linux-kernel - Re: [PATCH] dac960: switch to seq

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Message-ID: <20090902113144.GB8429@x200.localdomain>
Date:	Wed, 2 Sep 2009 15:31:44 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dac960: switch to seq_file

On Tue, Sep 01, 2009 at 04:27:35PM -0700, Andrew Morton wrote:
> On Fri, 28 Aug 2009 23:58:14 +0400
> Alexey Dobriyan <adobriyan@...il.com> wrote:
> 
> >  drivers/block/DAC960.c |  156 ++++++++++++++++++++++---------------------------
> 
> hm, that's a large change to a hard-to-change driver.
> 
> Is it correct?

Nobody knows :-)

In fact I'm pretty sure conversion is correct:
0) ->data is passed as m->private,
1) DAC960_ProcReadStatus() -- print "OK" or "ALERT" if one controller is in alert mode,
2) DAC960_ProcReadInitialStatus() -- print ->CombinedStatusBuffer content, lenght is in ->CurrentStatusLength
3) DAC960_ProcReadUserCommand() -- (2) applied to ->UserStatusBuffer

	"%.*s" does exactly that.

4) DAC960_ProcWriteUserCommand() -- signature change to ->write method, controller is in PDE(...)->data
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