1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun /* Copyright(c) 2016 - 2018 Intel Corporation. All rights reserved. */ 3*4882a593Smuzhiyun #include <linux/percpu-refcount.h> 4*4882a593Smuzhiyun #include <linux/memremap.h> 5*4882a593Smuzhiyun #include <linux/module.h> 6*4882a593Smuzhiyun #include <linux/pfn_t.h> 7*4882a593Smuzhiyun #include <linux/nd.h> 8*4882a593Smuzhiyun #include "../bus.h" 9*4882a593Smuzhiyun dax_pmem_probe(struct device * dev)10*4882a593Smuzhiyunstatic int dax_pmem_probe(struct device *dev) 11*4882a593Smuzhiyun { 12*4882a593Smuzhiyun return PTR_ERR_OR_ZERO(__dax_pmem_probe(dev, DEV_DAX_BUS)); 13*4882a593Smuzhiyun } 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun static struct nd_device_driver dax_pmem_driver = { 16*4882a593Smuzhiyun .probe = dax_pmem_probe, 17*4882a593Smuzhiyun .drv = { 18*4882a593Smuzhiyun .name = "dax_pmem", 19*4882a593Smuzhiyun }, 20*4882a593Smuzhiyun .type = ND_DRIVER_DAX_PMEM, 21*4882a593Smuzhiyun }; 22*4882a593Smuzhiyun dax_pmem_init(void)23*4882a593Smuzhiyunstatic int __init dax_pmem_init(void) 24*4882a593Smuzhiyun { 25*4882a593Smuzhiyun return nd_driver_register(&dax_pmem_driver); 26*4882a593Smuzhiyun } 27*4882a593Smuzhiyun module_init(dax_pmem_init); 28*4882a593Smuzhiyun dax_pmem_exit(void)29*4882a593Smuzhiyunstatic void __exit dax_pmem_exit(void) 30*4882a593Smuzhiyun { 31*4882a593Smuzhiyun driver_unregister(&dax_pmem_driver.drv); 32*4882a593Smuzhiyun } 33*4882a593Smuzhiyun module_exit(dax_pmem_exit); 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun MODULE_LICENSE("GPL v2"); 36*4882a593Smuzhiyun MODULE_AUTHOR("Intel Corporation"); 37*4882a593Smuzhiyun #if !IS_ENABLED(CONFIG_DEV_DAX_PMEM_COMPAT) 38*4882a593Smuzhiyun /* For compat builds, don't load this module by default */ 39*4882a593Smuzhiyun MODULE_ALIAS_ND_DEVICE(ND_DEVICE_DAX_PMEM); 40*4882a593Smuzhiyun #endif 41