linux-kernel - Re: [PATCH v5 2/8] [media] stm32-dcmi: STM32 DCMI camera interface driver

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Date:   Tue, 9 May 2017 07:36:34 +0000
From:   Hugues FRUCHET <hugues.fruchet@...com>
To:     Hans Verkuil <hverkuil@...all.nl>,
        Rob Herring <robh+dt@...nel.org>,
        "Mark Rutland" <mark.rutland@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
CC:     "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Yannick FERTRE <yannick.fertre@...com>
Subject: Re: [PATCH v5 2/8] [media] stm32-dcmi: STM32 DCMI camera interface
 driver

Hi Hans,
It's OK, feel free to change.
BR
Hugues.


On 05/06/2017 10:54 AM, Hans Verkuil wrote:
> Hi Hugues,
>
> On 05/05/2017 05:31 PM, Hugues Fruchet wrote:
>> This V4L2 subdev driver enables Digital Camera Memory Interface (DCMI)
>> of STMicroelectronics STM32 SoC series.
>>
>> Reviewed-by: Hans Verkuil <hans.verkuil@...co.com>
>> Signed-off-by: Yannick Fertre <yannick.fertre@...com>
>> Signed-off-by: Hugues Fruchet <hugues.fruchet@...com>
>> ---
>>  drivers/media/platform/Kconfig            |   12 +
>>  drivers/media/platform/Makefile           |    2 +
>>  drivers/media/platform/stm32/Makefile     |    1 +
>>  drivers/media/platform/stm32/stm32-dcmi.c | 1403 +++++++++++++++++++++++++++++
>>  4 files changed, 1418 insertions(+)
>>  create mode 100644 drivers/media/platform/stm32/Makefile
>>  create mode 100644 drivers/media/platform/stm32/stm32-dcmi.c
>>
>> diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
>> index ac026ee..de6e18b 100644
>> --- a/drivers/media/platform/Kconfig
>> +++ b/drivers/media/platform/Kconfig
>> @@ -114,6 +114,18 @@ config VIDEO_S3C_CAMIF
>>  	  To compile this driver as a module, choose M here: the module
>>  	  will be called s3c-camif.
>>
>> +config VIDEO_STM32_DCMI
>> +	tristate "Digital Camera Memory Interface (DCMI) support"
>
> Is it OK with you if I change this to:
>
> 	tristate "STM32 Digital Camera Memory Interface (DCMI) support"
>
> Right now the text gives no indication that this driver is for an STM32 platform.
>
> No need to spin a new patch, just let me know you're OK with it and I'll make
> the change.
>
> Regards,
>
> 	Hans
>
>> +	depends on VIDEO_V4L2 && OF && HAS_DMA
>> +	depends on ARCH_STM32 || COMPILE_TEST
>> +	select VIDEOBUF2_DMA_CONTIG
>> +	---help---
>> +	  This module makes the STM32 Digital Camera Memory Interface (DCMI)
>> +	  available as a v4l2 device.
>> +
>> +	  To compile this driver as a module, choose M here: the module
>> +	  will be called stm32-dcmi.
>> +
>>  source "drivers/media/platform/soc_camera/Kconfig"
>>  source "drivers/media/platform/exynos4-is/Kconfig"
>>  source "drivers/media/platform/am437x/Kconfig"