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In cxl_acpi_probe() the iterator bus_for_each_dev() walks through all CXL hosts. Since all dev_*() debug messages point to the ACPI0017 device which is the CXL root for all hosts, the device information is pointless as it is always the same device. Change this to use the host device for this instead. Also, add additional host specific information such as CXL support, UID and CHBCR. This is an example log: acpi ACPI0016:00: UID found: 4 acpi ACPI0016:00: CHBCR found: 0x28090000000 acpi ACPI0016:00: dport added to root0 acpi ACPI0016:00: host-bridge: ACPI0016:00 pci0000:7f: host supports CXL Signed-off-by: Robert Richter <rrichter@amd.com> Link: https://lore.kernel.org/r/20221018132341.76259-6-rrichter@amd.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.