The device tree support for arm is broken in
git://git.secretlab.ca/git/linux-2.6.git test-devtree.
due to not reserving the memory used by the device tree blob.The device tree
blob gets corrupted
as a result. The patch reserves the memblock used by device tree blob.
Signed-off-by: Shaju Abraham <shaju.abra...@linaro.org>
---
arch/arm/mm/init.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 018b76e..c03ceb9 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -310,6 +310,8 @@ void __init arm_memblock_init(struct meminfo *mi, struct
machine_desc *mdesc)
}
#endif
#ifdef CONFIG_OF_FLATTREE
+ if (phys_devtree_size)
+ memblock_reserve(phys_devtree_start, phys_devtree_size);
if (phys_initrd_size)
memblock_reserve(phys_initrd_start, phys_initrd_size);
#endif
--
1.7.2
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