On Fri, 10 Feb 2023 01:07:07 -0800 Dan Williams <dan.j.williams@xxxxxxxxx> wrote: > In preparation for the CXL region driver to take over the responsibility > of registering device-dax instances for CXL regions, move the > registration of "hmem" devices to dax_hmem.ko. > > Previously the builtin component of this enabling > (drivers/dax/hmem/device.o) would register platform devices for each > address range and trigger the dax_hmem.ko module to load and attach > device-dax instances to those devices. Now, the ranges are collected > from the HMAT and EFI memory map walking, but the device creation is > deferred. A new "hmem_platform" device is created which triggers > dax_hmem.ko to load and register the platform devices. > > Tested-by: Fan Ni <fan.ni@xxxxxxxxxxx> > Link: https://lore.kernel.org/r/167564543923.847146.9030380223622044744.stgit@xxxxxxxxxxxxxxxxxxxxxxxxx > Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> I'm not particularly familiar with this code, but you changes indeed reflect what you describe above an appear correct to me. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
