linux-kernel - Re: magicmouse: claimed by neither input, hiddev nor hidraw

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Date:	Mon, 10 May 2010 22:28:32 -0400
From:	Michael Poole <mdpoole@...ilus.org>
To:	"Justin P. Mattock" <justinmattock@...il.com>
Cc:	Jiri Kosina <jkosina@...e.cz>, linux-bluetooth@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: magicmouse: claimed by neither input, hiddev nor hidraw

Justin P. Mattock writes:

> On 05/10/2010 02:52 PM, Jiri Kosina wrote:
[snip]
>> This sounds a bit strange.
>>
>> hidraw shouldn't be making too much difference in the case you describe.
>> hidraw is basically just a mean of relaying HID events to userspace so
>> that any driver/application in userspace can access them. But magicmouse
>> driver is written completely in kernelspace.
>>
>> Does anything on your system have /dev/hidraw* nodes open? (you could
>> check by lsof).
>>
>
>
> right now I see
> /dev/hidraw0,1,2,3
>
> ./lsof | grep /dev
> (showing bluetooth)
>
> bluetooth 2020   root    0u      CHR                1,3       0t0 2551
> /dev/null
> bluetooth 2020   root    1u      CHR                1,3       0t0 2551
> /dev/null
> bluetooth 2020   root    2u      CHR                1,3       0t0 2551
> /dev/null
> bluetooth 2020   root   14u      CHR              10,62       0t0 3895
> /dev/rfkill
>
> I can try a bisect on this and see.

A list of which patches you have applied would also be helpful.  The
standard 2.6.33.* kernels predate the merge of the hid-magicmouse
driver, but the dmesg entry you pasted makes it look like the driver was
present.

Michael Poole
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