On 28/10/2019 10:43, Irfan Ullah (울라 이르판) wrote:
> Thanks for the help. I have removed the "static" from the hello_init,
> hello_exti but nothing worked. I am not sure, but I think the problem is
> with the make file.

OK, when I add "static" to my driver, it works too. Sry for the confusion.

I have also __init with the init function and __exit with the
exit function.

MfG,
        Bernd
--
"I dislike type abstraction if it has no real reason. And saving
on typing is not a good reason - if your typing speed is the main
issue when you're coding, you're doing something seriously wrong."
    - Linus Torvalds