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

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Message-Id: <928C125D-D36B-47C9-A549-3EE502C9EC73@gmail.com>
Date:	Tue, 13 Oct 2009 19:05:05 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Éric Piel <eric.piel@...mplin-utc.net>
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

On Tue, Oct 13, 2009 at 11:52:19AM +0200, Éric Piel wrote:
> Op 12-10-09 17:48, Dmitry Torokhov schreef:
>> On Mon, Oct 12, 2009 at 01:46:17PM +0200, Éric Piel wrote:
>>>> Eric, do you still need to fiddle with i8042 to get your keyboard  
>>>> working with
>>>> 2.6.32-rc3? We need to make sure that resube works without users  
>>>> needing to
>>>> mess with bind/unbind.
>>> Yes, the keyboard doesn't work after the first resume from ram (the
>>> later resumes do work). I haven't tried any special option to the  
>>> i8042
>>> driver. This is on a HP 2510, in 64 bits.
>>
>> Could you please try and let me know if unloading at suspend and
>> reloading after resume atkbd and/or psmouse drivers and leaving i8042
>> alone "fixes" the issue?
>>
> Unloading the modules before suspend and reloading them after works
> around the issue, indeed.
>

Do both of them need to be reloaded? Or only one (my guess psmouse) is
enough. Hmm, this is HP laptop so it most likely has Synaptics touchpad.
I wonder what happens if you force it to bare PS/2 protocol (or maybe
Intellimouse)... Try adding "option psmouse proto=imps" and
"option psmouse proto=bare" and suspend/resume.

-- 
Dmitry
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