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of, numa: Fetch empty NUMA node ID from distance map

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There is no device node for the empty NUMA node. However, the
corresponding NUMA node ID and distance map is still valid in
"numa-distance-map-v1" compatible device node.

This fetches the NUMA node ID and distance map for these empty
NUMA node from "numa-distance-map-v1" compatible device node.

Signed-off-by: Gavin Shan <gshan@redhat.com>
Link: https://lore.kernel.org/r/20210927064119.127285-3-gshan@redhat.com
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Gavin Shan 2021-09-27 14:41:19 +08:00 committed by Rob Herring
parent 58ae0b5150
commit 91cb8860cb
1 changed files with 2 additions and 0 deletions
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2
drivers/of/of_numa.c
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@ -111,6 +111,8 @@ static int __init of_numa_parse_distance_map_v1(struct device_node *map)
return -EINVAL;
}
node_set(nodea, numa_nodes_parsed);
numa_set_distance(nodea, nodeb, distance);
/* Set default distance of node B->A same as A->B */