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This allows a bootloader to change the number of available CPUs (for example when a common DTS is used for SoC variants with different numbers of cores) without deleting the nodes altogether (which may require additional fixups where the CPU nodes are referenced, e.g. a cooling map). Signed-off-by: Matthias Schiffer --- drivers/of/base.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/of/base.c b/drivers/of/base.c index ea44fea99813..d547e9deced1 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -796,6 +796,8 @@ struct device_node *of_get_next_cpu_node(struct device_node *prev) of_node_put(node); } for (; next; next = next->sibling) { + if (!__of_device_is_available(next)) + continue; if (!(of_node_name_eq(next, "cpu") || __of_node_is_type(next, "cpu"))) continue; -- 2.17.1