Date: Tue, 9 Nov 2004 14:52:45 -0800
From: Greg KH <greg@kroah.com>
To: Kay Sievers <kay.sievers@vrfy.org>, dtor_core@ameritech.net
Cc: linux-kernel@vger.kernel.org
Subject: Re: /sys/devices/system/timer registered twice
Message-ID: <20041109225245.GB7618@kroah.com>
References: <20041109193043.GA8767@vrfy.org>
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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?

thanks,

greg k-h
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