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That hardware revision is no longer in production and > is not available for new orders. All currently manufactured and shipped > VAR-SOM-MX8MM modules integrate the NXP IW61x instead. This common problem, we met similar case. After replace new compenent, it should be new boards, or new revision. I don't suggest directly replace it to broken old one. You can create dt overlay files for new boards. Krzysztof Kozlowski: how about other vendor handle similar case? Any guide line for that? Frank > > Since the wireless module is soldered on the SOM and not selectable via > the carrier board, the device tree must reflect the hardware that is > actually present on the module. This series aligns mainline with the > current production revision of the SOM. > > Customers using older hardware revisions still have access to the > corresponding device tree descriptions in earlier kernel versions. > Upstream support is being aligned with the actively produced hardware. > > The same applies to the Ethernet PHY update included in this series, > which reflects the PHY used on the current (and future) SOM revision. > > Best regards, > Stefano