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path: root/drivers/nvdimm/region_devs.c
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Diffstat (limited to 'drivers/nvdimm/region_devs.c')
-rw-r--r--drivers/nvdimm/region_devs.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
index 37417ce5ec7b..de1ee5ebc851 100644
--- a/drivers/nvdimm/region_devs.c
+++ b/drivers/nvdimm/region_devs.c
@@ -1229,45 +1229,4 @@ bool is_nvdimm_sync(struct nd_region *nd_region)
}
EXPORT_SYMBOL_GPL(is_nvdimm_sync);
-struct conflict_context {
- struct nd_region *nd_region;
- resource_size_t start, size;
-};
-
-static int region_conflict(struct device *dev, void *data)
-{
- struct nd_region *nd_region;
- struct conflict_context *ctx = data;
- resource_size_t res_end, region_end, region_start;
-
- if (!is_memory(dev))
- return 0;
-
- nd_region = to_nd_region(dev);
- if (nd_region == ctx->nd_region)
- return 0;
-
- res_end = ctx->start + ctx->size;
- region_start = nd_region->ndr_start;
- region_end = region_start + nd_region->ndr_size;
- if (ctx->start >= region_start && ctx->start < region_end)
- return -EBUSY;
- if (res_end > region_start && res_end <= region_end)
- return -EBUSY;
- return 0;
-}
-
-int nd_region_conflict(struct nd_region *nd_region, resource_size_t start,
- resource_size_t size)
-{
- struct nvdimm_bus *nvdimm_bus = walk_to_nvdimm_bus(&nd_region->dev);
- struct conflict_context ctx = {
- .nd_region = nd_region,
- .start = start,
- .size = size,
- };
-
- return device_for_each_child(&nvdimm_bus->dev, &ctx, region_conflict);
-}
-
MODULE_IMPORT_NS("DEVMEM");