On 10/09/2019 09.12, Lorenzo Bianconi wrote:
probably a silly question..are you tracing the interrupt line with an
oscilloscope or a logical analyser? If you dump interrupt counters in
/proc/interrupts will you see an interrupt storm for the selected irq
pin?
Not a silly question ;-)
An Oscilloscope :-)
The interrupt counter is stopping.
If I switch to IRQ_TYPE_LEVEL_HIGH, (to test if additional readings of
the event and FIFO registers would help. It results in interrupt storm
and the line continues to stay high.
/Sean