Messages in this thread Patch in this message | | | From | Michal Simek <> | Subject | [PATCH 2/2] microblaze: Add support for reserved memory defined by DT | Date | Fri, 25 Feb 2022 14:17:31 +0100 |
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In DT reserved memory nodes can be added as is described by Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt but Microblaze didn't have a support for it. The similar change was done for ARC by commit 1b10cb21d888 ("ARC: add support for reserved memory defined by device tree"). It is pretty much enough to call early_init_fdt_scan_reserved_mem(). Microblaze is not using initial_boot_params that's why there is no need to call early_init_fdt_reserve_self().
Signed-off-by: Michal Simek <michal.simek@xilinx.com> ---
arch/microblaze/mm/init.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index de0d8b03af21..f4e503461d24 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/mm.h> /* mem_init */ #include <linux/initrd.h> +#include <linux/of_fdt.h> #include <linux/pagemap.h> #include <linux/pfn.h> #include <linux/slab.h> @@ -261,6 +262,8 @@ asmlinkage void __init mmu_init(void) parse_early_param(); + early_init_fdt_scan_reserved_mem(); + /* CMA initialization */ dma_contiguous_reserve(memory_start + lowmem_size - 1); -- 2.35.1
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