linux-kernel - Re: [REGRESSION] "bind" a device to a driver doesn't not work anymore

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Date:	Thu, 15 Oct 2009 21:32:23 +0200
From:	Éric Piel <Eric.Piel@...mplin-utc.net>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Greg KH <gregkh@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>
Subject: Re: [REGRESSION] "bind" a device to a driver doesn't not work	anymore

Op 15-10-09 20:13, Dmitry Torokhov schreef:
> It lokks like the keyboard controller switched from translated to
> non-translated mode: '1c' is make code and 'f0 1c' is break (aka
> release) code.
>
> Could you tell me how the keyboard indentified (in dmesg) after fresh
> boot and after you do the bind/unbind trick on the older kernel?
>
What do you mean by "how the keyboard indentified"? Are you asking for 
the debug trace in dmesg? I have the beginning of a boot with the debug 
trace to see after a fresh boot. I don't have dmesg history with 
i8042.debug of the bind/unbind trick, so I'll reboot in an old kernel 
and do it again (but I cannot do this before tuesday, when i have 
physical access to the machine).

> sftp://piel@...alhost:2226/home/piel/busy/i8042-begin-boot-keyboard.dmesg

> BTW, do you have i8042.reset parameyer on your command line? What
> happens if you remove it?
The two logs where done with i8042.reset. However, without this 
parameter, the behaviour is identical: the keyboard needs the 
unbind/bind trick after the first resume.

Eric

View attachment "i8042-begin-boot-keyboard.dmesg" of type "text/plain" (80974 bytes)