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-rw-r--r--drivers/dax/pmem/Makefile1
-rw-r--r--drivers/dax/pmem/compat.c72
-rw-r--r--drivers/dax/pmem/core.c79
-rw-r--r--drivers/dax/pmem/pmem.c30
4 files changed, 0 insertions, 182 deletions
diff --git a/drivers/dax/pmem/Makefile b/drivers/dax/pmem/Makefile
index 010269f61d41..191c31f0d4f0 100644
--- a/drivers/dax/pmem/Makefile
+++ b/drivers/dax/pmem/Makefile
@@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_DEV_DAX_PMEM) += dax_pmem.o
obj-$(CONFIG_DEV_DAX_PMEM) += dax_pmem_core.o
-obj-$(CONFIG_DEV_DAX_PMEM_COMPAT) += dax_pmem_compat.o
dax_pmem-y := pmem.o
dax_pmem_core-y := core.o
diff --git a/drivers/dax/pmem/compat.c b/drivers/dax/pmem/compat.c
deleted file mode 100644
index d81dc35fd65d..000000000000
--- a/drivers/dax/pmem/compat.c
+++ /dev/null
@@ -1,72 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2016 - 2018 Intel Corporation. All rights reserved. */
-#include <linux/percpu-refcount.h>
-#include <linux/memremap.h>
-#include <linux/module.h>
-#include <linux/pfn_t.h>
-#include <linux/nd.h>
-#include "../bus.h"
-
-/* we need the private definitions to implement compat suport */
-#include "../dax-private.h"
-
-static int dax_pmem_compat_probe(struct device *dev)
-{
- struct dev_dax *dev_dax = __dax_pmem_probe(dev, DEV_DAX_CLASS);
- int rc;
-
- if (IS_ERR(dev_dax))
- return PTR_ERR(dev_dax);
-
- if (!devres_open_group(&dev_dax->dev, dev_dax, GFP_KERNEL))
- return -ENOMEM;
-
- device_lock(&dev_dax->dev);
- rc = dev_dax_probe(dev_dax);
- device_unlock(&dev_dax->dev);
-
- devres_close_group(&dev_dax->dev, dev_dax);
- if (rc)
- devres_release_group(&dev_dax->dev, dev_dax);
-
- return rc;
-}
-
-static int dax_pmem_compat_release(struct device *dev, void *data)
-{
- device_lock(dev);
- devres_release_group(dev, to_dev_dax(dev));
- device_unlock(dev);
-
- return 0;
-}
-
-static void dax_pmem_compat_remove(struct device *dev)
-{
- device_for_each_child(dev, NULL, dax_pmem_compat_release);
-}
-
-static struct nd_device_driver dax_pmem_compat_driver = {
- .probe = dax_pmem_compat_probe,
- .remove = dax_pmem_compat_remove,
- .drv = {
- .name = "dax_pmem_compat",
- },
- .type = ND_DRIVER_DAX_PMEM,
-};
-
-static int __init dax_pmem_compat_init(void)
-{
- return nd_driver_register(&dax_pmem_compat_driver);
-}
-module_init(dax_pmem_compat_init);
-
-static void __exit dax_pmem_compat_exit(void)
-{
- driver_unregister(&dax_pmem_compat_driver.drv);
-}
-module_exit(dax_pmem_compat_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Intel Corporation");
-MODULE_ALIAS_ND_DEVICE(ND_DEVICE_DAX_PMEM);
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");
diff --git a/drivers/dax/pmem/pmem.c b/drivers/dax/pmem/pmem.c
index 0ae4238a0ef8..dfe91a2990fe 100644
--- a/drivers/dax/pmem/pmem.c
+++ b/drivers/dax/pmem/pmem.c
@@ -7,34 +7,4 @@
#include <linux/nd.h>
#include "../bus.h"
-static int dax_pmem_probe(struct device *dev)
-{
- return PTR_ERR_OR_ZERO(__dax_pmem_probe(dev, DEV_DAX_BUS));
-}
-static struct nd_device_driver dax_pmem_driver = {
- .probe = dax_pmem_probe,
- .drv = {
- .name = "dax_pmem",
- },
- .type = ND_DRIVER_DAX_PMEM,
-};
-
-static int __init dax_pmem_init(void)
-{
- return nd_driver_register(&dax_pmem_driver);
-}
-module_init(dax_pmem_init);
-
-static void __exit dax_pmem_exit(void)
-{
- driver_unregister(&dax_pmem_driver.drv);
-}
-module_exit(dax_pmem_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_AUTHOR("Intel Corporation");
-#if !IS_ENABLED(CONFIG_DEV_DAX_PMEM_COMPAT)
-/* For compat builds, don't load this module by default */
-MODULE_ALIAS_ND_DEVICE(ND_DEVICE_DAX_PMEM);
-#endif