Hi Folks,
This is a new revision of
https://lore.kernel.org/linux-acpi/2187487.irdbgypaU6@kreacher/
addressing comments from Sakari and adding one more patch (also from
Sakari).
The main points from the original cover letter are still valid:
> The general idea is the same - CSI-2 resource descriptors, introduced in
> ACPI 6.4 and defined by
>
> https://uefi.org/specs/ACPI/6.5/06_Device_Configuration.html#camera-serial-i
> nterface-csi-2-connection-resource-descriptor
>
> are found and used for creating a set of software nodes that represent the
> CSI-2 connection graph.
>
> These software nodes need to be available before any scan handlers or ACPI
> drivers are bound to any struct acpi_device objects, so all of that is done
> at the early stage of ACPI device enumeration, but unnecessary ACPI
> namespace walks are avoided.
>
> The CSI-2 software nodes are populated with data extracted from the CSI-2
> resource descriptors themselves and from device properties defined by the
> MIPI DisCo for Imaging specification (see
> https://www.mipi.org/specifications/mipi-disco-imaging).
>
> Patches [4,6/6] come from the original series directly, but the other
> patches have been changes substantially, so I've decided to re-start patch
> series versioning from scratch.
The series is based on the current mainline.
Thanks!
On Mon, Nov 6, 2023 at 5:34 PM Rafael J. Wysocki <[email protected]> wrote:
>
> Hi Folks,
>
> This is a new revision of
>
> https://lore.kernel.org/linux-acpi/2187487.irdbgypaU6@kreacher/
>
> addressing comments from Sakari and adding one more patch (also from
> Sakari).
>
> The main points from the original cover letter are still valid:
>
> > The general idea is the same - CSI-2 resource descriptors, introduced in
> > ACPI 6.4 and defined by
> >
> > https://uefi.org/specs/ACPI/6.5/06_Device_Configuration.html#camera-serial-i
> > nterface-csi-2-connection-resource-descriptor
> >
> > are found and used for creating a set of software nodes that represent the
> > CSI-2 connection graph.
> >
> > These software nodes need to be available before any scan handlers or ACPI
> > drivers are bound to any struct acpi_device objects, so all of that is done
> > at the early stage of ACPI device enumeration, but unnecessary ACPI
> > namespace walks are avoided.
> >
> > The CSI-2 software nodes are populated with data extracted from the CSI-2
> > resource descriptors themselves and from device properties defined by the
> > MIPI DisCo for Imaging specification (see
> > https://www.mipi.org/specifications/mipi-disco-imaging).
> >
> > Patches [4,6/6] come from the original series directly, but the other
> > patches have been changes substantially, so I've decided to re-start patch
> > series versioning from scratch.
>
> The series is based on the current mainline.
And now it is available in the acpi-mipi-disco-img branch of
linux-pm.git, for easier access.
Thanks!