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SubjectRe: [RFC][PATCH] add driver matching priorities
On Thu, 10 Feb 2005 10:33:38 -0800, Greg KH <> wrote:
> On Thu, Feb 10, 2005 at 12:18:37PM -0500, Adam Belay wrote:
> >
> > The second "*match" function in "struct device_driver" gives the driver
> > a chance to evaluate it's ability of controlling the device and solves a
> > few problems with the current implementation. (ex. it's not possible to
> > detect ISA Modems with only a list of PnP IDs, and some PCI devices
> > support a pool of IDs that is too large to put in an ID table).
> What deficiancy in the current id tables do you see? What driver has a
> id table that is "too big"? Is there some way we can change it to make
> it work better?

Stepping a bit farther away - sometimes generinc matching is not
enough to determine if driver suits for a device - actual probing is
needed (consider atkbd and psmouse - they can both attach to the same
port but we can't determine if it is a keyboard or mouse until we
started probing)
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