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Hello I'm trying to write a loadable kernel module driver. I get an error during compilation: ERROR: modpost: "platform_device_alloc" [/home/rdm/ethtest/eth-ins.ko] undefined! Do I need something to set in the Kernel Config? Helloworld works as LKM.

#include <linux/platform_device.h>#include <linux/module.h#include <linux/types.h>MODULE_LICENSE("GPL");MODULE_AUTHOR("Robert W. Oliver II");MODULE_DESCRIPTION("A simple example Linux module.");MODULE_VERSION("0.01");static struct platform_device *pd...

NKorn.3 by • Associate
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FDCAN not working properly

I am trying to enable FDCAN on STM32MP157C. I modified Linux Kernel (STM32MP15-Ecosystem-v2.0.0) and U-Boot, following the steps explained in the Developer Package guide. I get these messages, which are suggesting I setup everything correctly.root@st...

JYune by • Associate II
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  • 4 replies
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STM32MP157A-DK1 update kernel

I Installed the Development on my host machine and builded a Kernel with this tutorial:https://github.com/STMicroelectronics/meta-st-stm32mp/blob/dunfell/recipes-kernel/linux/linux-stm32mp/README.HOW_TO.txtbut afther the reboot my scren keeps beeing ...

SAman.1 by • Associate III
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  • 5 replies
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Enable SPI5 on STM32MP157C-DK2 board

Hi everyone,I want to make a LoRa gateway using the STM32MP157C-DK2 and ICC880A-SPI boards. For that, I have to implement SPI communication between the two boards. I already did the hardware connections, but I am not able to enable SPI on the STM32MP...

LewisN by • Associate
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  • 1 replies
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Resolved! Faster OpenAMP communication to M4 core

STM32MP157-DK2 with Buildroot image.I'm running a Qt app on the A7 core and using QSerial to talk to the M4 core using OpenAMP to talk through ttyRPMSG0. Right now it takes ~10ms to send/receive from Qt to M4. Is there anything I can do to decrease...

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