Merge tag 'mhi-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next

Manivannan writes:

MHI changes for v5.12

Loic improved the MHI PCI generic controller by adding support for DIAG channel,
PCI error handling, suspend/recovery/resume, and health check. Loic also added
support for resetting the MHI device as per the MHI specification. This includes
writing to a specific register for default cases and looking for controller
specific callback when provided.

Along with this Loic, also added a new API which gets the number for free TREs
(Transfer Ring Elements) from the MHI core. The client drivers can make use of
this API and the current consumer is the "mhi-net" driver. For taking both the
"mhi-net" driver change and the API change, we created "mhi-net-immutable"
branch for this patch and merged the same into net-next and mhi-next.

Carl added a patch which lets the controller driver to pass the custom IRQ
flags for BHI and MHI event interrupts to the MHI core. The current consumer of
this feature is the ath11k MHI controller driver. For taking both the changes,
we created "mhi-ath11k-immutable" branch for this patch and merged into
ath11k-next and mhi-next.

Finally, Loic cleaned up the MHI queue APIs and fixed the shared MSI vector
support.

* tag 'mhi-for-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi:
  bus: mhi: pci_generic: Increase num of elements in hw event ring
  mhi: pci_generic: Print warning in case of firmware crash
  bus: mhi: core: Add helper API to return number of free TREs
  mhi: core: Factorize mhi queuing
  mhi: use irq_flags if controller driver configures it
  mhi: pci_generic: Fix shared MSI vector support
  mhi: unconstify mhi_event_config
  bus: mhi: Ensure correct ring update ordering with memory barrier
  mhi: pci_generic: Set irq moderation value to 1ms for hw channels
  mhi: pci_generic: Add diag channels
  mhi: pci_generic: Increase controller timeout value
  mhi: pci_generic: Add health-check
  mhi: pci_generic: Add PCI error handlers
  mhi: pci_generic: Add suspend/resume/recovery procedure
  mhi: pci_generic: Add support for reset
  mhi: pci_generic: Enable burst mode for hardware channels
  mhi: pci-generic: Increase number of hardware events
  bus: mhi: core: Add device hardware reset support

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