Commit 6487c15f authored Aug 27, 2018 by Rob Herring

of: Support matching cpu nodes with no 'reg' property



For some single core ARM systems, the DTs can have a single cpu node
without a reg property and #address-cells == 0. This case is valid and
should match on cpu #0.

Cc: Frank Rowand <frowand.list@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>

parent f1f207e4

drivers/of/base.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -327,6 +327,8 @@ static bool __of_find_n_match_cpu_property(struct device_node *cpun,

		ac = of_n_addr_cells(cpun);
		cell = of_get_property(cpun, prop_name, &prop_len);
		if (!cell && !ac && arch_match_cpu_phys_id(cpu, 0))
		return true;
		if (!cell \|\| !ac)
		return false;
		prop_len /= sizeof(cell) ac;

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