Am Donnerstag, 21. Juli 2016 07:35:23 UTC+2 schrieb john3909: > > Why not use the A & B suffix? Surely this just needs modification to your > regular expressions? >
Just renaming doesn't solve the issue. There's just one P9_42 and the features of P9_92 should get merged in to this pin. Check the libpruio overlay on how to handle this in a save manner. But the point is: both (cape_universal and libpruio overlays) are just bad workarounds. They load a lot of pin configurations in kernel space memory, while just a few are used. A full featured dtbo file (67 header pins) has 135140 bytes. Handling all that pre-configurations slows down boot time and blocks a lot of kernel memory. And finally the configuration necessary for a special usecase is still missing. >From my point of view the kernel driver pinctrl-single should get patched: 1. It should protect the system (when one CPU ball gets set, the other should automatically get in input state - for CPU balls connected to P9_41 and P9_42). 2. It should get an API in /sys/devices/ocp to set any pin configuration (as stated in our March discussion <https://groups.google.com/d/msg/beagleboard/ZTKntXOXGyc/GLBOQ2r5BQAJ>). This API would be the correct basis for Williams web interface (and for config-pin or libpruio pinmuxing). BR -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/9ff475ab-0f97-4fc0-906c-49d989b8ef8a%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
