On 6/3/20 11:51 AM, Pablo Sebastián Greco wrote: > > On 2/6/20 21:36, R C wrote: >> Hello, >> >> >> >> if not mistaken, sysfs creates the '/sys/class/gpio' directory >> structure and the interface to the actual pins, right? >> >> >> On an older centos version (7.1.1503), it is there however on >> 7.8.2003 it's not. >> >> >> Am I missing something? > The gpio handling was changed several kernels ago, IIRC you need you > use libgpio now. yes, I found that out last night, late > I think I built it some time ago and put it here > https://people.centos.org/pgreco/libgpiod/, let me know if it helps. I will try that one, because the one I compiled didn't seem to be working. (I tried compiling 1.4.3, which 'seemed' to compile without errors/warnings, but I couldn't compile 1.5.x because of some kernel-header/linux-header issues. >> >> >> >> Ron >> >> _______________________________________________ >> Arm-dev mailing list >> Arm-dev at centos.org >> https://lists.centos.org/mailman/listinfo/arm-dev