git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/arch/arm/mach-integrator/lm.c | |
| 3 | * | |
| 4 | * Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved. | |
| 5 | * | |
| 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. | |
| 9 | */ | |
| 10 | #include <linux/module.h> | |
| 11 | #include <linux/init.h> | |
| 12 | #include <linux/device.h> | |
| 4e57b681 | 13 | #include <linux/slab.h> |
| 1da177e4 LT |
14 | |
| 15 | #include <asm/arch/lm.h> | |
| 16 | ||
| 17 | #define to_lm_device(d) container_of(d, struct lm_device, dev) | |
| 18 | #define to_lm_driver(d) container_of(d, struct lm_driver, drv) | |
| 19 | ||
| 20 | static int lm_match(struct device *dev, struct device_driver *drv) | |
| 21 | { | |
| 22 | return 1; | |
| 23 | } | |
| 24 | ||
| 25 | static struct bus_type lm_bustype = { | |
| 26 | .name = "logicmodule", | |
| 27 | .match = lm_match, | |
| 28 | // .suspend = lm_suspend, | |
| 29 | // .resume = lm_resume, | |
| 30 | }; | |
| 31 | ||
| 32 | static int __init lm_init(void) | |
| 33 | { | |
| 34 | return bus_register(&lm_bustype); | |
| 35 | } | |
| 36 | ||
| 37 | postcore_initcall(lm_init); | |
| 38 | ||
| 39 | static int lm_bus_probe(struct device *dev) | |
| 40 | { | |
| 41 | struct lm_device *lmdev = to_lm_device(dev); | |
| 42 | struct lm_driver *lmdrv = to_lm_driver(dev->driver); | |
| 43 | ||
| 44 | return lmdrv->probe(lmdev); | |
| 45 | } | |
| 46 | ||
| 47 | static int lm_bus_remove(struct device *dev) | |
| 48 | { | |
| 49 | struct lm_device *lmdev = to_lm_device(dev); | |
| 50 | struct lm_driver *lmdrv = to_lm_driver(dev->driver); | |
| 51 | ||
| 52 | lmdrv->remove(lmdev); | |
| 53 | return 0; | |
| 54 | } | |
| 55 | ||
| 56 | int lm_driver_register(struct lm_driver *drv) | |
| 57 | { | |
| 58 | drv->drv.bus = &lm_bustype; | |
| 59 | drv->drv.probe = lm_bus_probe; | |
| 60 | drv->drv.remove = lm_bus_remove; | |
| 61 | ||
| 62 | return driver_register(&drv->drv); | |
| 63 | } | |
| 64 | ||
| 65 | void lm_driver_unregister(struct lm_driver *drv) | |
| 66 | { | |
| 67 | driver_unregister(&drv->drv); | |
| 68 | } | |
| 69 | ||
| 70 | static void lm_device_release(struct device *dev) | |
| 71 | { | |
| 72 | struct lm_device *d = to_lm_device(dev); | |
| 73 | ||
| 74 | kfree(d); | |
| 75 | } | |
| 76 | ||
| 77 | int lm_device_register(struct lm_device *dev) | |
| 78 | { | |
| 79 | int ret; | |
| 80 | ||
| 81 | dev->dev.release = lm_device_release; | |
| 82 | dev->dev.bus = &lm_bustype; | |
| 83 | ||
| 84 | snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id), "lm%d", dev->id); | |
| 85 | dev->resource.name = dev->dev.bus_id; | |
| 86 | ||
| 87 | ret = request_resource(&iomem_resource, &dev->resource); | |
| 88 | if (ret == 0) { | |
| 89 | ret = device_register(&dev->dev); | |
| 90 | if (ret) | |
| 91 | release_resource(&dev->resource); | |
| 92 | } | |
| 93 | return ret; | |
| 94 | } | |
| 95 | ||
| 96 | EXPORT_SYMBOL(lm_driver_register); | |
| 97 | EXPORT_SYMBOL(lm_driver_unregister); |