target/linux/ipq806x/patches/0052-arm-add-support-for-reserved-memory-defined-by-devic.patch

   1 From 95c831bca9181df62230171fd66286d08ea886a8 Mon Sep 17 00:00:00 2001
   2 From: Marek Szyprowski <m.szyprowski@samsung.com>
   3 Date: Fri, 28 Feb 2014 14:42:54 +0100
   4 Subject: [PATCH 052/182] arm: add support for reserved memory defined by
   5  device tree
   6
   7 Enable reserved memory initialization from device tree.
   8
   9 Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
  10 Signed-off-by: Grant Likely <grant.likely@linaro.org>
  11 ---
  12  arch/arm/Kconfig   |    1 +
  13  arch/arm/mm/init.c |    2 ++
  14  2 files changed, 3 insertions(+)
  15
  16 --- a/arch/arm/Kconfig
  17 +++ b/arch/arm/Kconfig
  18 @@ -1923,6 +1923,7 @@ config USE_OF
  19         select IRQ_DOMAIN
  20         select OF
  21         select OF_EARLY_FLATTREE
  22 +       select OF_RESERVED_MEM
  23         help
  24           Include support for flattened device tree machine descriptions.
  25
  26 --- a/arch/arm/mm/init.c
  27 +++ b/arch/arm/mm/init.c
  28 @@ -323,6 +323,8 @@ void __init arm_memblock_init(struct mem
  29         if (mdesc->reserve)
  30                 mdesc->reserve();
  31
  32 +       early_init_fdt_scan_reserved_mem();
  33 +
  34         /*
  35          * reserve memory for DMA contigouos allocations,
  36          * must come from DMA area inside low memory