module_init( your_init_func) will do. Depending on flags (-DMODULE )
it will be taken care.
On Tuesday 05 October 2004 10:30, Mandeep Sandhu wrote:
>> just a small Q. what are the changes required for making a modular
>> driver a built-in one??? Are the entry/exit points of a module
>> ([init/cleanup]_module) called for a built-in one too? I think the
>> answer wud be no....but i'm not too sure. What fxn.s are called
> The init / cleanup functions are called even in built-in case. Have a look
>at include/linux/init.h. The __init macro is what handles the job. In case a
>component is built as a module, these reduce to nothing. In case it is built
>in to the main kernel, the __init macro effectively puts that function into
>the text init portion
>#define __init __attribute__ ((__section__ (".init.text")))
> Now, when the kernel boots up, there is a call to do_initcalls() from
> do_basic_setup(). This function calls each of the functions in the .init.text
> section (the for loop) and thus initializes the components.
> The above is my understanding.. do correct me if anything is wrong.
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