In src/mm-context.c, it appears that can be disabled with an argument:
262 #if defined WITH_QRTR
263 {
264 "test-no-qrtr", 0, 0, G_OPTION_ARG_NONE, &test_no_qrtr,
265 "Run without qrtr support even if available",
266 NULL
267 },
268 #endif
And probably all one has to do is to test if qrtr is actually supported
by the running kernel:
330 #if defined WITH_QRTR
331 gboolean
332 mm_context_get_test_no_qrtr (void)
333 {
334 return test_no_qrtr;
335 }
336 #endif
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1998194
Title:
Please add support for Qualcomm IPC Router in 5.4 focal kernel
Status in linux package in Ubuntu:
Confirmed
Bug description:
The modemmanager debian package in focal was recently upgraded to 1.18
(the jammy version was backported - see LP: #1965901). This version
has broken some Qualcomm modems as it start to require the Qualcomm
IPC Router for them, which drivers are not enabled in Ubuntu kernel
5.4. To fix this we need these options enabled in the focal kernel:
CONFIG_QRTR=m
CONFIG_QRTR_SMD=m
CONFIG_QRTR_TUN=m
CONFIG_QRTR_MHI=m
The options are already enabled in more modern Ubuntu kernel, i.e.
5.17.
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