1 files changed, 0 insertions, 79 deletions
diff --git a/drivers/dax/pmem/core.c b/drivers/dax/pmem/core.c
deleted file mode 100644
index 062e8bc14223..000000000000
--- a/drivers/dax/pmem/core.c
+++ /dev/null
@@ -1,79 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2016 - 2018 Intel Corporation. All rights reserved. */
-#include <linux/memremap.h>
-#include <linux/module.h>
-#include <linux/pfn_t.h>
-#include "../../nvdimm/pfn.h"
-#include "../../nvdimm/nd.h"
-#include "../bus.h"
-
-struct dev_dax *__dax_pmem_probe(struct device *dev, enum dev_dax_subsys subsys)
-{
-	struct range range;
-	int rc, id, region_id;
-	resource_size_t offset;
-	struct nd_pfn_sb *pfn_sb;
-	struct dev_dax *dev_dax;
-	struct dev_dax_data data;
-	struct nd_namespace_io *nsio;
-	struct dax_region *dax_region;
-	struct dev_pagemap pgmap = { };
-	struct nd_namespace_common *ndns;
-	struct nd_dax *nd_dax = to_nd_dax(dev);
-	struct nd_pfn *nd_pfn = &nd_dax->nd_pfn;
-	struct nd_region *nd_region = to_nd_region(dev->parent);
-
-	ndns = nvdimm_namespace_common_probe(dev);
-	if (IS_ERR(ndns))
-		return ERR_CAST(ndns);
-
-	/* parse the 'pfn' info block via ->rw_bytes */
-	rc = devm_namespace_enable(dev, ndns, nd_info_block_reserve());
-	if (rc)
-		return ERR_PTR(rc);
-	rc = nvdimm_setup_pfn(nd_pfn, &pgmap);
-	if (rc)
-		return ERR_PTR(rc);
-	devm_namespace_disable(dev, ndns);
-
-	/* reserve the metadata area, device-dax will reserve the data */
-	pfn_sb = nd_pfn->pfn_sb;
-	offset = le64_to_cpu(pfn_sb->dataoff);
-	nsio = to_nd_namespace_io(&ndns->dev);
-	if (!devm_request_mem_region(dev, nsio->res.start, offset,
-				dev_name(&ndns->dev))) {
-		dev_warn(dev, "could not reserve metadata\n");
-		return ERR_PTR(-EBUSY);
-	}
-
-	rc = sscanf(dev_name(&ndns->dev), "namespace%d.%d", &region_id, &id);
-	if (rc != 2)
-		return ERR_PTR(-EINVAL);
-
-	/* adjust the dax_region range to the start of data */
-	range = pgmap.range;
-	range.start += offset;
-	dax_region = alloc_dax_region(dev, region_id, &range,
-			nd_region->target_node, le32_to_cpu(pfn_sb->align),
-			IORESOURCE_DAX_STATIC);
-	if (!dax_region)
-		return ERR_PTR(-ENOMEM);
-
-	data = (struct dev_dax_data) {
-		.dax_region = dax_region,
-		.id = id,
-		.pgmap = &pgmap,
-		.subsys = subsys,
-		.size = range_len(&range),
-	};
-	dev_dax = devm_create_dev_dax(&data);
-
-	/* child dev_dax instances now own the lifetime of the dax_region */
-	dax_region_put(dax_region);
-
-	return dev_dax;
-}
-EXPORT_SYMBOL_GPL(__dax_pmem_probe);
-
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Intel Corporation");