I have a device driver which works just fine on the pxa270 (2.6.26
linux)
In trying to get it working on the MCF5282, I find I get a bunch of
interrupts recorded when in reality I should only have one.
I see 44 interrupts instead of 1 (watching the interrupt line on a
scope). I'm using the edge port module IRQ line #6.
If I configure it as an edge interrupt (on the chip), I have to
acknowledge it, but otherwise, see no change in behavior - I still
see a bunch of interrupts recorded in /proc/interrupts.
The uclinux port of the M5282 (and coldfire in general) seems to have
only very rudimentary interrupt handling.
Any insights?
-
allon
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