linux-kernel - Re: [PATCH 0/3] hid: Enable report fixup on rebind

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Message-ID: <20120430120641.GA3111@polaris.bitmath.org>
Date:	Mon, 30 Apr 2012 14:06:41 +0200
From:	"Henrik Rydberg" <rydberg@...omail.se>
To:	Nikolai Kondrashov <spbnick@...il.com>
Cc:	Jiri Kosina <jkosina@...e.cz>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] hid: Enable report fixup on rebind

Hi Nikolai,

> >>The first two patches are bug fixes found in the process. I am hoping
> >>for some test feedback on those. The third patch is the main one.
> 
> I've tested the last patch and it seems to work as required. I did a series
> of generic<->specific driver rebindings both ways in a loop and it works.
> 
> So,
> Tested-by: Nikolai Kondrashov <spbnick@...il.com>

Great, thanks!

> I'm not sure, though, if one thing works as it should: the quirks are not
> reset when changing the driver. So, quirks set by one driver may affect
> behavior of another. I don't understand full quirks usage and ownership yet,
> so can't argue if this is right or wrong.

The common quirks are a device property, so this is fine. There are
some drivers with quirks too, but they handle those themselves.

> Regarding the code, could it be the time to fix naming of report
> descriptor-handling functions to improve distinction from report-handling
> ones? I'm attaching a patch applying on top of Henrik's changes which should
> illustrate the proposal.

The changes you propose force changes to out-of-tree-drivers, without
any obvious benefit. Also, there is already a large set of patches on
review based on this one. So although I agree that some renames and
movements could clarify things, the content and timing will need some
more thought.

Thanks,
Henrik
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