> -----Original Message----- > Hi everybody, > > I'm trying to write a driver for a custom extension bus > mapped in my MPC8248 > memory space. > > The bus has 32 interrupt lines which are handled by an > interrupt controller > connected to a single external interrupt on the MPC8248. > > I've had a look at the Linux interrupt management code, but > haven't found any > easy API to add an external interrupt controller. Could
No, the linux kernel has this feature. > someone give me a few > pointers regarding how to proceed ? I would like to > "register" the interrupt > controller with the interrupt management core, so that > request_irq()/free_irq() could be used with the extra interrupts. > Need define the struct hw_interrupt_type <your_interrupt_controller> and the struct irqaction <your_irqaction>, and implement member function and hook your interrupt controller to The interrupt controller of MPC8248 with setup_irq. -Dave
