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dax/hmem: Parent dax_hmem devices

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For test purposes it is useful to be able to determine which
"hmem_platform" device is hosting a given sub-device.

Register hmem devices underneath "hmem_platform".

Signed-off-by: Dan Williams <[email protected]>
Reviewed-by: Ira Weiny <[email protected]>
Reviewed-by: Alison Schofield <[email protected]>
Reviewed-by: Dave Jiang <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Dave Jiang <[email protected]>
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Dan Williams authored and Dave Jiang committed 2026-04-01 08:12:18 -07:00
1 parent f8dc1bde18
commit 059edcc405
1 file changed
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drivers/dax/hmem/hmem.c
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@@ -96,6 +96,7 @@ static int __hmem_register_device(struct device *host, int target_nid,
return -ENOMEM;
}
pdev->dev.parent = host;
pdev->dev.numa_node = numa_map_to_online_node(target_nid);
info = (struct memregion_info) {
.target_node = target_nid,