On Mon, 20 Nov 2006 12:00:36 +0100
Stefan Roese <[email protected]> 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.
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