systool: invalid option -- '-' Usage: systool [<options> [device]] -a Show attributes -b <bus_name> Show a specific bus -c <class_name> Show a specific class -d Show only devices -h Show usage -m <module_name> Show a specific module -p Show path to device/driver -v Show all attributes with values -A <attribute_name> Show attribute value -D Show only drivers -P Show device's parent

systool: invalid option -- '-' Usage: systool [<options> [device]] -a Show attributes -b <bus_name> Show a specific bus -c <class_name> Show a specific class -d Show only devices -h Show usage -m <module_name> Show a specific module -p Show path to device/driver -v Show all attributes with values -A <attribute_name> Show attribute value -D Show only drivers -P Show device's parent