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Out-of-the-box Linux kernel compatible with Quectel RM502Q
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Tested on Dell XPS laptop 15-inch: Architecture: x86_64, CPU op-mode(s): 32-bit, 64-bit, Byte Order: Little Endian, CPU(s): 8, On-line CPU(s) list: 0-7, Thread(s) per core: 2, Core(s) per socket: 4, CPU family: 6, Model: 158, Model name: Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz, Stepping: 9, CPU MHz: 900.064, CPU max MHz: 3800.0000, CPU min MHz: 800.0000, BogoMIPS: 5599.85,
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Based on linux kernel version 4.19.254. The base kernel is modifed according to Quectel RM502Q documentations to accomodate Quectel's provided drivers: USB for GSM and CDMA modems and QMI_WWAN.
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Quectel provides QMI_WWAN and Gobinet drivers. Only either of them should be used. This repo use QMI_WWAN only.
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Usage: pull the repo, cd into the source directory, then:
$ cp ./config-4.19.254-Quectel-Compatible .config- Note: this is the configuration for DELL XPS laptop 15-inch; it does not necessarily work with any other machines. Contrast this one with the config file on your own machine (i.e, /boot/linux-$(uname -r)/ for Debian/Ubuntu) for proper configuration. If you cannot boot into the system, most likely the configurations are wrong.
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$ sudo sh ./make_all.sh