1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index ed01c0172e4a..ed7e681efcf0 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -127,7 +127,10 @@ static int __init __reserved_mem_alloc_size(unsigned long node,
         }
 
         /* Need adjust the alignment to satisfy the CMA requirement */
-        if (IS_ENABLED(CONFIG_CMA) && of_flat_dt_is_compatible(node, "shared-dma-pool"))
+        if (IS_ENABLED(CONFIG_CMA)
+            && of_flat_dt_is_compatible(node, "shared-dma-pool")
+            && of_get_flat_dt_prop(node, "reusable", NULL)
+            && !of_get_flat_dt_prop(node, "no-map", NULL))
                 align = max(align, (phys_addr_t)PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order));
 
         prop = of_get_flat_dt_prop(node, "alloc-ranges", &len);