On Wed, May 24, 2023 at 1:48 PM Rafael J. Wysocki <rjw@xxxxxxxxxxxxx> wrote: > > Hi Folks, > > This basically is a re-write of a recent patch series from Sakari: > > https://lore.kernel.org/linux-acpi/20230329100951.1522322-1-sakari.ailus@xxxxxxxxxxxxxxx > > 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-interface-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. > > This series is based on the patch at > > https://patchwork.kernel.org/project/linux-acpi/patch/12223415.O9o76ZdvQC@kreacher/ > > applied on top of 6.4-rc3. > > Later on, I'll put all of this material into a special git branch for easier > access. The patches are now available from the acpi-mipi-disco-imaging branch in the linux-pm.git tree at kernel.org. Thanks!
