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-rw-r--r--drivers/nvdimm/region_devs.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c
index e6d01911e092..a8e9d428c0a5 100644
--- a/drivers/nvdimm/region_devs.c
+++ b/drivers/nvdimm/region_devs.c
@@ -593,6 +593,13 @@ static umode_t region_visible(struct kobject *kobj, struct attribute *a, int n)
return 0;
}
+ if (a == &dev_attr_persistence_domain.attr) {
+ if ((nd_region->flags & (BIT(ND_REGION_PERSIST_CACHE)
+ | BIT(ND_REGION_PERSIST_MEMCTRL))) == 0)
+ return 0;
+ return a->mode;
+ }
+
if (a != &dev_attr_set_cookie.attr
&& a != &dev_attr_available_size.attr)
return a->mode;