netdev - Re: [PATCH] phylib: add mdio-gpio bus driver (v3)

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Date:	Wed, 29 Oct 2008 07:24:04 -0600
From:	"Grant Likely" <grant.likely@...retlab.ca>
To:	"Paulius Zaleckas" <paulius.zaleckas@...tonika.lt>
Cc:	"Mike Frysinger" <vapier.adi@...il.com>, netdev@...r.kernel.org,
	linux-arm-kernel@...ts.arm.linux.org.uk,
	linux-embedded@...r.kernel.org
Subject: Re: [PATCH] phylib: add mdio-gpio bus driver (v3)

On Wed, Oct 29, 2008 at 2:44 AM, Paulius Zaleckas
<paulius.zaleckas@...tonika.lt> wrote:
> Grant Likely wrote:
>> On Tue, Oct 28, 2008 at 5:31 AM, Paulius Zaleckas
>> <paulius.zaleckas@...tonika.lt> wrote:
>>> Mike Frysinger wrote:
>>>> On Tue, Oct 28, 2008 at 06:35, Paulius Zaleckas wrote:
>>>>> +config MDIO_GPIO
>>>>> +       tristate "Support for GPIO bitbanged MDIO buses"
>>>>>  config MDIO_OF_GPIO
>>>>>        tristate "Support for GPIO lib-based bitbanged MDIO buses"
>>>> seems to me these drivers have the same description ...
>>> Yes... but it is MDIO_OF_GPIO description that needs changing...
>>> Should I make patch for it?
>>
>> Wait a minute....  This is the same driver and it's just been
>> duplicated.  NAK.  Please don't do this.  Instead add a platform bus
>> binding to the existing driver.  Most of the code can be shared.
>
> It is very similar. If highly #ifdef'ed driver is OK then I can merge
> these driver to single one, but mdio-ofgpio driver name will have to
> change to mdio-gpio. OK?

Absolutely, change the name.  Also, I don't think you'll need as many
#ifdefs as you fear you do.  :-)  Mostly you'll need two #ifdef
sections; one for the of_platform binding and one for the platform
binding.  drivers/video/xilinxfb.c is a good example of how to do it.

g.

-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
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