[PATCH v4 07/10] arm64: kdump: Remove custom linux,elfcorehdr parsing

From: Geert Uytterhoeven
Date: Wed Jul 14 2021 - 08:51:57 EST


Remove the architecture-specific code for parsing the "linux,elfcorehdr"
property under the "/chosen" node in DT, as the platform-agnostic
handling in the FDT core code already takes care of this.

Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
v4:
- s/handlng/parsing/ in patch description.
---
arch/arm64/mm/init.c | 21 ---------------------
1 file changed, 21 deletions(-)

diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 8490ed2917ff2430..946e246660f2b180 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -125,25 +125,6 @@ static void __init reserve_crashkernel(void)
#endif /* CONFIG_KEXEC_CORE */

#ifdef CONFIG_CRASH_DUMP
-static int __init early_init_dt_scan_elfcorehdr(unsigned long node,
- const char *uname, int depth, void *data)
-{
- const __be32 *reg;
- int len;
-
- if (depth != 1 || strcmp(uname, "chosen") != 0)
- return 0;
-
- reg = of_get_flat_dt_prop(node, "linux,elfcorehdr", &len);
- if (!reg || (len < (dt_root_addr_cells + dt_root_size_cells)))
- return 1;
-
- elfcorehdr_addr = dt_mem_next_cell(dt_root_addr_cells, &reg);
- elfcorehdr_size = dt_mem_next_cell(dt_root_size_cells, &reg);
-
- return 1;
-}
-
/*
* reserve_elfcorehdr() - reserves memory for elf core header
*
@@ -154,8 +135,6 @@ static int __init early_init_dt_scan_elfcorehdr(unsigned long node,
*/
static void __init reserve_elfcorehdr(void)
{
- of_scan_flat_dt(early_init_dt_scan_elfcorehdr, NULL);
-
if (!elfcorehdr_size)
return;

--
2.25.1