linux-kernel - Re: [linux-usb-devel] [RFC] HID bus design overview.

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Date:	Thu, 05 Apr 2007 09:25:58 +0800
From:	Li Yu <raise.sail@...il.com>
To:	Jiri Kosina <jkosina@...e.cz>
CC:	Li Yu <raise.sail@...il.com>, yanghong@...ss.com.cn,
	linux-usb-devel <linux-usb-devel@...ts.sourceforge.net>,
	hongzhiyi@...ss.com.cn, Marcel Holtmann <marcel@...tmann.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [linux-usb-devel] [RFC] HID bus design overview.

Jiri Kosina wrote:
> BTW as soon as you have some presentable code, could you please send
> it so
> that we could see what aproach you have taken? Debating over code is 
> usualy more efficient than just ranting random ideas :)
>
>   
There is a "presentable patch" in the attachment ;)

so far, the bluetooth also can not work :( TODO, TODO

TODO list include usbhid blacklist match logic should be move to HID
core too.

But It have a very very strange problem on my PC yet. I have two USB
input devices at that machine, one is a wireless mouse, another is a
joystick. When I unplug joystick, the input_dev of mouse also will be
unregistered, I found the unregister_hid_device() is called from
hid_disconnect().

I can sure the hardware have no problem, they work fine under 2.6.17.9
without any change of kernel. May, I doublt it is caused by illegal
memory access likely, or I failed to understand USB core ?! FIXING, The
fun also here.

The hiddump is good idea, I like, however, I think hidraw just is it.
the hiddump is one application of hidraw. is it right?

Good luck.

- Li Yu

Download attachment "hidbus.prototype.070404.patch.gz" of type "application/x-gzip" (21847 bytes)