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riscv: Do not return error if reserved node already exists

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Not all errors are fatal. If a reserved memory node already exists in the
destination device tree, we can continue to boot without failing.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
This commit is contained in:
Atish Patra 2020-06-24 14:56:14 -07:00 committed by Andes
parent ba51269f75
commit 7eb4bcc3f4
1 changed files with 1 additions and 1 deletions
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2
arch/riscv/lib/fdt_fixup.c
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@ -74,7 +74,7 @@ int riscv_fdt_copy_resv_mem_node(const void *src, void *dst)
pmp_mem.end = addr + size - 1;
err = fdtdec_add_reserved_memory(dst, basename, &pmp_mem,
&phandle);
if (err < 0) {
if (err < 0 && err != -FDT_ERR_EXISTS) {
printf("failed to add reserved memory: %d\n", err);
return err;
}