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    SubjectRe: searching for pci busses
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    Jon Smirl napsal(a):
    > On 5/30/06, Greg KH <gregkh@suse.de> wrote:
    >> On Mon, May 29, 2006 at 05:59:39PM -0400, Jeff Garzik wrote:
    >> > Greg KH wrote:
    >> > >On Sun, May 28, 2006 at 01:12:26AM +0159, Jiri Slaby wrote:
    >> > >>Hello,
    >> > >>
    >> > >>I want to ask, if there is any function to call (as we debated with
    >> > >>Jeff), which
    >> > >>does something like this:
    >> > >>1) I have some vendor/device ids in table
    >> > >>2) I want to traverse raws of the table and compare to system
    >> devices,
    >> > >>and if
    >> > >>found, stop and return pci_dev struct (or raw in the table).
    >> > >
    >> > >What's wrong with pci_match_id()?
    >> > >
    >> > >Or just using the pci_register_driver() function properly, which
    >> handles
    >> > >all of this logic for you?
    >> >
    >> > These aren't PCI devices proper. These are embedded non-PCI devices,
    >> > which must search for an unrelated PCI device to figure out what
    >> type of
    >> > platform they are on.
    >>
    >> Ok, then use pci_match_id() or pci_get_device().
    >
    > This is how DRM does it...
    >
    > for (i = 0; driver->pci_driver.id_table[i].vendor != 0; i++) {
    > pid = (struct pci_device_id
    > *)&driver->pci_driver.id_table[i];
    >
    > pdev = NULL;
    > /* pass back in pdev to account for multiple identical
    > cards */
    > while ((pdev =
    > pci_get_subsys(pid->vendor, pid->device,
    > pid->subvendor,
    > pid->subdevice, pdev)) != NULL) {
    > /* stealth mode requires a manual probe */
    > pci_dev_get(pdev);
    > drm_get_dev(pdev, pid, driver);
    > }
    > }
    > return 0;
    >
    >
    It's similar to code in my root post, so thanks for replies, it's maybe the best
    way.

    thanks,
    - --
    Jiri Slaby www.fi.muni.cz/~xslaby
    ~\-/~ jirislaby@gmail.com ~\-/~
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