On 20/10/2020 14:38, Rafael J. Wysocki wrote: > [Fix the Linus Walleij's address.] Thanks - much appreciated > 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! Sure thing, I'll make sure to add that list to next version
