ls1046a how to use IRQ0~11 in kernel?

[Rainight]

RCW

         

Reference Mamnul

    

DTS

     

I want to known How to use IRQ0~11 in kernel module independly without "of function"?

and I use follwed code , but all failed。

        irq = 167;
        //irq = 167 - 32;
        //irq = 3;
        //no = irq_create_mapping(NULL, irq);
        irq_set_irq_type(irq , IRQ_TYPE_LEVEL_LOW);
        ret = request_irq(irq, irq_data_handle, IRQF_SHARED, "irqdata", &self);

[Pavel]

Use also the "cat /proc/interrupts" command.

See the following document:

https://www.thegeekstuff.com/2014/01/linux-interrupts/

[Pavel]

There is a lot of information about IRQ using under Linux.

For example see the following pages:

https://www.kernel.org/doc/html/latest/core-api/irq/concepts.html#:~:text=An%20IRQ%20is%20an%20inter....

https://www.kernel.org/doc/html/v4.12/core-api/genericirq.html

https://www.oreilly.com/library/view/understanding-the-linux/0596005652/ch04s06.html

https://stackoverflow.com/questions/14082048/startup-code-for-linux-irq-interrupt-hander-for-arm

http://venkateshabbarapu.blogspot.com/2012/09/interrupt-handling-in-arm.html