Merge tag 'scmi-updates-7.4' of https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers

Arm SCMI updates for v7.4

Add an ACPI PCC transport for SCMI. The core now propagates firmware
nodes and supports protocol-specific channel lookup, while the new
transport parses and validates ACPI _DSD mappings for shared and
dedicated command and notification channels. ACPI protocol devices can
be initialized without device tree child nodes.

Enable SCMI protocol driver module autoloading by generating stable
SCMI module aliases and creating standard protocol devices before
their drivers register.

Fix delayed-response completion and raw transfer reuse races, and
release a raw transfer on an error path. Also consolidate reset domain
information queries and use string helpers in SCMI trace events.

* tag 'scmi-updates-7.4' of https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux: (23 commits)
  firmware: arm_scmi: Always create devices for standard protocols
  firmware: arm_scmi: Add SCMI device table alias support
  firmware: arm_scmi: Validate PCC shared memory signature
  firmware: arm_scmi: Initialise known ACPI protocol devices and channels
  firmware: arm_scmi: Add ACPI PCC transport
  firmware: arm_scmi: Refactor protocol device creation logic
  firmware: arm_scmi: Pass protocol ID to transport chan_available()
  firmware: arm_scmi: Fall back to ACPI HID when "compatible" is absent
  firmware: arm_scmi: Convert OF-only paths to generic fwnode in SCMI core
  firmware: arm_scmi: Extend transport driver macro to support ACPI
  firmware: arm_scmi: Set generated device fwnode with platform helpers
  firmware: arm_scmi: Merge scmi_reset_proto_ops.name_get() and .latency_get()
  firmware: arm_scmi: Fix error path leak in scmi_raw_message_send()
  firmware: arm_scmi: Don't reuse raw xfers with async_done still armed
  firmware: arm_scmi: Protect xfer->async_done with xfer->lock
  include: trace: Use string helpers in msg_dump trace events
  firmware: arm_scmi: Fix typo "upto" in comment
  firmware: arm_ffa: Tear down driver during shutdown
  clk: scpi: use PLATFORM_DEVID_NONE for scpi-cpufreq
  clk: scpi: register scpi-cpufreq once and clear on failure
  ...

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

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