uqmi: added timeout to fix hanging qmi.sh

Modems which are using qmi do not reply on the 1st sync but they do
on subsequent. So qmi.sh is hanging on the first call. Since 2020 uqmi
supports a timeout parameter. Unfortunately qmi.sh didn't make use of
this parameter. So qmi.sh is now invoking an early dummy access to
unlock the modem

Signed-off-by: Uwe Niethammer <uwe@dr-niethammer.de>

diff --git a/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh b/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh
index 6c5104bccd834738abd1cc0ec1e71388e496d0cd..eab7f1ea13d45d33b7cd284c6f82865faf66be77 100755 (executable)
--- a/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh
+++ b/package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh
@@ -83,6 +83,8 @@ proto_qmi_setup() {
 
        echo "Waiting for SIM initialization"
        local uninitialized_timeout=0
+       # timeout 3s for first call to avoid hanging uqmi
+       uqmi -d "$device" --get-pin-status -t 3000 > /dev/null 2>&1
        while uqmi -s -d "$device" --get-pin-status | grep '"UIM uninitialized"' > /dev/null; do
                [ -e "$device" ] || return 1
                if [ "$uninitialized_timeout" -lt "$timeout" -o "$timeout" = "0" ]; then