User Activity

The 'of_device_id' in my module is as follows:static const struct of_device_id gcnano_of_match[] = { { .compatible = "st,gcnano" }, { .compatible = "vivante,gc" }, { /* end node */ } };In the device tree:compatible = "vivante,gc";When usi...
I built the root file system using 'build root', which previously automatically loaded 'galcore. ko' when the system started. But today I accidentally reset the configuration of 'build root', and since booting up, this module has been unable to load ...
I used buildroot to build the root file system and encountered the following error while running the qt example:penat(AT_FDCWD, "/dev/galcore", O_RDWR) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/dev/graphics/galcore", O_RDWR) = -1 ENO...
I am using the latest OpenSTLinx (5.1.0) Linux version: 6.1.28, and it can display normally when using the official root file system (st-image-eston-openstrinux-eston-stm32mp1. ext4), as shown in the figure below. However, when I use the root file sy...
The power supply part of the board I made myself did not use "stpmic", but used a discrete power supply. I encountered an issue when porting OpenSTLinux (5.1.0). After modifying the power supply in the "u boot" device tree and using "STM32CubeProgram...