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    SubjectRe: [PATCH] PnP Changes for 2.5.72
    On Thu, Jun 19, 2003 at 11:42:49PM +0000, Adam Belay wrote:
    > I removed avoid_irq_share because the current pnp code, like the previous, does
    > not allow irq sharing. Also it corrupts the device rule structure by replacing
    > it with modified values that may not apply after devices are disabled etc.
    > Is there a set of conditions I could follow to determine if a serial pnp device
    > is capable of irq sharing, and also with which other devices can a capable
    > device share an irq? If so, I could have the resource manager handle this type
    > of situation when few irqs are available.

    The problem is one of a lack of historical information on why it was
    added. The driver itself allows serial ports to share interrupts between
    themselves. Maybe tytso knows why the "Rockwell 56K ACF II Fax+Data+Voice
    Modem" is unable to share IRQs?

    Russell King ( The developer of ARM Linux

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