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32 lines
748 B
32 lines
748 B
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (c) 2015, Christoph Hellwig. |
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* Copyright (c) 2015, Intel Corporation. |
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*/ |
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#include <linux/platform_device.h> |
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#include <linux/init.h> |
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#include <linux/ioport.h> |
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static int found(struct resource *res, void *data) |
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{ |
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return 1; |
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} |
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static __init int register_e820_pmem(void) |
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{ |
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struct platform_device *pdev; |
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int rc; |
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rc = walk_iomem_res_desc(IORES_DESC_PERSISTENT_MEMORY_LEGACY, |
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IORESOURCE_MEM, 0, -1, NULL, found); |
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if (rc <= 0) |
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return 0; |
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/* |
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* See drivers/nvdimm/e820.c for the implementation, this is |
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* simply here to trigger the module to load on demand. |
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*/ |
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pdev = platform_device_alloc("e820_pmem", -1); |
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return platform_device_add(pdev); |
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} |
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device_initcall(register_e820_pmem);
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