+ dev->resource.name = dev_name(&dev->dev);
+
+ ret = request_resource(&iomem_resource, &dev->resource);
+ if (ret == 0) {
+ ret = device_register(&dev->dev);
+ if (ret)
+ release_resource(&dev->resource);
+ }
+ return ret;
+}
+
+EXPORT_SYMBOL(lm_driver_register);
+EXPORT_SYMBOL(lm_driver_unregister);