Merge tag 'cxl-for-7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull CXL updates from Dave Jiang:
 "The headline item is the first part of support for Dynamic Capacity
  Devices (DCD). It covers flagging DCD support in the mailbox, reading
  the dynamic capacity configuration from the device, gathering DSMAS
  data for the DCD partitions, and configuring the dynamic capacity
  interrupts. It also adds a documentation update and a cleanup that
  enforces partition ordering. DCD is not enabled yet with these code
  changes. Patches are applied to reduce the whole set in order to
  relief the burden of very large patch set review.

  Zero sized HDM decoders are now allowed, along with cxl_test support
  for them. There is also a set of decoder hardening patches for switch
  decoder enumeration. Latency calculations now account for link width
  and use consistent units. The GPF timeout programming has been
  reworked. The pull also has a number of misc patches.

  A large number of bug fixes against pre-existing issues make up the
  rest of the pull. Many of these were flagged by review of patches
  posted to the mailing list by sashiko.

  Also adding Richard Cheng as a reviewer (R) to the CXL sub-system"

* tag 'cxl-for-7.4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (49 commits)
  cxl/events: Test CME counter expiry with equality, not bitwise AND
  Documentation/cxl: Document DPA partition layout and ordering rules
  cxl/core: Enforce partition order/simplify partition calls
  cxl/mem: Configure dynamic capacity interrupts
  cxl/pci: Factor out interrupt policy check
  cxl/events: Split event msgnum configuration from irq setup
  cxl/cdat: Gather DSMAS data for DCD partitions
  cxl/mem: Read dynamic capacity configuration from the device
  cxl/mbox: Flag support for Dynamic Capacity Devices (DCD)
  cxl/acpi: Convert QTG _DSM latencies to picoseconds
  cxl: Account for link width in latency calculation
  cxl/port: Convert PCIe link latency to nanoseconds
  cxl/pci: Update only the Port GPF timeout fields
  cxl/pci: Program the Port GPF timeouts before caching the DVSEC
  cxl/pci: Use the Device GPF DVSEC for restricted endpoints
  cxl/port: Attach endpoints to a dport under the lock that pins it
  cxl/core: Hold the dport host lock across dport lookup and use
  cxl/port: Clear cached dport pointers when a dport is removed
  cxl/region: Warn on user region position mismatch
  cxl/acpi: Check ACPI companion before use
  ...

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