[Fix the Linus Walleij's address.] On Tue, Oct 20, 2020 at 12:59 AM Daniel Scally <djrscally@xxxxxxxxx> wrote: > > Hello all > > This series adds support to the ipu3-cio2 driver for fwnode connections > between cio2 and sensors to be defined via software_nodes. The final patch > in the series deals wholly with those changes - the preceding patches are > either supporting changes to accommodate that or incidental fixes along > the way: > > 1/9 adds a function to drivers/base/swnode.c unwinding arrays of software > nodes in reverse order > > 2/9 uses that function in lib/test_printf.c > > 3/9 fixes what seems to me to be a bug in the existing swnode.c code in > that software_node_get_next_child() does not increase the refcount of the > returned node (in contrast to, for example, of_get_next_child_node() which > does increase the count) > > 4/9 adds the fwnode_graph*() family of functions to the software_node > implementation > > 5/9 adds a T: entry to MAINTAINERS for the ipu3-cio2 driver > > 6/9 renames the ipu3-cio2.c file to ipu3-cio2-main.c and fixes Makefile > to accommodate that change > > 7/9 alters the ipu3-cio2 driver to check if the pci_dev's fwnode is a > software_node and pass flags to fwnode_graph_get_endpoint_by_id() if so > > 8/9 alters match_fwnode() in v4l2-async.c to additionally try to match on > a fwnode_handle's secondary if the primary doesn't match > > 9/9 alters the ipu3-cio2 driver to do the actual building of software_node > connections between the sensor devices and the cio2 device. > > This is still not ready for integration - hence the RFC label - as there > is ongoing work to extend the ipu3-cio2 driver further to parse ACPI > to discover resources such as regulators and GPIOs that are defined there > in unusual ways and map them to the sensor devices so that their drivers > can consume them transparently through the usual frameworks. Given this > has changed quite extensively from v2 though, I wanted to submit it for > feedback at this point in case it needs further large scale change. I would appreciate it if you posted the next version of this series (all patches) to linux-acpi@xxxxxxxxxxxxxxx for easier review. Thanks!
