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Inside IVSC, switching ownership requires an interface with two different hardware modules, ACE and CSI. The software interface to these modules is based on Intel MEI framework. Usually mei client devices are dynamically created, so the info of consumers depending on mei client devices is not present in the firmware tables. This causes problems with the probe ordering with respect to drivers for consumers of these MEI client devices. But on these camera sensor devices, the ACPI nodes describing the sensors all have a _DEP dependency on the matching MEI bus ACPI device, so adding IVSC MEI bus ACPI device to acpi_honor_dep_ids allows solving the probe-ordering problem by deferring the enumeration of ACPI-devices which have a _DEP dependency on an IVSC mei bus ACPI device. Add INTC10CF, the HID of IVSC MEI bus ACPI device on MTL platform, to acpi_honor_dep_ids. Signed-off-by: Wentong Wu <wentong.wu@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@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.