Messages in this thread | | | Date | Fri, 20 Jun 2003 06:55:47 +0100 | From | Russell King <> | Subject | Re: [PATCH] PnP Changes for 2.5.72 |
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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 (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html
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