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fdt: Properly handle "no-map" field in the memory region

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[ Upstream commit 86588296ac ]

Mark the memory region with NOMAP flag instead of completely removing it
from the memory blocks. That makes the FDT handling consistent with the EFI
memory map handling.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: KarimAllah Ahmed <karahmed@amazon.de>
Signed-off-by: Quentin Perret <qperret@google.com>
Link: https://lore.kernel.org/r/20210115114544.1830068-2-qperret@google.com
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
KarimAllah Ahmed
2021-01-15 11:45:43 +00:00
committed by Chris
parent b76837d41f
commit 3d854cb2b5
1 changed files with 1 additions and 1 deletions
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2
drivers/of/fdt.c
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@@ -1193,7 +1193,7 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
phys_addr_t size, bool nomap)
{
if (nomap)
return memblock_remove(base, size);
return memblock_mark_nomap(base, size);
return memblock_reserve(base, size);
}