target/linux/lantiq/patches-3.7/0001-MIPS-lantiq-unbreak-devicetree-init.patch

   1 From a15d129a352e5f6ab821b81bc3f692ecc952a815 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Fri, 9 Nov 2012 12:09:57 +0100
   4 Subject: [PATCH 1/6] MIPS: lantiq: unbreak devicetree init
   5
   6 The bootmem was incorrectly freed resulting in lots of dangling pointers.
   7 Additionally we should use of_platform_populate() as the Documentaion tells us
   8 to do so.
   9
  10 Signed-off-by: John Crispin <blogic@openwrt.org>
  11 Patchwork: http://patchwork.linux-mips.org/patch/4518
  12 ---
  13  arch/mips/lantiq/prom.c |    5 +----
  14  1 file changed, 1 insertion(+), 4 deletions(-)
  15
  16 --- a/arch/mips/lantiq/prom.c
  17 +++ b/arch/mips/lantiq/prom.c
  18 @@ -87,9 +87,6 @@ void __init device_tree_init(void)
  19         reserve_bootmem(base, size, BOOTMEM_DEFAULT);
  20
  21         unflatten_device_tree();
  22 -
  23 -       /* free the space reserved for the dt blob */
  24 -       free_bootmem(base, size);
  25  }
  26
  27  void __init prom_init(void)
  28 @@ -119,7 +116,7 @@ int __init plat_of_setup(void)
  29                 sizeof(of_ids[0].compatible));
  30         strncpy(of_ids[1].compatible, "simple-bus",
  31                 sizeof(of_ids[1].compatible));
  32 -       return of_platform_bus_probe(NULL, of_ids, NULL);
  33 +       return of_platform_populate(NULL, of_ids, NULL, NULL);
  34  }
  35
  36  arch_initcall(plat_of_setup);