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mhi-linux-kernel-patches

mhi-linux-kernel-patches is a repository holding out-of-tree kernel patches to support Telit PCIe EP modems for specific kernel versions.

The patches need to be applied on top of the official kernel source code releases available at https://github.com/torvalds/linux

Modem support status

Following the status of Telit modems support against the kernel version with patches applied:

v5.12 v5.13 v5.14 >= v5.15
FN980 hw v1 amss: QRTR, RMNET amss: QRTR, RMNET amss: QRTR, RMNET amss: QRTR, RMNET
FN980 hw v2 amss: QRTR, RMNET, DIAG, NMEA, AT, AT
sbl: DIAG, SAHARA
amss: QRTR, RMNET, DIAG, NMEA, AT, AT
sbl: DIAG, SAHARA
amss: QRTR, RMNET, DIAG, NMEA, AT, AT
sbl: DIAG, SAHARA
amss: QRTR, RMNET, DIAG, NMEA, AT, AT
sbl: DIAG, SAHARA
FN990 n/a n/a n/a amss: MBIM, DIAG, NMEA, AT, AT
sbl: DIAG, SAHARA

Applying the patches

To apply the patches:

  • Clone the repository

git clone https://github.com/telit/mhi-linux-kernel-patches.git

  • Checkout the tag related to the kernel version in use:

git checkout <tag>

e.g.

git checkout v5.12

Branches are in the form mhi_vx.y with x.y the actual version. Tags are in the form vx.y for first set of patches or vx.y-tz for bugfixing.

  • Move to the kernel source code release root and apply the patches:

git am <directory where patches are stored>/00*

Rebuild the kernel.

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Repository holding out-of-tree kernel patches to support Telit PCIe EP modems

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