How can add header file into kernel source code?

Hi Yordan,
Thank for your reply,
I do it adready, add forder /duong into <kernel_src>/include/ directory, but when i use #include <duong/a.h>, compiler have error : No such file or directory.

Hi Nguyen,

can you post the output of the command "ls -l include/duong" and also the complete fragment of the compiler error?

Thanks,
Yordan

Hi Yordan,
Many thanks for your help,
This is result when i try command : "ls -l include/duong"
"ls: cannot access include/duong: No such file or directory"

I use SDK Processor for AM5728, kernel 4.1

Where are the C files located ?
Is that kernel module driver and where is the location ?
Is it from kernel source directory or out of kernel source (as module driver) ?

Hi Titusrathinaraj,
Thank for your reply.
My kernel source located in directory:
/opt/ti-processor-sdk-linux-am57xx-evm-02.00.01.07-es2.0/board-support/linux-4.1.13+gitAUTOINC+8dc66170d9-g8dc6617

And i want to add header file into /opt/ti-processor-sdk-linux-am57xx-evm-02.00.01.07-es2.0/board-support/linux-4.1.13+gitAUTOINC+8dc66170d9-g8dc6617/include

For which driver, you are using the "#include <duong/a.h>" include file ?

It should work if you used the driver from the following location.
/opt/ti-processor-sdk-linux-am57xx-evm-02.00.01.07-es2.0/board-support/linux-4.1.13+gitAUTOINC+8dc66170d9-g8dc6617/drivers

I use the "#include <duong/a.h>" for both my driver in kernel and my application in user space, :)

I use the "#include <duong/a.h>" for both my driver in kernel and my application in user space, :)

Where you are having the your driver code (location of your driver code) ?
Inside the linux kernel source or outside with seprate Makefile ?