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uqmi: wait for the control device too

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The control device /dev/cdc-wdm0 is not available immediately on the
D-Link DWR-921 Rev.C3, therefore the wwan interface fails to start at
boot with a "The specified control device does not exist" error.

This patch alters /lib/netifd/proto/qmi.sh to wait for
network.wwan.delay earlier, before checking for the control device,
instead of just before interacting with the modem.

One still has to use network.wwan.proto='qmi', as the "wwan" proto
performs that sort of check before any delay is possible, failing with a
"No valid device was found" error.

Signed-off-by: Thomas Equeter <tequeter@users.noreply.github.com>
This commit is contained in:
Thomas Equeter
2018-08-16 21:39:05 +02:00
committed by John Crispin
parent 7aa5dc46ee
commit acedce1d79
1 changed files with 2 additions and 2 deletions
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4
package/network/utils/uqmi/files/lib/netifd/proto/qmi.sh
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@@ -44,6 +44,8 @@ proto_qmi_setup() {
return 1 return 1
} }
[ -n "$delay" ] && sleep "$delay"
device="$(readlink -f $device)" device="$(readlink -f $device)"
[ -c "$device" ] || { [ -c "$device" ] || {
echo "The specified control device does not exist" echo "The specified control device does not exist"
@@ -62,8 +64,6 @@ proto_qmi_setup() {
return 1 return 1
} }
[ -n "$delay" ] && sleep "$delay"
while uqmi -s -d "$device" --get-pin-status | grep '"UIM uninitialized"' > /dev/null; do while uqmi -s -d "$device" --get-pin-status | grep '"UIM uninitialized"' > /dev/null; do
[ -e "$device" ] || return 1 [ -e "$device" ] || return 1
sleep 1; sleep 1;