linux-kernel - Re: [PATCH 5/5] mfd: tps6586x: remove gpio support from core driver

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Message-ID: <5003B996.7070702@nvidia.com>
Date:	Mon, 16 Jul 2012 12:19:58 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	Linus Walleij <linus.walleij@...aro.org>
CC:	"grant.likely@...retlab.ca" <grant.likely@...retlab.ca>,
	"linus.walleij@...ricsson.com" <linus.walleij@...ricsson.com>,
	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Stephen Warren <swarren@...dia.com>,
	"broonie@...nsource.wolfsonmicro.com" 
	<broonie@...nsource.wolfsonmicro.com>
Subject: Re: [PATCH 5/5] mfd: tps6586x: remove gpio support from core driver

On Sunday 15 July 2012 03:42 AM, Linus Walleij wrote:
> On Fri, Jul 13, 2012 at 12:39 PM, Laxman Dewangan<ldewangan@...dia.com>  wrote:
>
>> The GPIO functionality of device tps6586x is added through
>> platform gpio driver and it can be register as the mfd sub
>> device and hence removing the duplicates code which register
>> the gpio functionality from core driver.
>>
>> Signed-off-by: Laxman Dewangan<ldewangan@...dia.com>
> The only thing I worry about is if old defconfig files are now
> missing this config option and then this patch becomes an
> unbisectable showstopper for them because they don't get
> this driver by default anymore.
>
> So please make sure you've grepped around and checked
> that of some platforms defconfig was previously selecting
> the core driver, make sure it selects this driver too for
> the moment, it's better if they later deactivate it
> if they don't need it.

Grep shows that only arm based platform tegra_defconfig is using this 
device.
I have added the change in tegra_defconfig and will send as part of this 
series.
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