老驱动模块在高版本内核编译下错误解决 错误一:scripts/Makefile.build:49: *** CFLAGS was changed in "/home/zjn/workdir/mytest/kermod/dma_i2c/Makefile". Fix it to use EXTRA_CFLAGS. Stop.将Makefile中CFLAGS 全部改成 EXTRA_CFLAGS错误二:/home/zjn/workdir... 2023-06-13 老驱动模块高版本内核编译嵌入式文章软件开发嵌入式OS