Re: No interrupts coming to device driver.

From: Alexander Nedotsukov (bland_at_FreeBSD.org)
Date: 11/11/05

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    Date: Fri, 11 Nov 2005 13:02:47 +0900
To: hselasky@c2i.net

    Hans Petter Selasky wrote:
    > On Thursday 10 November 2005 09:50, Alexander Nedotsukov wrote:
    >
    >> Hi,
    >>
    >> I trying to create small lirc (www.lirc.org) compatible CIR driver for
    >> it8705 chip (sits on ISA bus). My problem is I can not get interrupts
    >> coming to driver. I believe I configured chip (carrier freq. + baudrate
    >> divisor) and enabled interrupt mode the same way it windows driver does.
    >> It also seems to be correct according to chip specs. But nothing. vmstat
    >> -i shows zeros for assigned irq. And my IRS stay cold. I wrote small
    >> userland program which polls CIRs IIR (interrupt identefication
    >> register) and it shows interrupt pending bit set on right after I press
    >> key on remote control. Looks like I missed something fundamental. Does
    >> anyone can give me a hint where to look?
    >>
    >>
    >
    > Sounds like you have an unacknowledged interrupt. Does it help if you call the
    > interrupt handler once after that your chip has been reset and configured?
    >
    Did you mean unacknowledged to chip or interrupt controller? Anyway
    calling interrupt handler right after initialization does not seem to help.
    > Else sharing some of the source code might help.
    >
    Here you are: http://bbnest.net/~bland/it87pub/

    Alexander.

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