1 files changed, 7 insertions, 0 deletions

diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 8f15f70622a6..e309c8f35af5 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -1647,6 +1647,7 @@ int __init l2x0_of_init(u32 aux_val, u32 aux_mask)
         struct device_node *np;
         struct resource res;
         u32 cache_id, old_aux;
+        u32 cache_level = 2;
 
         np = of_find_matching_node(NULL, l2x0_ids);
         if (!np)
@@ -1679,6 +1680,12 @@ int __init l2x0_of_init(u32 aux_val, u32 aux_mask)
         if (!of_property_read_bool(np, "cache-unified"))
                 pr_err("L2C: device tree omits to specify unified cache\n");
 
+        if (of_property_read_u32(np, "cache-level", &cache_level))
+                pr_err("L2C: device tree omits to specify cache-level\n");
+
+        if (cache_level != 2)
+                pr_err("L2C: device tree specifies invalid cache level\n");
+
         /* Read back current (default) hardware configuration */
         if (data->save)
                 data->save(l2x0_base);