[PATCH v4 6/7] arm64: add support for reserved memory defined by device tree

[Marek Szyprowski]

Enable reserved memory initialization from device tree.

Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
---
 arch/arm64/Kconfig   |    1 +
 arch/arm64/mm/init.c |    2 ++
 2 files changed, 3 insertions(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 27bbcfc7202a..6abf15407dca 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -43,6 +43,7 @@ config ARM64
        select NO_BOOTMEM
        select OF
        select OF_EARLY_FLATTREE
+       select OF_RESERVED_MEM
        select PERF_USE_VMALLOC
        select POWER_RESET
        select POWER_SUPPLY
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index d0b4c2efda90..447550d6bd9b 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -30,6 +30,7 @@
 #include <linux/memblock.h>
 #include <linux/sort.h>
 #include <linux/of_fdt.h>
+#include <linux/of_reserved_mem.h>
 #include <linux/dma-contiguous.h>
 
 #include <asm/sections.h>
@@ -160,6 +161,7 @@ void __init arm64_memblock_init(void)
                memblock_reserve(base, size);
        }
 
+       early_init_fdt_scan_reserved_mem();
        dma_contiguous_reserve(0);
 
        memblock_allow_resize();
-- 
1.7.9.5

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