100 строки
2.1 KiB
C
100 строки
2.1 KiB
C
/*
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* linux/arch/arm/mach-integrator/lm.c
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*
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* Copyright (C) 2003 Deep Blue Solutions Ltd, All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/slab.h>
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#include "lm.h"
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#define to_lm_device(d) container_of(d, struct lm_device, dev)
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#define to_lm_driver(d) container_of(d, struct lm_driver, drv)
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static int lm_match(struct device *dev, struct device_driver *drv)
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{
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return 1;
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}
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static int lm_bus_probe(struct device *dev)
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{
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struct lm_device *lmdev = to_lm_device(dev);
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struct lm_driver *lmdrv = to_lm_driver(dev->driver);
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return lmdrv->probe(lmdev);
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}
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static int lm_bus_remove(struct device *dev)
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{
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struct lm_device *lmdev = to_lm_device(dev);
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struct lm_driver *lmdrv = to_lm_driver(dev->driver);
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if (lmdrv->remove)
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lmdrv->remove(lmdev);
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return 0;
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}
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static struct bus_type lm_bustype = {
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.name = "logicmodule",
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.match = lm_match,
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.probe = lm_bus_probe,
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.remove = lm_bus_remove,
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// .suspend = lm_bus_suspend,
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// .resume = lm_bus_resume,
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};
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static int __init lm_init(void)
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{
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return bus_register(&lm_bustype);
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}
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postcore_initcall(lm_init);
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int lm_driver_register(struct lm_driver *drv)
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{
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drv->drv.bus = &lm_bustype;
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return driver_register(&drv->drv);
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}
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void lm_driver_unregister(struct lm_driver *drv)
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{
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driver_unregister(&drv->drv);
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}
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static void lm_device_release(struct device *dev)
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{
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struct lm_device *d = to_lm_device(dev);
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kfree(d);
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}
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int lm_device_register(struct lm_device *dev)
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{
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int ret;
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dev->dev.release = lm_device_release;
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dev->dev.bus = &lm_bustype;
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ret = dev_set_name(&dev->dev, "lm%d", dev->id);
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if (ret)
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return ret;
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dev->resource.name = dev_name(&dev->dev);
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ret = request_resource(&iomem_resource, &dev->resource);
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if (ret == 0) {
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ret = device_register(&dev->dev);
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if (ret)
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release_resource(&dev->resource);
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}
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return ret;
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}
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EXPORT_SYMBOL(lm_driver_register);
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EXPORT_SYMBOL(lm_driver_unregister);
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