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 10 static int dax_pmem_probe(struct device *dev) 11 { 12 return PTR_ERR_OR_ZERO(__dax_pmem_probe(dev, DEV_DAX_BUS)); 13 } 14 15 static 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 23 static int __init dax_pmem_init(void) 24 { 25 return nd_driver_register(&dax_pmem_driver); 26 } 27 module_init(dax_pmem_init); 28 29 static void __exit dax_pmem_exit(void) 30 { 31 driver_unregister(&dax_pmem_driver.drv); 32 } 33 module_exit(dax_pmem_exit); 34 35 MODULE_LICENSE("GPL v2"); 36 MODULE_AUTHOR("Intel Corporation"); 37 #if !IS_ENABLED(CONFIG_DEV_DAX_PMEM_COMPAT) 38 /* For compat builds, don't load this module by default */ 39 MODULE_ALIAS_ND_DEVICE(ND_DEVICE_DAX_PMEM); 40 #endif 41