X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fof%2Fof_reserved_mem.c;h=be77e75c587db95c55a51e556f228f97810e051c;hb=8261bd48c6c9c36cd2c2e343a69e76a3be2b04a4;hp=62f467b8ccae940a931a2a08ce530a9a14f46a1f;hpb=5dfe5b2c714a5bea0908c1e00da0e8e00535f55c;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 62f467b8ccae..be77e75c587d 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -124,6 +124,10 @@ static int __init __reserved_mem_alloc_size(unsigned long node,
 		align = dt_mem_next_cell(dt_root_addr_cells, &prop);
 	}
 
+	/* Need adjust the alignment to satisfy the CMA requirement */
+	if (IS_ENABLED(CONFIG_CMA) && of_flat_dt_is_compatible(node, "shared-dma-pool"))
+		align = max(align, (phys_addr_t)PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order));
+
 	prop = of_get_flat_dt_prop(node, "alloc-ranges", &len);
 	if (prop) {
 
@@ -226,10 +230,9 @@ static void __init __rmem_check_for_overlap(void)
 
 			this_end = this->base + this->size;
 			next_end = next->base + next->size;
-			WARN(1,
-			     "Reserved memory: OVERLAP DETECTED!\n%s (%pa--%pa) overlaps with %s (%pa--%pa)\n",
-			     this->name, &this->base, &this_end,
-			     next->name, &next->base, &next_end);
+			pr_err("Reserved memory: OVERLAP DETECTED!\n%s (%pa--%pa) overlaps with %s (%pa--%pa)\n",
+			       this->name, &this->base, &this_end,
+			       next->name, &next->base, &next_end);
 		}
 	}
 }