On Sat, 24 Jul 2010, Dave Hylands wrote:
> Hi Robert,
>
> On Sat, Jul 24, 2010 at 6:25 AM, Robert P. J. Day wrote:
> >
> > (i'm sure i can eventually track this down, but maybe someone can
> > save me the time.)
> ...snip...
> > fair enough. now, however, i'd like to find (again, on my ubuntu
> > 10.04 system) an example driver that uses dynamic minor number
> > allocation and that's *not* built into the kernel so i can use that as
> > a demo of what happens when one loads such a driver. and, so far, i
> > haven't found an example like that yet -- every driver that does that
> > is, on this system, configured to be built into the kernel.
> >
> > anyone know of such an example? i briefly grep'ped thru drivers/
> > for the macro MISC_DYNAMIC_MINOR but every example i saw was, on this
> > system, configured to be built into the kernel.
>
> I'm just in the process of upgrading to 10.04, so I don't have a
> definitive answer, but you could try the following
>
> cd /lib/modules/2.6.whatever
> grep -r misc_register *
>
> That seems to come up with quite a few potential candidates.
true, but that doesn't distinguish between drivers that have a
reserved minor number, and those that request a dynamic one. i'm sure
there's a simple solution to this, i just don't know what it is.
rday
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Robert P. J. Day Waterloo, Ontario, CANADA
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