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path: root/drivers/dax/pmem.c
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Diffstat (limited to 'drivers/dax/pmem.c')
-rw-r--r--drivers/dax/pmem.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/dax/pmem.c b/drivers/dax/pmem.c
index 033f49b31fdc..8d8c852ba8f2 100644
--- a/drivers/dax/pmem.c
+++ b/drivers/dax/pmem.c
@@ -16,7 +16,7 @@
#include <linux/pfn_t.h>
#include "../nvdimm/pfn.h"
#include "../nvdimm/nd.h"
-#include "dax.h"
+#include "device-dax.h"
struct dax_pmem {
struct device *dev;
@@ -43,6 +43,7 @@ static void dax_pmem_percpu_exit(void *data)
struct dax_pmem *dax_pmem = to_dax_pmem(ref);
dev_dbg(dax_pmem->dev, "%s\n", __func__);
+ wait_for_completion(&dax_pmem->cmp);
percpu_ref_exit(ref);
}
@@ -53,18 +54,16 @@ static void dax_pmem_percpu_kill(void *data)
dev_dbg(dax_pmem->dev, "%s\n", __func__);
percpu_ref_kill(ref);
- wait_for_completion(&dax_pmem->cmp);
}
static int dax_pmem_probe(struct device *dev)
{
- int rc;
void *addr;
struct resource res;
- struct dax_dev *dax_dev;
+ int rc, id, region_id;
struct nd_pfn_sb *pfn_sb;
+ struct dev_dax *dev_dax;
struct dax_pmem *dax_pmem;
- struct nd_region *nd_region;
struct nd_namespace_io *nsio;
struct dax_region *dax_region;
struct nd_namespace_common *ndns;
@@ -123,19 +122,22 @@ static int dax_pmem_probe(struct device *dev)
/* adjust the dax_region resource to the start of data */
res.start += le64_to_cpu(pfn_sb->dataoff);
- nd_region = to_nd_region(dev->parent);
- dax_region = alloc_dax_region(dev, nd_region->id, &res,
+ rc = sscanf(dev_name(&ndns->dev), "namespace%d.%d", &region_id, &id);
+ if (rc != 2)
+ return -EINVAL;
+
+ dax_region = alloc_dax_region(dev, region_id, &res,
le32_to_cpu(pfn_sb->align), addr, PFN_DEV|PFN_MAP);
if (!dax_region)
return -ENOMEM;
/* TODO: support for subdividing a dax region... */
- dax_dev = devm_create_dax_dev(dax_region, &res, 1);
+ dev_dax = devm_create_dev_dax(dax_region, id, &res, 1);
- /* child dax_dev instances now own the lifetime of the dax_region */
+ /* child dev_dax instances now own the lifetime of the dax_region */
dax_region_put(dax_region);
- return PTR_ERR_OR_ZERO(dax_dev);
+ return PTR_ERR_OR_ZERO(dev_dax);
}
static struct nd_device_driver dax_pmem_driver = {