On Mon, Sep 17, 2001 at 07:47:19PM -0500, Ravindra G C wrote:
> I am trying to write a module to scan PCI devices based on Vendor
> Id and Device Id. I am trying to find the device (returned by
> pci_find_device) and access the pci_dev fields(like
> irq).
> Compilations is giving problems.
>
>
> CODE goes here..
> struct pci_dev *d=NULL;
> int irq;
> do{
> d=(struct pci_dev*)pci_find_device(VENDOR_ID,DEVICE_ID,d);
No need to cast this, pci_find_device() returns a struct pci_dev
pointer.
> count++;
> } while (d!=NULL);
I think you have to configure the device first over here, otherwise it
doesn't even have an interrupt. See Documentation/pci.txt.
> irq= d->irq; // Compilation error here
Oh, and *always* compile with "-O2" or the compile phase *will* fail.
Erik
--
J.A.K. (Erik) Mouw, Information and Communication Theory Group, Department
of Electrical Engineering, Faculty of Information Technology and Systems,
Delft University of Technology, PO BOX 5031, 2600 GA Delft, The Netherlands
Phone: +31-15-2783635 Fax: +31-15-2781843 Email: J.A.K.Mouw@its.tudelft.nl
WWW: http://www-ict.its.tudelft.nl/~erik/
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