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While the resources enumerated by the CEDT.CFMWS identify a cxl_port with host bridges as downstream ports, host bridges themselves are upstream ports that decode to downstream ports represented by PCIe Root Ports. Walk the PCIe Root Ports connected to a CXL Host Bridge, identified by the ACPI0016 _HID, and add each one as a cxl_dport of the host bridge cxl_port. For now, component registers are not enumerated, only the first order uport / dport relationships. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/162325451145.2293126.10149150938788969381.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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.. | ||
acpi.c | ||
core.c | ||
cxl.h | ||
Kconfig | ||
Makefile | ||
mem.h | ||
pci.c | ||
pci.h |