Re: [PATCH 2.6.9-rc2-mm2] Create new function to see if pci dev is present

From: Greg KH
Date: Fri Sep 24 2004 - 16:23:55 EST


On Fri, Sep 24, 2004 at 08:02:31PM +0100, Christoph Hellwig wrote:
> On Thu, Sep 23, 2004 at 03:26:40PM -0700, Hanna Linder wrote:
> >
> > Greg asked in a previous janitors thread:
> > "What we need is a simple "Is this pci device present right now" type
> > function, to solve the mess that logic like this needs."
> >
> > OK. How about this one? It uses pci_get_device but instead of returning
> > the dev it returns 1 if the device is present and 0 if it isnt. This take the
> > burdon off the driver from having to know when to use pci_dev_put or
> > not and should be cleaner for future maintenance work.
> >
> > Ive tested it with two patches that will follow.
>
> Please include subdevice/subvendor id

Good idea, but do you see any places in the kernel that would use those
fields, instead of always setting them to PCI_ANY_ID?

thanks,

greg k-h
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