Re: [PATCH v3 3/3] ACPI: delay enumeration of devices with a _DEP pointing to INTC1059 device

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Hi Wentong,

On Mon, Mar 27, 2023 at 02:23:08PM +0800, Wentong Wu wrote:
> 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.

Ouch.

> 
> 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 INTC1059 ACPI device, so adding INTC1059 to acpi_honor_dep_ids
> allows solving the probe-ordering problem by delaying the enumeration of
> ACPI-devices which have a _DEP dependency on an INTC1059 device.

What does the INTC1059 device represent?

-- 
Sakari Ailus



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