NACK: [SRU][R:linux-raspi][PATCH 0/1] Add EDATEC IPC/EXP unified board overlay

Yufeng Gao yufeng.gao at canonical.com
Mon Jul 13 06:59:50 UTC 2026


On 13/7/26 11:13, Yufeng Gao wrote:
> BugLink: https://bugs.launchpad.net/bugs/2160474
>
> SRU Justification
>
> [Impact]
>
> When installed on EDATEC Pi CM5 devices, the IPC/EXP series industrial PC carrier boards
> are not supported, resulting in lack of PCA9535 GPIO expander configuration.
>
> [Fix]
>
> Pull the fix from upstream Raspberry Pi tree (rpi-6.18.y branch):
>    - 256d6b4bc3352 overlays: ed-ipc: Add EDATEC IPC/EXP unified board overlay
>
> [Test Plan]
>
> * Compile tested
> * Boot tested
> * No impacts to existing features found
>
> Install the built packages, reboot the machine with correct config.txt and CAN MCP2515 and
> RTC PCF8563T should work.
>
> [Regression potential]
>
> Relatively low, as only a Devicetree overlay from upstream is added.
>
> zjzhao (1):
>    overlays: ed-ipc: Add EDATEC IPC/EXP unified board overlay
>
>   arch/arm/boot/dts/overlays/Makefile           |   1 +
>   arch/arm/boot/dts/overlays/README             |  53 ++++
>   arch/arm/boot/dts/overlays/ed-ipc-overlay.dts | 279 ++++++++++++++++++
>   3 files changed, 333 insertions(+)
>   create mode 100644 arch/arm/boot/dts/overlays/ed-ipc-overlay.dts
>
Got the subject in the patch wrong, left out the "[SRU][R:linux-raspi]" 
part in the actual patch. New patch with subject 
"[SRU][R:linux-raspi][PATCH v2 0/1] Add EDATEC IPC/EXP unified board 
overlay" sent.




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