Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Kirti Wankhede |
156 |
70.91% |
1 |
12.50% |
| Jason Gunthorpe |
40 |
18.18% |
3 |
37.50% |
| Christoph Hellwig |
21 |
9.55% |
2 |
25.00% |
| Thomas Gleixner |
2 |
0.91% |
1 |
12.50% |
| Uwe Kleine-König |
1 |
0.45% |
1 |
12.50% |
| Total |
220 |
|
8 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* MDEV driver
*
* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
* Author: Neo Jia <cjia@nvidia.com>
* Kirti Wankhede <kwankhede@nvidia.com>
*/
#include <linux/iommu.h>
#include <linux/mdev.h>
#include "mdev_private.h"
static int mdev_probe(struct device *dev)
{
struct mdev_driver *drv =
container_of(dev->driver, struct mdev_driver, driver);
if (!drv->probe)
return 0;
return drv->probe(to_mdev_device(dev));
}
static void mdev_remove(struct device *dev)
{
struct mdev_driver *drv =
container_of(dev->driver, struct mdev_driver, driver);
if (drv->remove)
drv->remove(to_mdev_device(dev));
}
static int mdev_match(struct device *dev, struct device_driver *drv)
{
/*
* No drivers automatically match. Drivers are only bound by explicit
* device_driver_attach()
*/
return 0;
}
struct bus_type mdev_bus_type = {
.name = "mdev",
.probe = mdev_probe,
.remove = mdev_remove,
.match = mdev_match,
};
/**
* mdev_register_driver - register a new MDEV driver
* @drv: the driver to register
*
* Returns a negative value on error, otherwise 0.
**/
int mdev_register_driver(struct mdev_driver *drv)
{
if (!drv->device_api)
return -EINVAL;
/* initialize common driver fields */
drv->driver.bus = &mdev_bus_type;
return driver_register(&drv->driver);
}
EXPORT_SYMBOL(mdev_register_driver);
/*
* mdev_unregister_driver - unregister MDEV driver
* @drv: the driver to unregister
*/
void mdev_unregister_driver(struct mdev_driver *drv)
{
driver_unregister(&drv->driver);
}
EXPORT_SYMBOL(mdev_unregister_driver);