2 * linux/arch/arm/mach-integrator/lm.c
4 * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 #include <linux/module.h>
11 #include <linux/init.h>
12 #include <linux/device.h>
14 #include <asm/arch/lm.h>
16 #define to_lm_device(d) container_of(d, struct lm_device, dev)
17 #define to_lm_driver(d) container_of(d, struct lm_driver, drv)
19 static int lm_match(struct device *dev, struct device_driver *drv)
24 static struct bus_type lm_bustype = {
25 .name = "logicmodule",
27 // .suspend = lm_suspend,
28 // .resume = lm_resume,
31 static int __init lm_init(void)
33 return bus_register(&lm_bustype);
36 postcore_initcall(lm_init);
38 static int lm_bus_probe(struct device *dev)
40 struct lm_device *lmdev = to_lm_device(dev);
41 struct lm_driver *lmdrv = to_lm_driver(dev->driver);
43 return lmdrv->probe(lmdev);
46 static int lm_bus_remove(struct device *dev)
48 struct lm_device *lmdev = to_lm_device(dev);
49 struct lm_driver *lmdrv = to_lm_driver(dev->driver);
55 int lm_driver_register(struct lm_driver *drv)
57 drv->drv.bus = &lm_bustype;
58 drv->drv.probe = lm_bus_probe;
59 drv->drv.remove = lm_bus_remove;
61 return driver_register(&drv->drv);
64 void lm_driver_unregister(struct lm_driver *drv)
66 driver_unregister(&drv->drv);
69 static void lm_device_release(struct device *dev)
71 struct lm_device *d = to_lm_device(dev);
76 int lm_device_register(struct lm_device *dev)
80 dev->dev.release = lm_device_release;
81 dev->dev.bus = &lm_bustype;
83 snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id), "lm%d", dev->id);
84 dev->resource.name = dev->dev.bus_id;
86 ret = request_resource(&iomem_resource, &dev->resource);
88 ret = device_register(&dev->dev);
90 release_resource(&dev->resource);
95 EXPORT_SYMBOL(lm_driver_register);
96 EXPORT_SYMBOL(lm_driver_unregister);