[RFC 10/10] irqchip: Make versatile fpga irq driver a generic chip

[Russell King - ARM Linux]

On Mon, Jun 10, 2013 at 01:49:22AM +0100, Grant Likely wrote:
> This is an RFC patch to convert the versatile FPGA irq controller driver
> to use generic irq chip. It builds on the series that extends the
> generic chip code to allow a linear irq domain to contain one or more
> generic irq chips so that each interrupt controller doesn't need to hand
> code the generic chip setup.

NAK, this makes functional changes.  You assume that the validity mask is
a set of zeros followed by a set of ones.  This is not always the case.
The PIC on Integrator/CP only has bits 29-22 and 11-0 set because 21-12
are not valid.