linux-kernel - Re: [PATCH v11 0/3] Exynos 5410 support

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Date:	Tue, 27 May 2014 22:37:48 +0200
From:	Tomasz Figa <tomasz.figa@...il.com>
To:	Tarek Dakhran <t.dakhran@...il.com>,
	Kevin Hilman <khilman@...aro.org>
CC:	Tarek Dakhran <t.dakhran@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Rob Landley <rob@...dley.net>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	Ben Dooks <ben-linux@...ff.org>,
	Tomasz Figa <t.figa@...sung.com>,
	Mike Turquette <mturquette@...aro.org>,
	Vyacheslav Tyrtov <v.tyrtov@...sung.com>,
	Thomas Abraham <thomas.abraham@...aro.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Heiko Stuebner <heiko@...ech.de>,
	Romain Naour <romain.naour@...nwide.fr>,
	Chander Kashyap <chander.kashyap@...aro.org>,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>
Subject: Re: [PATCH v11 0/3] Exynos 5410 support

On 27.05.2014 22:17, Tarek Dakhran wrote:
> Hi,
> 
> On Tue, May 27, 2014 at 9:44 PM, Kevin Hilman <khilman@...aro.org> wrote:
>> Kevin Hilman <khilman@...aro.org> writes:
>>
>>> Tarek Dakhran <t.dakhran@...sung.com> writes:
>>>
>>>> The series of patches represent support of Exynos 5410 SoC
>>>>
>>>> The Exynos 5410 is the first Samsung SoC based on big.LITTLE architecture
>>>>
>>>> Patches add new platform description, support of clock controller and device
>>>> tree for Exynos 5410.
>>>>
>>>> Has been build on Samsung Linux Kernel
>>>>   (branch: for-next, commit: 97eae6c Merge branch 'v3.16-next/multiplatform' into for-next)
>>>>
>>>> Has been tested on: 1) Exynos 5410 reference board (exynos_defconfig)
>>>>                  2) Exynos 5410 reference board (multi_v7_defconfig)
>>>>                  3) Odroid-XU board (exynos_defconfig)
>>>>                  4) Odroid-XU board (multi_v7_defconfig)
>>>
>>> Tested-by: Kevin Hilman <khilman@...aro.org>
>>>
>>> FYI, I boot tested this on an odroid-xu (exynos_defconfig and
>>> multi_v7_defconfig.)
>>
>> Oops, I may have spoke to soon.  There seem to be some problems with
>> multi_v7_defconfig.
>>
>> Applying this series directly on the commit mentioned above and testing,
>> it works just fine using multi_v7_defconfig.
> 
> Thank you for testing.
> 
>> However, if I directly test the current contents of the samsung for-next
>> branch (where this series has been merged) it no longer boots on the
>> odroid-xu.
>> A quick diff shows that there are some other changes to
>> multi_v7_defconfig in the samsung/for-next branch that may be causing
>> problems here.
> 
> Yes. Right you are. There is no ARCH_EXYNOS defined in multi_v7_defconfig
> at current state (branch: for-next commit: ca610da Merge branch
> 'v3.16-next/dt-samsung-3' into for-next).
> So booting kernel on 5410 SoC is not possible with multi_v7_defconfig.
> Please use exynos_defconfig.

I wonder if this patch isn't maybe the missing part:

http://thread.gmane.org/gmane.linux.kernel.samsung-soc/32414

Olof asked Kukjin to separate it from his pull requests, so it can be
applied directly to ARM SoC tree to avoid conflicts.

Best regards,
Tomasz
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