LXR linux/drivers/dax/pmem/pmem.c

   1// SPDX-License-Identifier: GPL-2.0
   2/* Copyright(c) 2016 - 2018 Intel Corporation. All rights reserved. */
   3#include <linux/percpu-refcount.h>
   4#include <linux/memremap.h>
   5#include <linux/module.h>
   6#include <linux/pfn_t.h>
   7#include <linux/nd.h>
   8#include "../bus.h"
   9
  10static int dax_pmem_probe(struct device *dev)
  11{
  12        return PTR_ERR_OR_ZERO(__dax_pmem_probe(dev, DEV_DAX_BUS));
  13}
  14
  15static struct nd_device_driver dax_pmem_driver = {
  16        .probe = dax_pmem_probe,
  17        .drv = {
  18                .name = "dax_pmem",
  19        },
  20        .type = ND_DRIVER_DAX_PMEM,
  21};
  22
  23static int __init dax_pmem_init(void)
  24{
  25        return nd_driver_register(&dax_pmem_driver);
  26}
  27module_init(dax_pmem_init);
  28
  29static void __exit dax_pmem_exit(void)
  30{
  31        driver_unregister(&dax_pmem_driver.drv);
  32}
  33module_exit(dax_pmem_exit);
  34
  35MODULE_LICENSE("GPL v2");
  36MODULE_AUTHOR("Intel Corporation");
  37#if !IS_ENABLED(CONFIG_DEV_DAX_PMEM_COMPAT)
  38/* For compat builds, don't load this module by default */
  39MODULE_ALIAS_ND_DEVICE(ND_DEVICE_DAX_PMEM);
  40#endif
  41