On Fri, Apr 21, 2017 at 7:18 PM, William Hermans <[email protected]> wrote: > Another thing that come to mind right off is that some files can only be > read, while others still can only be written to. If you're attempting to > change permissions to these files in a way that it's not meant to be used. > It could potentially cause the whole rule to fail.
Yeah, this one is really stumping me: With only the first part: SUBSYSTEM=="pwm", ACTION=="add", PROGRAM="/bin/sh -c '/bin/chown -R root:pwm /sys/class/pwm/" SUBSYSTEM=="pwm", ACTION=="add", PROGRAM="/bin/sh -c '/bin/chmod -R ug+rw /sys/class/pwm/" /sys/class/pwm/ looks like: lrwxrwxrwx 1 root pwm 0 Apr 22 01:22 pwmchip0 -> ../../devices/platform/ocp/48300000.epwmss/48300100.ecap/pwm/pwmchip0 lrwxrwxrwx 1 root pwm 0 Apr 22 01:22 pwmchip1 -> ../../devices/platform/ocp/48304000.epwmss/48304100.ecap/pwm/pwmchip1 lrwxrwxrwx 1 root pwm 0 Apr 22 01:22 pwmchip2 -> ../../devices/platform/ocp/48300000.epwmss/48300200.pwm/pwm/pwmchip2 lrwxrwxrwx 1 root pwm 0 Apr 22 01:22 pwmchip4 -> ../../devices/platform/ocp/48302000.epwmss/48302200.pwm/pwm/pwmchip4 lrwxrwxrwx 1 root pwm 0 Apr 22 01:22 pwmchip6 -> ../../devices/platform/ocp/48304000.epwmss/48304200.pwm/pwm/pwmchip6 All the pwmchipX dir's look like: lrwxrwxrwx 1 root root 0 Apr 22 01:24 device -> ../../../48300100.ecap --w------- 1 root root 4.0K Apr 22 01:24 export -r--r--r-- 1 root root 4.0K Apr 22 01:24 npwm drwxr-xr-x 2 root root 0 Apr 22 01:24 power lrwxrwxrwx 1 root root 0 Apr 22 01:24 subsystem -> ../../../../../../../class/pwm -rw-r--r-- 1 root root 4.0K Apr 22 01:22 uevent --w------- 1 root root 4.0K Apr 22 01:24 unexport with teh 2nd rule debian@test-bbb-2:/sys/class/pwm/pwmchip0$ ls -lha total 0 drwxrwxr-x 3 root pwm 0 Apr 22 01:32 . drwxr-xr-x 3 root root 0 Apr 22 01:32 .. lrwxrwxrwx 1 root pwm 0 Apr 22 01:32 device -> ../../../48300200.pwm -rw-rw---- 1 root pwm 4.0K Apr 22 01:32 export -rw-rw-r-- 1 root pwm 4.0K Apr 22 01:32 npwm drwxrwxr-x 2 root pwm 0 Apr 22 01:32 power lrwxrwxrwx 1 root pwm 0 Apr 22 01:32 subsystem -> ../../../../../../../class/pwm -rw-rw-r-- 1 root pwm 4.0K Apr 22 01:32 uevent -rw-rw---- 1 root pwm 4.0K Apr 22 01:32 unexport Regards, -- Robert Nelson https://rcn-ee.com/ -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYgHHmkTah-F5e%2BH6yAPMSY5xpfmMCpO6qx8pDzgX%3DaKnQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
