| /* |
| * Copyright (c) 2015, Christoph Hellwig. |
| * Copyright (c) 2015, Intel Corporation. |
| */ |
| #include <linux/platform_device.h> |
| #include <linux/module.h> |
| #include <linux/ioport.h> |
| |
| static int found(u64 start, u64 end, void *data) |
| { |
| return 1; |
| } |
| |
| static __init int register_e820_pmem(void) |
| { |
| char *pmem = "Persistent Memory (legacy)"; |
| struct platform_device *pdev; |
| int rc; |
| |
| rc = walk_iomem_res(pmem, IORESOURCE_MEM, 0, -1, NULL, found); |
| if (rc <= 0) |
| return 0; |
| |
| /* |
| * See drivers/nvdimm/e820.c for the implementation, this is |
| * simply here to trigger the module to load on demand. |
| */ |
| pdev = platform_device_alloc("e820_pmem", -1); |
| return platform_device_add(pdev); |
| } |
| device_initcall(register_e820_pmem); |
