Re: /sys/devices/system/timer registered twice

Dmitry Torokhov
2004-11-09T23:19:58Z

On Tue, 9 Nov 2004 14:52:45 -0800, Greg KH <greg@kroah.com> wrote:
>
>
> On Tue, Nov 09, 2004 at 08:30:43PM +0100, Kay Sievers wrote:
> > Hi,
> > I got this on a Centrino box with the latest bk:
> >
> > [kay@pim linux.kay]$ ls -l /sys/devices/system/
> > total 0
> > drwxr-xr-x 7 root root 0 Nov 8 15:12 .
> > drwxr-xr-x 5 root root 0 Nov 8 15:12 ..
> > drwxr-xr-x 3 root root 0 Nov 8 15:12 cpu
> > drwxr-xr-x 3 root root 0 Nov 8 15:12 i8259
> > drwxr-xr-x 2 root root 0 Nov 8 15:12 ioapic
> > drwxr-xr-x 3 root root 0 Nov 8 15:12 irqrouter
> > ?--------- ? ? ? ? ? timer
> >
> >
> > It is caused by registering two devices with the name "timer" from:
> >
> > arch/i386/kernel/time.c
> > arch/i386/kernel/timers/timer_pit.c
> >
> > If I change one of the names, I get two correct looking sysfs entries.
> >
> > Greg, shouldn't the driver core prevent the corruption of the first
> > device if another one tries to register with the same name?
>
> Hm, this looks like an issue for Dmitry, as there shouldn't be too
> sysdev_class structures with the same name, right?
>

I agree, but I think you got the wrong man here ;) You need to talk to
Venkatesh.

http://linux.bkbits.net:8080/linux-2.5/cset@41810e4aGZ0E5bn_hMb4JgIY5u90zA?nav=index.html|src/.|src/arch|src/arch/i386|src/arch/i386/kernel|related/arch/i386/kernel/time.c

--
Dmitry