linux-kernel - Re: [PATCH 00/18] staging: comedi: amplc

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Date:	Mon, 4 Aug 2014 11:57:55 +0100
From:	Ian Abbott <abbotti@....co.uk>
To:	Hartley Sweeten <HartleyS@...ionengravers.com>,
	"driverdev-devel@...uxdriverproject.org" 
	<driverdev-devel@...uxdriverproject.org>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 00/18] staging: comedi: amplc_pci224: remove legacy stuff

On 2014-07-31 21:28, Hartley Sweeten wrote:
> On Thursday, July 31, 2014 6:48 AM, Ian Abbott wrote:
>> The "amplc_pci224" driver retains a "legacy" attach mechanism via the
>> `COMEDI_DEVCONFIG` ioctl and the comedi driver "attach" hook, but
>> usually attaches PCI devices automatically via the comedi driver's
>> "auto_attach" hook.  The legacy mechanism is only retained so that
>> options can be passed via the ioctl to indicate how some hardware
>> jumpers are set on the boards, which is used to set up the range tables.
>> That's no use if the PCI device is attached automatically as the range
>> tables will be set up according to the factory default jumper positions.
>>
>> Change the range tables to include all possible ranges, regardless of
>> jumper positions.  Then there is no need to have options to control
>> setting up the range tables and the "legacy" attach mechanism can be
>> removed.
>>
>> Also, tidy the code up a bit.
>
> Looks good.
>
> Reviewed-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
>
> Side note:
>
> Now that the manual attach has been removed, you could also remove
> the board information from the comedi_driver declaration.

Good point.  I can do that as a follow-up patch.  It only affects the 
output of /proc/comedi I think.

-- 
-=( Ian Abbott @ MEV Ltd.    E-mail: <abbotti@....co.uk>        )=-
-=( Tel: +44 (0)161 477 1898   FAX: +44 (0)161 718 3587         )=-
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