linux-kernel - Re: [PATCH 2/7] Input: wacom - Get features from driver info

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Message-Id: <201001071139.50766.dmitry.torokhov@gmail.com>
Date:	Thu, 7 Jan 2010 11:39:50 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Bastian Blank <waldi@...ian.org>
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Ping Cheng <pingc@...om.com>
Subject: Re: [PATCH 2/7] Input: wacom - Get features from driver info

On Thursday 07 January 2010 11:21:05 am Bastian Blank wrote:
> On Thu, Jan 07, 2010 at 11:06:30AM -0800, Dmitry Torokhov wrote:
> > On Thursday 07 January 2010 10:29:36 am Bastian Blank wrote:
> > > +	struct wacom_features *features = (void *)id->driver_info;
> >
> > What is this cast for?
> 
> driver_info is an integer.
> 
> > > +	if (!features)
> > > +		features = get_wacom_feature(id);
> >
> > In which cases driver would not have driver_info set up?
> 
> At this stage in the patchset, non have. Later the driver defined ids
> have, the user defined have not.
> 

Ah, OK.  Frankly I would fold patches 2-7 into one since it is one logical 
change. While you are at it, any chance of constifying wacom_features?

Thanks.

-- 
Dmitry
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