On Wed, Feb 28, 2024 at 12:25:30AM +0000, Chris Packham wrote: > > On 28/02/24 13:05, Andy Shevchenko wrote: > > On Tue, Feb 27, 2024 at 11:22 PM Chris Packham > > <chris.packham@xxxxxxxxxxxxxxxxxxx> wrote: > >> This series adds a driver for a 7 segment LED display. > >> > >> At this point I've decided not to pursue supporting >1 character. I had > >> a look at what would be required to add a devm_fwnode_gpiod_get_array() > >> and got bogged down in OF and ACPI code for counting GPIOs. > > Out of curiosity, why did it happen? gpiod_count() works in an agnostic way. > > > At first I though I could create a fwnode_gpiod_count() out of the body > of gpiod_count(). But both of_gpio_get_count() and acpi_gpio_count() > take the dev not the fwnode. It looks like gpiod_count() (and > of_gpio_spi_cs_get_count()) could probably be re-written (or abstracted) > to take the device_node instead of the device. I started looking at > acpi_gpio_count() but I couldn't quite see how I could adapt this. > > I'm definitely not saying it can't be done. Just that you probably don't > want an occasional contributor like me messing with some of these core > device abstractions. I just sent a series. With it you may split gpiod_count() to fwnode_gpio_count() and gpiod_count() that uses the former. I believe you may do that easily as it won't require any special knowledge. -- With Best Regards, Andy Shevchenko