tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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dax/hmem: Parent dax_hmem devices

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 <dan.j.williams@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://patch.msgid.link/20260327052821.440749-8-dan.j.williams@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>

authored by

Dan Williams and committed by
Dave Jiang 059edcc4 f8dc1bde

+1
+1
drivers/dax/hmem/hmem.c
··· 96 96 return -ENOMEM; 97 97 } 98 98 99 + pdev->dev.parent = host; 99 100 pdev->dev.numa_node = numa_map_to_online_node(target_nid); 100 101 info = (struct memregion_info) { 101 102 .target_node = target_nid,