gpio_request_by_name IS UNDEFINED IN UBOOT SOURCE

General Discussion
1

hi everyone, when i doing led control in uboot on beaglebone black i have an problem that the gpio_request_function is deprecated in new source code uboot so please tell me how to fixed it and what is another function that i can use to request gpio in uboot

Here is error:

/home/vietduc/work/beagle_bone_black/gcc-11.3.0-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi-ld.bfd: drivers/demo_led/demo_led.o: in function led_gpio_probe': /home/vietduc/work/beagle_bone_black/u-boot/drivers/demo_led/demo_led.c:56: undefined reference to gpio_request_by_name’
make[1]: *** [scripts/Makefile.spl:527: spl/u-boot-spl] Error 1
make: *** [Makefile:2053: spl/u-boot-spl] Error 2

2

nếu ông clone bản uboot new từ denx thì bản đó bị lỗi đó ông, ông lấy của digikey cho BBB rồi chỉnh sửa lại

Translation from translate.google.com:

If you clone the new uboot version from denx, that version has an error. You can take it from digikey for BBB and then edit it again.

3

hi a, em có dùng bản 2020 thì ok, có vẻ như cái hàm gpio_request_by_name kia ko còn dùng được trong code mới nữa. A cho e xin link với ạ