Re: [PATCH] ata: Don't use NO_IRQ in pata_of_platform driver

Russell King - ARM Linux
2011-12-06T11:50:47Z

On Tue, Dec 06, 2011 at 11:37:35AM +0000, Dave Martin wrote:
> 1) All OF code and drivers should be migrating to use 0 instead of NO_IRQ
> for the no-interrupt case. Code which receives irq numbers directly
> from the OF framework and refers to NO_IRQ, or expects 0 to be a valid
> needs to be fixed.
>
> 2) Where we hit a problem, board code needs to be adapted to remap HW IRQs
> 0-15 to different software values. (This could be done using irq
> domains, or not)

No AMBA driver I'm aware of ever uses an IRQ number 0 or is passed such
an IRQ number.