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Updating OpenSTLinux image after editing DTS file.

ienecode
Associate III

Hi,

I am built OpenSTLinux with below configuration:

 

uild Configuration:
BB_VERSION           = "2.0.0"
BUILD_SYS            = "x86_64-linux"
NATIVELSBSTRING      = "universal"
TARGET_SYS           = "arm-ostl-linux-gnueabi"
MACHINE              = "stm32mp1"
DISTRO               = "openstlinux-eglfs"
DISTRO_VERSION       = "4.0.19-snapshot-20250205"
TUNE_FEATURES        = "arm vfp cortexa7 neon vfpv4 thumb callconvention-hard"
TARGET_FPU           = "hard"
DISTRO_CODENAME      = "kirkstone"
ACCEPT_EULA_stm32mp1 = "1"
GCCVERSION           = "11.%"
PREFERRED_PROVIDER_virtual/kernel = "linux-stm32mp"
meta-python          
meta-oe              
meta-gnome           
meta-initramfs       
meta-multimedia      
meta-networking      
meta-webserver       
meta-filesystems     
meta-perl            = "HEAD:402affcc073db39f782c1ebfd718edd5f11eed4c"
meta-st-stm32mp      = "HEAD:b7accec80a2903c75d4129cf2b3bf6e15f5410c0"
meta-qt5             = "HEAD:ae8a97f79364bed1abc297636f7933d0e35f22be"
meta-st-openstlinux  = "HEAD:613b158e6ee5b575e7de1251eae389c72e376043"
meta                 = "HEAD:ab2649ef6c83f0ae7cac554a72e6bea4dcda0e99"

 

I flashed image to STM32MP1 and works everything !

Problem is appear when I try edit *.dts file , because after change, I have to manually compile device tree., like is described:

How_to_compile_the_device_tree_with_the_Developer_Package 

and send to target device with earlier prepared system image.

 

According to information found on the Internet I should only edit *.dts file in location:

 

cd ostlecosys4.1.2/build-openstlinuxeglfs-stm32mp1/tmp-glibc/work-shared/stm32mp1/kernel-source/arch/arm/boot/dts 

 

Then go back to the directory:

 

developer@developer-VirtualBox:~/ostlecosys4.1.2$ ls
build-openstlinuxeglfs-stm32mp1  layers

 

and run the build :

 

DISTRO=openstlinux-eglfs MACHINE=stm32mp1 source layers/meta-st/scripts/envsetup.sh
bitbake st-example-image-qt

 

Once built, the image doesn't update. No change according with edited *dts file.

 

Please help , what did I do wrong ?

 

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