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Old 03-07-2003, 03:47 PM   #1
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Registered: Mar 2003
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Serial Port Driver- Interrupt Invoking Problem

Hi All,

I am trying to override Interrupt Vector Table, using function.

When i send data from other PC to this linux PC, i find that
IRQ 4 interrupt is not invoked.

I checked for following:

1) request_irq(...) returns success which indicated that IVT is modified.

2) Interrupt Enable bit 0 is set to 1,to enable interrupt for incoming data on serial port.

3) Looking at file /proc/Interrupt, i see that mydriver interrupt is

Please help, i need to find out why my interrupt is not being invoked,or if it is ,then why interrupt handler is not being called.



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