On Mon, 20 Nov 2006 12:00:36 +0100 Stefan Roese <ml at stefan-roese.de> wrote:
> This patch fixes a problem seen on multiple 4xx platforms, where > the UART0 interrupt number is 0. The macro "is_real_interrupt" lead > on those systems to not use an real interrupt but the timer based > implementation. NAK. Zero means "no interrupt" in the Linux space. If you have a physical IRQ 0 remap it to a convenient number (eg map IRQ's + 1, or stick it on the end). The logical and physical IRQ numbering in Linux don't have to match up - and given some platforms have IRQ numbering per bus and the like clearly doesn't in many cases.
