+ Duke Xin (who is adding Quectel modem support these days) On Sun, Jul 07, 2024 at 08:23:57PM +0300, Murithi Borona wrote: > Hello, > > Module: Quectel EM120R-GL > > This module does not appear to work fully with the default SDX24 configuration. > It appears to be another variant of the EM120R-GL (Also FCC-Locked by default). > > Issues: > - Debug ports are missing (AT) > - It only works over MBIM/QMI with Qualcomm's RMNET driver. > - In QMI mode it's really unstable and unpredictable with the QMI port > freezing up. > > Are there any missing channels in the SDX24 config or is this a hw/vendor issue. > When using Quectel's drivers (and blacklisting mhi_pci_generic), all > the ports are available. > The configuration for other variants of the same module brings up the > AT port ( with a recurring warning/error). > Most likely this device is a derivative product that needs a different configuration than EM120R-GL. Could you please share the sub-vendor/device ids? You can just share the output of 'lspci -vmm' command. Duke Xin: Are you aware of such derivative product? - Mani > >> [ 5074.472791] sequence number glitch prev=1 curr=0 > > > mhi_qcom_sdx24_info > ================== > > lspci: 0003:01:00.0 Unassigned class [ff00]: Qualcomm Technologies, > Inc SDX24 [Snapdragon X24 4G] [17cb:0304] > > ports: mhi_hwip0 (net), mhi_swip0 (net), wwan2mbim0 (mbim), wwan2qcdm0 > (ignored), wwan2qmi0 (qmi) > > > mhi_quectel_em1xx_info > =================== > > lspci: 0003:01:00.0 Unassigned class [ff00]: Qualcomm Technologies, > Inc SDX24 [Snapdragon X24 4G] [17cb:0304] > > ports: wwan0 (net), wwan0at0 (at), wwan0mbim0 (mbim), wwan0qcdm0 (ignored) -- மணிவண்ணன் சதாசிவம்
