linux-kernel - Re: [PATCH 4/5] HID: autoload hid-multitouch as needed

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Message-ID: <alpine.LNX.2.00.1203072234550.29034@pobox.suse.cz>
Date:	Wed, 7 Mar 2012 22:36:41 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	"benjamin.tissoires" <benjamin.tissoires@...il.com>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Henrik Rydberg <rydberg@...omail.se>,
	Stephane Chatty <chatty@...c.fr>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] HID: autoload hid-multitouch as needed

On Tue, 6 Mar 2012, benjamin.tissoires wrote:

> From: Benjamin Tissoires <benjamin.tissoires@...c.fr>
> 
> The code is inspired from the one present in the bttv module.
> 
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@...c.fr>
> ---
> 
> As I mentioned in the mail 0/5, I'd really like to have your opinion on this
> one. I copied the code from bttv, but it forces us to change hid_device which
> is not very good for ABI changes reasons.

Haven't closely inspected the patch yet, I will comment on it later. But 
generally, I wouldn't be worried about changing hid_device per se ... it's 
not really an ABI, it's not exported to userspace.

It's internal kernel-ABI, yes. But we are free to change that in any way 
we wish.

-- 
Jiri Kosina
SUSE Labs
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