Messages in this thread | | | Date | Wed, 4 Aug 1999 19:24:58 +0200 | From | Martin Mares <> | Subject | Re: PCI IRQ initialisation in pci.c |
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Hello,
> After having problems with interrutpts after enabling USB support > I configured one of the PCI devices to use a different IRQ > with "setpci -v -s5.0 62.b=9". Unfortunately this breaks the > FIR (toshoboe) driver since pci_find_device() returns a pci_dev > structure with the IRQ that was found at pci.c initialisation. > > Wouldn't it be more correct for volatile PCI registers to be > read at driver initialisation time rather than PCI subsystem > initialisation? Perhaps in pci_find_device().
I'll probably introduce an ioctl for setting of these kernel structures on a live system.
By the way, what interrupt problems do you exactly have? Unless there is a hardware bug or something rotten in the drivers, interrupt sharing should work fine on PCI.
Have a nice fortnight -- Martin `MJ' Mares <mj@ucw.cz> http://atrey.karlin.mff.cuni.cz/~mj/ Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth "For every complex problem, there's a solution that is simple, neat and wrong."
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