1 files changed, 17 insertions, 1 deletions

diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 941dfb9e9a78..9f0610243bd6 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -488,7 +488,7 @@ static void __init build_mem_type_table(void)
 #endif
 
         for (i = 0; i < 16; i++) {
-                unsigned long v = pgprot_val(protection_map[i]);
+                pteval_t v = pgprot_val(protection_map[i]);
                 protection_map[i] = __pgprot(v | user_pgprot);
         }
 
@@ -876,6 +876,22 @@ static void __init pci_reserve_io(void)
 #define pci_reserve_io() do { } while (0)
 #endif
 
+#ifdef CONFIG_DEBUG_LL
+void __init debug_ll_io_init(void)
+{
+        struct map_desc map;
+
+        debug_ll_addr(&map.pfn, &map.virtual);
+        if (!map.pfn || !map.virtual)
+                return;
+        map.pfn = __phys_to_pfn(map.pfn);
+        map.virtual &= PAGE_MASK;
+        map.length = PAGE_SIZE;
+        map.type = MT_DEVICE;
+        create_mapping(&map);
+}
+#endif
+
 static void * __initdata vmalloc_min =
         (void *)(VMALLOC_END - (240 << 20) - VMALLOC_OFFSET);