/* * 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 <asm/arch/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);