From: David Miller <davem@xxxxxxxxxxxxx>
Date: Sun, 05 Nov 2006 13:27:49 -0800 (PST)
> From: andrew@xxxxxxxxxxx
> Date: Sun, 5 Nov 2006 12:05:47 +0000
>
> > kobject_add failed for fhc with -EEXIST, don't try to register things
> > with the same name in the same directory.
> > Call Trace:
> > [0000000000427ba8] of_device_register+0x2c/0x60
> > [000000000076cf80] scan_one_device+0x8b8/0x924
> > [000000000076d000] scan_tree+0x14/0x3c
> > [000000000076d0c4] of_bus_driver_init+0x9c/0xa4
> > [0000000000416b24] init+0x168/0x360
> > [0000000000417578] kernel_thread+0x38/0x48
> > [0000000000416d34] rest_init+0x18/0x34
> > /fhc: Could not register of device.
> >
> >
> > Well, 8 to be precise. (= # slots in the e4000 ?)
> >
> > Any clues what this is about, and how to fix it?
>
> This should be easy to fix, thanks for the report. I'll take
> a look.
You're missing some patches or something. In currnet 2.6.18.2
and also 2.6.19-rc2, the code in of_device.c reads:
if (!parent)
strcpy(op->dev.bus_id, "root");
else
sprintf(op->dev.bus_id, "%08x", dp->node);
if (of_device_register(op)) {
Therefore it should be registering devices either as "root"
or as a unique 8 character hexidecimal number string.
"fhc" is neither.
Again, you're likely missing some of the recent bug fixes
in this area.
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