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Commit 3d122c03 authored by Marek Szyprowski's avatar Marek Szyprowski Committed by Joonwoo Park
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arm: add support for reserved memory defined by device tree 



Enable reserved memory initialization from device tree.

Signed-off-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarGrant Likely <grant.likely@linaro.org>
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Git-commit: bcedb5f9bd74662968fc1b4cb22f24abb4b7723d
Signed-off-by: default avatarJoonwoo Park <joonwoop@codeaurora.org>
parent 9b9cb846

arch/arm/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -1935,6 +1935,7 @@ config USE_OF 
	select IRQ_DOMAIN

	select OF

	select OF_EARLY_FLATTREE

	select OF_RESERVED_MEM

	help

	  Include support for flattened device tree machine descriptions.

arch/arm/mm/init.c

+2 −0
Original line number Diff line number Diff line
@@ -397,6 +397,8 @@ void __init arm_memblock_init(const struct machine_desc *mdesc) 
	if (mdesc->reserve)

		mdesc->reserve();



	early_init_fdt_scan_reserved_mem();



	/*

	 * reserve memory for DMA contigouos allocations,

	 * must come from DMA area inside low memory