Re: IRQ autodetection

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On Fri, Feb 17, 2006 at 01:55:16PM -0500, Medeiros Edward M NPRI wrote:
> Hello,
> 
> 
> I have a PCI driver that is capable of generating interrupts.   To get
> the IRQ number I read it from config space with the following:
> 
>             result = pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &myirq);
> 
>             If(result) {
> 
>                         // Handle error.
> 
>             }
> 
> The problem is that the value returned "myirq" is 11 and the correct
> IRQ value is 169.   Does anyone know what I am doing wrong to
> auto-detect the IRQ number of my PCI board???

Did you call "pci_enable_device()" before reading that value?

Also, just use the dev->irq value, you don't have to read it in again
from the config space.

thanks,

greg k-h

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