From patchwork Wed Jun 24 21:56:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Atish Patra X-Patchwork-Id: 242901 List-Id: U-Boot discussion From: atish.patra at wdc.com (Atish Patra) Date: Wed, 24 Jun 2020 14:56:14 -0700 Subject: [PATCH v3 1/2] riscv: Do not return error if reserved node already exists In-Reply-To: <20200624215615.19256-1-atish.patra@wdc.com> References: <20200624215615.19256-1-atish.patra@wdc.com> Message-ID: <20200624215615.19256-2-atish.patra@wdc.com> 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 Reviewed-by: Bin Meng --- arch/riscv/lib/fdt_fixup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/lib/fdt_fixup.c b/arch/riscv/lib/fdt_fixup.c index 6db48ad04a56..05ca41b49dda 100644 --- a/arch/riscv/lib/fdt_fixup.c +++ b/arch/riscv/lib/fdt_fixup.c @@ -62,7 +62,7 @@ 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; }