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

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Date:   Sat, 6 May 2017 10:54:20 +0200
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Hugues Fruchet <hugues.fruchet@...com>,
        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, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...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 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"