linux-kernel - Re: [PATCH v2] ARM: exynos_defconfig: Enable Samsung media platform drivers as modules

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Date:	Fri, 25 Mar 2016 00:15:31 -0300
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	linux-kernel@...r.kernel.org
Cc:	linux-samsung-soc@...r.kernel.org,
	Tobias Jakobi <tjakobi@...h.uni-bielefeld.de>,
	Kukjin Kim <kgene@...nel.org>
Subject: Re: [PATCH v2] ARM: exynos_defconfig: Enable Samsung media platform
 drivers as modules

Hello Krzysztof,

On 03/23/2016 10:00 PM, Krzysztof Kozlowski wrote:
> On 24.03.2016 09:26, Javier Martinez Canillas wrote:
>> There are a bunch of media platform drivers under drivers/media/platform/
>> that are for Samsung SoCs but are not being built with exynos_defconfig.
>>
>> This patch enables them as a module to improve build coverage for these
>> drivers and also to allow people use them with proper hardware if modules
>> are installed. The S5P MFC driver wasn't enabled since it fails to probe.
>>
>> Only the boolean Kconfig symbols are enabled as built-in, since drivers
>> are not critical and also to keep the kernel binary image size as small
>> as possible.
>>
>> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
>>
>> ---
>>
>> Changes in v2:
>> - Remove S5P G2D and GSC symbols since overlaps with Exynos DRM functionality.
>>   Suggested by Tobias Jakobi
>>
>>  arch/arm/configs/exynos_defconfig | 10 ++++++++++
>>  1 file changed, 10 insertions(+)
> 
> Looks good.
> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
>

Thanks for the review.
 
> 
> How about doing the same for multi_v7?
>

I didn't consider multi_v7 because media drivers aren't necessary for booting
the boards and so it could increase build times for not real benefits in most
machines. But I can enable it in multi_v7 as a follow-up if you think that it
makes sense there too.
 
> 
> Best regards,
> 
> Krzysztof
> 

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America