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Michael Pfeifroth
6bdd3fd033
Backport the modemmanager hotplug noise reduction from master. On every boot and hotplug replay each net/tty/wwan uevent is handed to mm_report_event via the hotplug scripts, which log an info "event processed" line to daemon.info before mm_report_event decides whether the device is relevant. On a target with SQM tunnels, bridges and veth that is dozens of pointless info lines per boot. In addition, procd replays every uevent before /etc/init.d/modemmanager starts, so the live mmcli --report-kernel-event call fails with "couldn't get bus" and is logged as daemon.err per modem port. Make mm_report_event the single authority on what is worth reporting: it now returns non-zero when it drops a virtual device (keeping the QMAP/ QMI/MBIM multiplexing netdevices qmapmux*/qmimux*/mbimmux*, which are virtual but are real modem data ports) and returns success when it caches an event for a not-yet-running ModemManager. The hotplug scripts only emit their "event processed" info log when the event was actually reported. The live mmcli call is skipped while ModemManager is down; the wrapper replays the cache once it is up. This combines the master commits below into a single change; the intermediate /devices/virtual guard of7885dff933, which wrongly dropped the mux data ports, is superseded by the mm_report_event based filtering and is therefore not applied on its own. (cherry picked from commit187382d9d1) (cherry picked from commitf094afbed0) Signed-off-by: Michael Pfeifroth <micpf@westermo.com>