Re: how I know if a interrupt is ioapic_edge_type or ioapic_level_type? [Was Re: [Fwd: Re: [Linux-usb-users] Fwd: Re:2.6.17-rc6-mm2 - USB issues]]

[Sergio Monteiro Basto]

who no, how sorry! I am a little tired 

On Wed, 2006-06-21 at 17:47 -0700, Randy.Dunlap wrote: 
> On Thu, 22 Jun 2006 01:36:46 +0100 Sergio Monteiro Basto wrote:
> 
> > who I do know if a interrupt is ioapic_edge_type or ioapic_edge_type ? 
> 
> Do you mean how they are configured in a running kernel?

yes, I want to know in 
linux-2.6.13/drivers/pci/quirks.c
when I am going quirk the PCI_VIA irq, if this irq is in
IO-APIC-something or is in XT-PIC , to decide if I quirk the interrupt
or not 


> 
> cat /proc/interrupts ::
> 
>            CPU0       CPU1       
>   0:   12412944   12407808    IO-APIC-edge  timer
>   1:     122673     124208    IO-APIC-edge  i8042
>   7:          0          0    IO-APIC-edge  parport0
>   9:          0          0   IO-APIC-level  acpi
>  12:    1141950    1138138    IO-APIC-edge  i8042
>  14:    1107749    1109102    IO-APIC-edge  ide0
>  58:     451498          0         PCI-MSI  eth0
>  66:     530689     495356         PCI-MSI  libata
>  74:          0          0   IO-APIC-level  ehci_hcd:usb1, uhci_hcd:usb6
>  82:         31          3   IO-APIC-level  ohci_hcd:usb2, ohci_hcd:usb3, ohci_hcd:usb4, ohci_hcd:usb5
>  90:        561        492   IO-APIC-level  HDA Intel
> 169:          3          0   IO-APIC-level  ohci1394
> 177:          0          0   IO-APIC-level  uhci_hcd:usb8
> 185:          0          0   IO-APIC-level  uhci_hcd:usb7
> 193:          0          0   IO-APIC-level  uhci_hcd:usb9
> 
> 
> or how they should be configured in case you are not sure?
> See a hardware spec. for that.
> 
> 
> > On Wed, 2006-06-21 at 20:50 +1000, Johny wrote:
> > > Success :)
> > > 
> > > I simply made the change 
> > > manually, based on your and others' inputs (it seemed the simpler
> > > option).
> > > 
> > > Both kernels now boot, and all USB devices are recognised correctly.
> > > 
> > 
> > > I run in XT_PIC mode for interrupts.
> > > 
> > 
> > Hi, thanks for your positive test on "my" theory.
> > 
> > Here it goes the link that I talked about on last email 
> > http://lkml.org/lkml/2005/8/18/92 (you can read the previous messages on
> > this thread) 
> > 
> > The patch of this link doesn't compile (at least for me), but have a
> > simple idea, which is just quirk the VIA_PCIs if they are in XT_PIC mode
> > and I think that is the way of this quirks should go.
> > 
> > So someone help me out and do a patch that recognize if the interrupt is
> > in XT-PIC mode or not ? 
> > 
> > Thanks,  
> > -- 
> > Sérgio M. B.
> > 
> 
> 
> ---
> ~Randy

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