of/fdt: move elfcorehdr reservation early for crash dump kernel

elfcorehdr_addr is fixed address passed to Second kernel which may be conflicted
with potential reserved memory in Second kernel,so fdt_reserve_elfcorehdr() ahead
of fdt_init_reserved_mem() can relieve this situation.

Signed-off-by: Nikhil Gupta <nikhil.gupta@nxp.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220128042321.15228-1-nikhil.gupta@nxp.com

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index ad85ff6..ec315b0 100644 (file)
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -648,8 +648,8 @@ void __init early_init_fdt_scan_reserved_mem(void)
        }
 
        fdt_scan_reserved_mem();
-       fdt_init_reserved_mem();
        fdt_reserve_elfcorehdr();
+       fdt_init_reserved_mem();
 }
 
 /**