linux-kernel - Re: [PATCH RFC 2/2] ARM: shmobile: armadillo800eva defconfig: Enable REGULATOR_GPIO and LEDS

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Date:	Thu, 24 Apr 2014 15:43:49 +0900
From:	Magnus Damm <magnus.damm@...il.com>
To:	Simon Horman <horms@...ge.net.au>
Cc:	Geert Uytterhoeven <geert+renesas@...der.be>,
	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
	SH-Linux <linux-sh@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC 2/2] ARM: shmobile: armadillo800eva defconfig: Enable
 REGULATOR_GPIO and LEDS_GPIO

On Wed, Apr 23, 2014 at 9:50 AM, Simon Horman <horms@...ge.net.au> wrote:
> On Tue, Apr 22, 2014 at 03:01:07PM +0200, Geert Uytterhoeven wrote:
>> Refresh armadillo800eva_defconfig, and enable missing options for devices
>> in platform data and/or DT:
>>   - REGULATOR_GPIO
>>   - LEDS_GPIO
>
> I would prefer if changes were made in a more incremental patch.
>
> * A patch to enable LEDS_GPIO and REGULATOR_GPIO.
> * Then a cleanup patch, if you really want to do that: but why?
>
>>
>> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
>> ---
>> Do we want SHMOBILE_IOMMU, too? The help text says "If unsure, say N."
>> If yes, is the default SHMOBILE_IOMMU_ADDRSIZE_2048MB OK?
>
> I defer to Magnus on that one.

I think it's best to go with a "N" here. Unless someone can prove to
me that we need it and that it is working!

In general I'd like to begin by integrating IOMMU support for R-Car
Gen2 in a controlled manner and once that is in place I think we can
revisit this older case. At that time hopefully we will be dealing
with the multiplatform defconfig for r8a7740 and Armadillo.

Cheers,

/ magnus
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