Commit 81dfedd5 authored by Zijun Hu's avatar Zijun Hu Committed by Rob Herring (Arm)
Browse files

of: reserved-memory: Warn for missing static reserved memory regions 



For child node of /reserved-memory, its property 'reg' may contain
multiple regions, but fdt_scan_reserved_mem_reg_nodes() only takes
into account the first region, and miss remaining regions.

But there are no simple approach to fix it, so give user warning
message when miss remaining regions.

Fixes: 8a6e02d0 ("of: reserved_mem: Restructure how the reserved memory regions are processed")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarZijun Hu <quic_zijuhu@quicinc.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20250114-of_core_fix-v5-2-b8bafd00a86f@quicinc.com


Signed-off-by: default avatarRob Herring (Arm) <robh@kernel.org>
parent 72d1c182

drivers/of/of_reserved_mem.c

+5 −0
Original line number Diff line number Diff line
@@ -263,6 +263,11 @@ void __init fdt_scan_reserved_mem_reg_nodes(void) 
			       uname);

			continue;

		}



		if (len > t_len)

			pr_warn("%s() ignores %d regions in node '%s'\n",

				__func__, len / t_len - 1, uname);



		base = dt_mem_next_cell(dt_root_addr_cells, &prop);

		size = dt_mem_next_cell(dt_root_size_cells, &prop);