97 lines
2.0 KiB
C
97 lines
2.0 KiB
C
|
/*
|
||
|
|
* 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 <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 struct bus_type lm_bustype = {
|
||
|
|
.name = "logicmodule",
|
||
|
|
.match = lm_match,
|
||
|
|
// .suspend = lm_suspend,
|
||
|
|
// .resume = lm_resume,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init lm_init(void)
|
||
|
|
{
|
||
|
|
return bus_register(&lm_bustype);
|
||
|
|
}
|
||
|
|
|
||
|
|
postcore_initcall(lm_init);
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
lmdrv->remove(lmdev);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int lm_driver_register(struct lm_driver *drv)
|
||
|
|
{
|
||
|
|
drv->drv.bus = &lm_bustype;
|
||
|
|
drv->drv.probe = lm_bus_probe;
|
||
|
|
drv->drv.remove = lm_bus_remove;
|
||
|
|
|
||
|
|
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;
|
||
|
|
|
||
|
|
snprintf(dev->dev.bus_id, sizeof(dev->dev.bus_id), "lm%d", dev->id);
|
||
|
|
dev->resource.name = dev->dev.bus_id;
|
||
|
|
|
||
|
|
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);
|