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linux:udev [2023/12/13 16:20] niziak |
linux:udev [2023/12/13 16:31] (current) niziak |
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| === Testing rules === | === Testing rules === | ||
| <code bash>udevadm test /sys/class/tty/ttyACM0</code> | <code bash>udevadm test /sys/class/tty/ttyACM0</code> | ||
| + | |||
| + | NOTE: This program is for debugging only, it does not run any program specified by a RUN key. It may show incorrect results, because some values may be different, or not available at a simulation run. | ||
| ==== Getting info ==== | ==== Getting info ==== | ||
| Line 24: | Line 26: | ||
| </file> | </file> | ||
| + | <code bash> | ||
| + | udevadm control --log-priority=debug | ||
| + | |||
| + | </code> | ||
| ==== Rules ==== | ==== Rules ==== | ||
| Line 108: | Line 114: | ||
| ATTR{device/of_node/symlink}!="", ENV{DEVNAME}!="", SYMLINK+="%s{device/of_node/symlink}" | ATTR{device/of_node/symlink}!="", ENV{DEVNAME}!="", SYMLINK+="%s{device/of_node/symlink}" | ||
| </code> | </code> | ||
| + | |||
| + | See: | ||
| + | - [[https://github.com/mvduin/py-uio/blob/master/dts/pwmss2.dtsi#L122|pwmss2.dtsi]] | ||
| + | - [[https://github.com/mvduin/py-uio/blob/master/etc/udev/rules.d/10-of-symlink.rules|10-of-symlink.rules]] | ||
| + | - [[https://github.com/mvduin/py-uio/blob/master/dts/pwmss2.dtsi|pwmss2.dtsi]] | ||
| === Triggering systemd === | === Triggering systemd === | ||