Merge tag 'highbank-debugll-cleanup' of git://sources.calxeda.com/kernel/linux into next/soc

From Rob Herring:
Use common debug_ll_init function and remove the static mapping code
from mach-highbank.

* tag 'highbank-debugll-cleanup' of git://sources.calxeda.com/kernel/linux:
  ARM: highbank: use common debug_ll_io_init
  ARM: implement debug_ll_io_init()

1 files changed, 16 insertions, 0 deletions

diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 941dfb9e9a78..39719bb93caa 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -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);