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path: root/drivers/nvdimm/claim.c
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Diffstat (limited to 'drivers/nvdimm/claim.c')
-rw-r--r--drivers/nvdimm/claim.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
index 2985ca949912..45964acba944 100644
--- a/drivers/nvdimm/claim.c
+++ b/drivers/nvdimm/claim.c
@@ -300,13 +300,14 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns,
return rc;
}
-int devm_nsio_enable(struct device *dev, struct nd_namespace_io *nsio)
+int devm_nsio_enable(struct device *dev, struct nd_namespace_io *nsio,
+ resource_size_t size)
{
struct resource *res = &nsio->res;
struct nd_namespace_common *ndns = &nsio->common;
- nsio->size = resource_size(res);
- if (!devm_request_mem_region(dev, res->start, resource_size(res),
+ nsio->size = size;
+ if (!devm_request_mem_region(dev, res->start, size,
dev_name(&ndns->dev))) {
dev_warn(dev, "could not reserve region %pR\n", res);
return -EBUSY;
@@ -318,12 +319,10 @@ int devm_nsio_enable(struct device *dev, struct nd_namespace_io *nsio)
nvdimm_badblocks_populate(to_nd_region(ndns->dev.parent), &nsio->bb,
&nsio->res);
- nsio->addr = devm_memremap(dev, res->start, resource_size(res),
- ARCH_MEMREMAP_PMEM);
+ nsio->addr = devm_memremap(dev, res->start, size, ARCH_MEMREMAP_PMEM);
return PTR_ERR_OR_ZERO(nsio->addr);
}
-EXPORT_SYMBOL_GPL(devm_nsio_enable);
void devm_nsio_disable(struct device *dev, struct nd_namespace_io *nsio)
{
@@ -331,6 +330,5 @@ void devm_nsio_disable(struct device *dev, struct nd_namespace_io *nsio)
devm_memunmap(dev, nsio->addr);
devm_exit_badblocks(dev, &nsio->bb);
- devm_release_mem_region(dev, res->start, resource_size(res));
+ devm_release_mem_region(dev, res->start, nsio->size);
}
-EXPORT_SYMBOL_GPL(devm_nsio_disable);